HP (Hewlett-Packard) D1A51UTABA manuale d’uso

HP Pavilion 14 Chromebook Maintenance and Service Guide SUMMARY CAUTION: Your computer has user-replaceable parts and non-use r-replaceable par ts that should only be replaced by an authorized service provider . Accessing so me internal parts can damage the computer or void yo ur warranty. Go to Removal and replacement proc edures on page 15 for de[...]

© Copyright 2013 Hew lett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Google is a trademark of Google Inc. Intel and Celeron are trademarks of Intel Corporation in the U.S. and other countries. SD Logo is a trademark of its proprietor. The information contain[...]

Safety warning notice WARNING! To reduce the possibility of heat-related in juries or of ove rheating th e device, do not place the device dire ctly on your lap or obstruct th e device air vents. Use th e device only on a hard, flat surface. Do not allow anot her hard surface, such as an adjoinin g optional print er, or a soft surface, such as pill[...]

iv Safety warning no tice[...]

Table of contents 1 Product description ............ ......... ........... ......... .......... ......... ............ ......... ........... ........... . .............. ......... ......... 1 2 External component id enti fication ...... ......... .......... ......... .......... ........ .......... ........ ........... ........ . .............. ....[...]

Hard d rive ........ ........... ......... ............ ......... ............ ............ .......... ............ .......... ........... ... ... 32 USB board/Audio jack ............. ............ ............. ............ ............... .......... ............ ............... .. 3 4 WLAN module ............. ............ ............ ..........[...]

1 Product description Category Description Product Name HP Pavilion 14 Chromebook Processor Intel® Celeron® 847 (1.1GH z, 1333 MHz/2 MB L3 Cache, dual core, controllable TDP, 8 W-17 W) Chipset Intel NM70 Express chipset Graphics Intel HD Graphics Supports HD Decode, DX11, and H DMI Displa y panel 35.6 cm (14.0 in), high-definition (HD), white lig[...]

Category Description Two WLAN antennas built into display assembly Support for the following WLAN forma ts: ● Atheros AR9462 802.11 a/b/g/n 2x2 Bluetooth® 4.0 combo adapter, HMC External media card HP Multi-Format Digital Media Reader slot with push-push technology, suppor ting the following digital card formats: ● Secure Digita l (SD) Memory [...]

2 External component identification Display Component Description (1) WLAN antennas (2)* Send and receive wirele ss signals to communicate with wireless local area networks (WLANs). (2) Webcam light On: The webcam is in use. (3) HP TrueVision HD Webcam Records video, capt ures still ph otographs, and allows you to video conference and chat onli ne [...]

Top TouchPad Component Description (1) To uchPad zone Moves the on-screen pointer and selects or activates items on the s creen. (2) Le ft TouchPad button Functions like the left button on an e xternal mouse. (3) R ight TouchPad button Functions like the right button on a n external mouse. 4 Chapter 2 External component identification[...]

Lights, speakers, and buttons Component Description (1) Power light ● White: The computer is o n. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The comp uter shuts off power to the display and other unneeded components. ● Off: The computer is off. (2) Power button ● When the computer is off, press the[...]

Left side Component Description (1) Security cable slot Attaches an opti onal secur ity cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen. (2) Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool i[...]

Right side Component Description (1) Power light ● White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The co mputer shuts off power to the display and other unneeded components. ● Off: The computer is off. (2) Drive light ● Blinking white: The drive is being accessed. (3) Digital[...]

Bottom Component Description (1) Battery bay Holds the battery. (2) Battery lock Unlocks and locks the battery. (3) Vents (4) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. [...]

3 Illustrated parts catalog Service label When ordering pa rts or requestin g information, pr ovide the comput er serial number an d model description provided on the service la bel. The servic e label is lo cated on the bottom of the computer. NOTE: Your label may look slight ly different from the illust ration in this section. Item Description Fu[...]

Computer major components Item Component Spare part number (1) 35.6 cm (14.0 in), high d efinition (HD), WLED, SVA BrightView flat display assembly. The display assembly is spared at the subcomponent level only. NOTE: For a full list of display spare parts, see Display assembly subcomponents on page 12 . (2) Keyboard , black finish (incl udes keybo[...]

