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The rules should oblige the seller to give the purchaser an operating instrucion of Dell Inspiron 20 3048, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Dell Inspiron 20 3048 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Dell Inspiron 20 3048. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Dell Inspiron 20 3048 should contain:
- informations concerning technical data of Dell Inspiron 20 3048
- name of the manufacturer and a year of construction of the Dell Inspiron 20 3048 item
- rules of operation, control and maintenance of the Dell Inspiron 20 3048 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Dell Inspiron 20 3048 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Dell Inspiron 20 3048, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dell service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Dell Inspiron 20 3048.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dell Inspiron 20 3048 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Inspiron 20 Owner's Manual Computer Model: Inspiron 20 Model 3048 Regulatory Model: W09B Regulatory Type: W09B001[...]
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Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 201[...]
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Contents Before Working Inside Your Computer .................................... 9 Before You Begin .............................................................................................. 9 Safety Instructions ............................................................................................. 9 Recommended Tools ..................[...]
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Page 4
Replacing the Hard Drive ........................................................... 25 Procedure .........................................................................................................25 Post-requisites ................................................................................................. 25 Removing the Optical Drive [...]
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Replacing the Converter Board ................................................ 40 Procedure ........................................................................................................ 40 Post-requisites ................................................................................................. 40 Removing the System-Board Shield [...]
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Replacing the Speaker Cover .................................................... 49 Procedure ........................................................................................................ 49 Post-requisites ................................................................................................. 49 Removing the Microphone .......[...]
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Replacing the Heat Sink .............................................................. 61 Procedure ......................................................................................................... 61 Post-requisites ................................................................................................. 61 Removing the Coin-Cell B[...]
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Replacing the System Board ...................................................... 74 Procedure .........................................................................................................74 Post-requisites ................................................................................................. 74 Removing the Camera ..........[...]
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Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. Before You Begin 1 Save and close all open files and exit all open applications. 2 Shut down your computer. – Windows 8: Move your mouse pointer to the upper-right or lower- right corner of the [...]
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WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replac[...]
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• Philips screwdriver • Flat-head screwdriver • Plastic scribe 11[...]
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After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, [...]
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Technical Overview WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance h[...]
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System Board Components 1 fan-cable connector (FAN_CPU) 2 processor (CPU1) 3 power-adapter port cable connector (ATX2) 4 converter-board cable connector (CONVERTER) 5 hard-drive and optical-drive power cable connector (SATAP1) 6 optical-drive cable connector (SATA_ODD) 7 hard-drive cable connector (SATA_HDD) 8 control-buttons board cable connector [...]
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9 touch-control board cable connector (optional) (TOUCH) 10 speaker-cable connector (SPEAKER) 11 memory-module slot (DIMM1) 12 memory-module slot (DIMM2) 13 camera-cable connector (WEBCAM) 14 display-cable connector (LVDS) 15 wireless-card slot (NGFF_WIFI) 16 coin-cell battery (BATTERY) 15[...]
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Page 16
Removing the Stand Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Com[...]
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5 Pivot the stand assembly upward and slide it away from the computer. 1 screws (4) 2 back cover 3 stand assembly To remove either the stand base or stand riser from the stand assembly, follow the steps below: 6 Lift the screw handle on the stand base. 7 Using the screw handle, loosen the captive thumbscrew that secures the stand base to the stand [...]
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8 Slide the stand base off the stand riser. 1 stand riser 2 screw handle 3 captive thumbscrew 4 stand base 18[...]
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Replacing the Stand Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Co[...]
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Removing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complia[...]
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Page 21
Replacing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compli[...]
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Page 22
Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complia[...]
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3 Disconnect the hard-drive and optical-drive power and data cable from the hard-drive assembly. 1 hard-drive and optical-drive power and data cable 2 hard-drive assembly 3 tab 4 display-panel base 4 Pull the sides of the hard-drive bracket to release the pins securing the hard drive. 23[...]
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5 Lift the hard drive off the hard-drive bracket. 1 hard drive 2 hard-drive bracket 3 pins (4) 24[...]
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Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compli[...]
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Page 26
Removing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Comp[...]
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3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly. 4 Remove the screws that secure the optical-drive bracket to the optical drive and remove the optical-drive bracket from the optical drive. 1 optical-drive bezel 2 optical drive 3 optical-drive bracket 4 screws (2) 27[...]
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Replacing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Com[...]
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Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory C[...]
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Procedure 1 Using the pull tab, slide the memory-module shield and remove it from the system-board shield. 1 pull tab 2 memory-module shield 3 system-board shield 2 Using your fingertips, pry apart the securing clips on each end of the memory-module slot until the memory module pops up. 1 securing clips (2) 2 memory-module slot 30[...]
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3 Remove the memory module from the memory-module slot. 1 memory module 2 memory-module slot 31[...]
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Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory [...]
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Procedure NOTE: If you are installing only one memory module, insert the memory module in the memory-module slot marked as DIMM1. 1 Align the notch on the memory module with the tab on the memory- module slot. 2 Insert the memory module into the memory-module slot, and press the memory module down until it clicks into place. NOTE: If you do not hea[...]
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1 memory module 3 Slide the tabs on the memory-module shield under the tabs on the system-board shield until the memory-module shield is fully secured. Post-requisites 1 Replace the back cover . 2 Follow the procedure from step 3 to step 5 in “Replacing the Stand Assembly ”. 34[...]