Item Component Spare part number ● For use in Germany 708135-041 ● For use Internationally 708135-B31 ● For use in the Nordic Region 708135-DH1 ● For use in Latin America 708135-161 ● For use in the United Kingdom 708135-031 ● For use in the United States 708135-001 (3) Top cover , sparkling black (inc ludes Tou chPad) 708136-001 (4) Po[...]

Display assembly subcomponents Item Component Spare part number (1) Displ ay bezel 697907-001 (2) Displ ay Hinge Kit (includes left and right displa y hinges and brackets) 697908-001 (3) 35.6 cm (14.0 in), HD, WLED , SVA BrightView flat display panel 698523-001 (4) Webcam/microphone module 697903-001 (5) Ante nna Kit (includes left and right wirele[...]

Componen t Spare part number ● For use in Australia 490371-011 ● For use in Denmark 490371-081 ● For use in Europe 490371-021 ● For use in India 490371-D61 ● For use in North America 490371-001 ● For use in the United Kingdom and Singapore 490371-031 Screw Kit (not illustrated) 697912-001 Thermal Material Kit 680571-001 Sequential part [...]

Spare part number Description 697911-001 Display Panel Cable Kit (includes display panel cable and w ebcam/microphone module cable) 697912-001 Screw Kit 697913-001 Antenna Kit (includes left and right wireless antenna ca bles and transceivers) 697914-001 Fan 697915-001 Heat sink (includes replacement thermal material) 697917-001 RTC battery 697918-[...]

4 Removal and replacement procedures CAUTION: The user-r eplaceable parts for this computer ar e: AC adapter Battery Keyboard For all parts that are not user-replaceable , only HP authorized service providers should perform the removal and replaceme nt procedures describ ed here. Accessin g the internal pa rt could damage the computer or void the w[...]

Drive handling CAUTION: Drives are fragile components that must be handle d with care. To prevent damage to the computer, damage to a d rive, or loss of informa tion, observe these precautio ns: Before removing or inserting a hard dri ve, turn off the computer. Before hand ling a drive, be sure that you are disch a rged of static electricit y. Whil[...]

Typical electrostatic voltage levels Relative hum idity Event 10% 40% 55% Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor 12,000 V 5,000 V 3,000 V Motions of bench worker 6,000 V 800 V 400 V Removing DIPS from plastic tube 2,000 V 700 V 400 V Removing DIPS from vinyl tray 11,500 V 4,000 V 2,000 V Removing DIPS from Styrof[...]

● Handle ESD-sensitive componen ts, parts, and assemblies b y the case or PCM lamin ate. Handle these items only at static-free worksta tions. ● Avoid contact with pins, lea ds, or circuitry. ● Turn off power an d input signals be fore inserting or remo ving connectors or test equipment . Equipment guidelines Grounding equi pment must include[...]

Component replacement procedures This chapter provides removal an d replacement procedures. There are a numbe r of screws that must be re moved, replaced, or l oosened when servicing the computer. Make special note of each screw and screw lock size and location during removal and replacement. Service label When ordering pa rts or requestin g inform[...]

Battery Description Spare part number 4 cell, 37 Whr, 2.55 Ah Li-ion battery 695192-001 Before disa ssembling the compu ter, follow these steps: 1. Shut down the computer. 2. Disconnect all ext ernal devices connected to the computer. 3. Disconnect th e power from the comp uter by firs t unplugging the power cord from the AC outlet and then unpl ug[...]

2. Reset th e batter y release l ock (2) to the locked position. Computer feet Description Spare part number Rubber Feet Kit 697906-001 The computer feet a re adhesive-backe d rubber pads. There are 5 rubber feet that att ach to the base enclosure in the locations illustrated below. Component replacement procedures 21[...]

Display panel Description Spare part number Display bezel 697907-001 35.6 cm (14.0 in), HD, WLED, SVA BrightView flat display panel 698523-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the display panel , follow these steps: 1. Shut down the computer. 2. Disconnect[...]

3. Remove the display bezel (4) . 4. Remove the four Phillips scr ews for the display panel. NOTE: Support the displa y panel as you lean the panel forward. 5. Move the panel toward the keyboard (1) . 6. Release the adhesive supp ort strip (2) that secures th e display panel cable connecto r to the display panel. Component replacement procedures 23[...]

7. Disconnect th e display panel cab le (3) from the di splay panel, and then remo ve the panel (4) . Reverse this procedure to rep lace the panel. Keyboard NOTE: The keyboard spare part kit inclu des a keyboard cable. Description Spare part nu mber Black keyboard: ● For use in France 708135-051 ● For use in Germany 708135-041 ● For use Inter[...]

3. Disconnect th e power from the comp uter by firs t unplugging the power cord from the AC outlet and then unpl ugging the AC adap ter from the compute r. 4. Remove the batt ery (see Battery on page 20 ). Remove the keyboard: 1. Remove the two Phillips screws that se cure the keyboard to the computer. Component replacement procedures 25[...]

2. Turn the compute r right-side up wi th the front to ward you. Op en the displa y and stand the computer on its ri ght side. Insert a thin to ol through the keyboard a ccess hole. (The keyboard icon indicates the keyboa rd access hole.) Push firml y on the bottom of th e keyboard until it disengages from the compute r. 3. Turn the compute r right[...]

4. Gently slide your finge r along the top edge of th e keyboard to release th e keyboard clips. Lift up on the rear of the keyboard. 5. Tilt the keyboard forward (1) onto the palm rest. Release the zero insertion force (ZIF) connecto r (2) to which the keybo ard cable is attached, and then disconnect the keyb oard cable (3) from the system board. [...]

Reverse this procedure to insta ll the keyboard. Top cover NOTE: The top cover spare pa rt kit includes the TouchPa d support, TouchPad board and TouchPad cabl e. Description Spare part number Sparkling black top c over 708136-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before r[...]

2. Disconnect th e power butto n cable (1) and the TouchPad cable (2) . 3. Close the display and turn the computer upside down. 4. Remove the eight Phillip s screws from the bott om of the computer. 5. Turn the computer over and open th e display. Component replacement procedures 29[...]

6. Gently lift aroun d the edges of the top cover (1) and lift to remove the top cover (2) . When replacing the top cover, be sure that the following co mponents are remo ved from the defective top cover and installed on the replacemen t top cover: ● Power button board and cable (see Power b utton board on pag e 30 ). Reverse this procedure to in[...]

Remove the powe r button board: 1. Turn the top cover upside down, with th e front toward you . 2. Remove the Phillips screw (1) and tape that secure the powe r button board to th e top cover. 3. Release the clips, lift the power button boa rd (2) , and carefully slide the power button cable out from the guides (3) to remove the po wer button bo ar[...]

Hard dr ive NOTE: The hard drive spare part kit do es not include t he hard drive cable , or hard drive bra cket and screws. Description Spare part number 9.5 mm (0.37 in) × 6.35 cm (2.50 in) , 320 GB, 5400 rpm, SATA 622643-005 7.0 mm (0.28 in) × 6.35 cm (2.50 in) , 320 GB, 5400 rpm, SATA 645193-005 16 GB solid-state drive , SATA 713526-001 Hard [...]

2. Remove the two Phillips screws (1) . Lift the hard drive (2) to remove and di sconnect the h ard drive cable (3) . 3. Remove the four Phillips screws (1) , and then remove the bracket (2) from the hard drive. To install a hard drive, reverse the remo val procedure. Component replacement procedures 33[...]

USB board/Audio jack Description Spare part number USB boar d (includes cable and audio-out/audio-in jack) 697902-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the USB board, follow these ste ps: 1. Shut down the computer. 2. Disconnect all ext ernal devices connec[...]

WLAN module Description Spare part number Atheros AR9462 802.11 a/b/g/n 2x2 Bluetooth 4.0 combo ada pter, HMC 676786-005 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. CAUTION: To preven t an unresponsive system, replace the wireless module only w ith a wireless module authorized fo r [...]

2. Remove the Phillips screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.) 3. Remove the WLAN modu le by pulling the module awa y from the slot at an a ngle (3) . NOTE: The WLAN module is designe d with a notc h to prevent incorrec t installation into the WLAN module socke t. NOTE: If the WLAN ante nnas are not c[...]