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Removing the Control- Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regula[...]
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3 Lift the control-buttons board away from the display bezel. 1 control-buttons board 2 Mylar sheet 3 plastic scribe 4 control-buttons board cable 36[...]
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Replacing the Control-Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regula[...]
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Page 38
Removing the Converter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Co[...]
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3 Lift the converter board off the display-panel base. 1 converter-board cables (2) 2 converter board 3 screws (2) 39[...]
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Replacing the Converter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory C[...]
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Page 41
Removing the System-Board Shield WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulator[...]
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Page 42
Replacing the System-Board Shield WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulato[...]
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Removing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance[...]
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5 Lift the antennas along with the cables off the display-panel base. 1 camera cable 2 routing guide 3 wireless card 4 antenna cables (2) 5 antennas (2) 44[...]
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Replacing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complianc[...]
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Page 46
Removing the VESA-Mount Bracket WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory[...]
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Replacing the VESA-Mount Bracket WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulator[...]
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Page 48
Removing the Speaker Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Comp[...]
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Page 49
Replacing the Speaker Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Com[...]
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Removing the Microphone WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complia[...]
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4 Remove the microphone-module bracket off the microphone module. 1 screws (2) 2 microphone-module bracket 3 microphone cable 4 microphone module 51[...]
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Replacing the Microphone WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compli[...]
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Removing the Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory[...]
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4 Lift the power-adapter port along with the cable off the display-panel base. 1 power-adapter port cable 2 power-adapter port 3 display-panel base 4 screw 54[...]
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Replacing the Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulator[...]
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Removing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Comp[...]
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3 Slide and remove the wireless card from the wireless-card slot on the system board. 1 antenna cables (2) 2 screw 3 wireless card 4 wireless-card slot 57[...]
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Replacing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Com[...]
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Removing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complian[...]
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3 Lift the heat sink off the system board. 1 screw 2 heat sink 3 captive screws (7) 4 system board 60[...]
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Replacing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complia[...]
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Page 62
Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory [...]
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3 Using a plastic scribe, gently pry out the coin-cell battery from the battery socket on the system board. 1 tab 2 protective cover 3 plastic scribe 4 coin-cell battery 63[...]
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Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory[...]
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Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complianc[...]
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4 Lift the speakers along with the cable off the display bezel. 1 speaker cable 2 screws (4) 3 speakers (2) 4 display bezel 66[...]
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Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Complian[...]
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Page 68
Removing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance hom[...]
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3 Lift the fan along with its cable off the display-panel base. 1 fan 2 screws (2) 3 fan cable 69[...]
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Replacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance ho[...]
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Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compl[...]
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Procedure 1 Lift the connector latch and disconnect the display cable from the system board. 2 Disconnect the fan cable, power-adapter port cable, converter-board cable, hard-drive and optical-drive power cable, optical-drive cable, hard-drive cable, control-buttons board cable, touch-control board cable (optional), speaker cable, and camera cable [...]
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11 touch-control board cable (optional) 12 speaker cable 3 Remove the screws that secure the system board to the display-panel base. 4 Lift the system board at an angle and release the ports on the system board from the tab on the display-panel base. 1 screws (5) 2 tab 3 system board 73[...]
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Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Comp[...]
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Removing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance [...]
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4 Disconnect the converter-board cable from the display panel. 1 routing guide 2 camera cable 3 system board 4 speaker cable 5 control-buttons board cable 6 converter-board cable 5 Remove the screws that secure the display-panel base to the display bezel. 76[...]
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6 Push and release the tabs that secure the display-panel base to the display bezel. 1 tabs (3) 2 screws (16) 3 display bezel 4 display-panel base 7 Note the touch-control board cable (optional) routing and display cable routing. 8 Disconnect the touch-control board cable (optional) from the system board. 9 Lift the connector latch and disconnect t[...]
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10 Release the touch-control board cable (optional) and display cable through the slots on the display-panel base. 1 display cable 2 connector latch 3 touch-control board cable (optional) 4 display-panel base 78[...]
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11 Lift the display-panel base off the display panel and keep it on a flat and clean surface. 1 display-panel base 12 Remove the screws that secure the camera assembly to the display bezel. 79[...]
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13 Carefully lift the camera assembly and turn it over. 1 display bezel 2 camera assembly 3 screws (2) 14 Disconnect the camera cable from the camera assembly. 15 Remove the screw that secures the camera to the camera bracket. 16 Lift the camera at an angle and remove it from under the tab on the camera bracket. 1 screw 2 camera bracket 3 camera 4 [...]
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Replacing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer . For more safety best practices, see the Regulatory Compliance[...]
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Page 82
Post-requisites 1 Replace the VESA-mount bracket . 2 Replace the system-board shield . 3 Follow the procedure from step 4 and step 5 in “Replacing the Optical Drive ”. 4 Replace the back cover . 5 Follow the procedure from step 3 to step 5 in “Replacing the Stand Assembly ”. 82[...]
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Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support . 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit . If you do not have your computer's Service Tag[...]
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Getting Help and Contacting Dell Self-Help Resources You can get information and help on Dell products and services using these online self-help resources: Self-Help Information Self-Help Options Accessing Windows Help Windows 8 — Open the Search charm, type Help and Support in the search box and press <Enter> . Windows 7 — Click Start ?[...]
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NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. 85[...]