Reverse this procedure to insta ll the WLAN module. Component replacement procedures 37[...]

System board NOTE: The processor is included on the system board. The system board T hermal Material Kit, pa rt num ber 680571 -001, includes replace ment thermal paste and pads. Description Spare part number System board 704989-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before[...]

2. Remove the power connecto r bracket Phillips screw (1) and remove th e power connector bracket (2) . 3. Remove the two Phillips screws (3) that secure the system board to the b ase enclosure. 4. Lift the left side of the system board (1) until it rests at an angle . 5. Remove the system board by sliding it up and to the left at an angle (2) . Co[...]

6. Disconnect the power connector cable (3) . 7. Remove the hard drive cable : a. Turn the system board u pside down, with the fron t toward you. b. Disconnect the hard drive ca ble from the system boa rd. Reverse this procedure to insta ll the system board. 40 Chapter 4 Remova l and replacement procedures[...]

Memory module WARNING! To reduce the risk of electric shock and damage to the e quipment, unplug the power cord and remove all batteries be fore installing a memory module. CAUTION: Electrostatic discharge (ESD) can damage electronic componen ts. Before beginning any procedure, e nsure that you are discharged of st atic elec tricity by touching a g[...]

3. Remove the memory module (2) by pulling it away from the slot a t an angle. CAUTION: T o prevent damage to the memory module, ho ld the memory module by the edges only. Do not to uch the compo nents on the me mory module. CAUTION: T o protect a memory module after removal, p lace it in an electrostatic-safe container. To replace the memo ry modu[...]

2. Press down on the left a nd right sides of th e memory module (2) until the si de retentio n clips snap back into p lace. 3. Reverse the previo us steps to repl ace the following ite ms: ● System board ● WLAN ● USB board ● Hard drive ● Top cover ● Keyboard ● Battery ● Any external de vices and the AC ad apter Component replacemen[...]

RTC battery Description Spare part number RTC battery 697917-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before r emoving th e RTC bat tery, follow these ste ps: 1. Shut down the computer. 2. Disconnect all ext ernal devices connected to the computer. 3. Disconnect th e power fr[...]

PCH heat sink Description Spare part number PCH heat sink 699248-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the PCH heat sink, follow these steps: 1. Shut down the computer. 2. Disconnect all ext ernal devices connected to the computer. 3. Disconnect th e power [...]

Heat sink Description Spare part number Heat sink 697915-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the heat si nk, follow the se steps: 1. Shut down the computer. 2. Disconnect all ext ernal devices connected to the computer. 3. Disconnect th e power from the c[...]

b. Thoroughly clean the therma l connections (1) on the syste m board and the hea t sink (2) before replacing a heat sink onto a system board. 3. Reverse this pr ocedure to replac e the heat sink. Replace the thermal material that ships wi th the replacement heat sink. Fan Description Spare part number Fan 697914-001 IMPORTANT: M ake special note o[...]

2. Remove the three Phillips screws (1) from the fan (2) and lift up to re move the fan. Reverse this procedu re to install the coolin g fan in the base enclos ure. Speaker assembly Description Spare part number Speaker assembly 697918-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement.[...]

2. Lift both pieces of the spe aker assembly (2) . Reverse this proced ure to install the spea ker assembly on the base enclosure. RJ-45 cover Description Spare part number RJ-45 cover 700428-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the RJ-45 cover, fo llow th[...]

2. Lift the RJ-45 cover (2) to remove it from the base enclosure . Reverse these procedures to replace the RJ-45 cover . Display Assembly Description Spare part number Antenna Kit (includes left and r ight wireless ant enna cables and tr an sceivers) 697913-001 Display Panel Cable Kit (in cludes display panel cable and webcam/micr ophone module cab[...]

Remove the display assembly: CAUTION: Support th e display assembly when removing the following screws. Failure to sup port the display assembl y can result in damage to the display assembly an d other computer components. 1. Remove the four Phillips screw s from the display hinges (1) and lift the display assembly (2) . 2. If it is nece ssary to r[...]

3. Remove the two top screw s (1) and two bott om screws (2) from the d isplay bracket and lif t the display brackets (3) to remove them. 4. If it is necessary to replace the display panel cable : a. Gently remove the cable from the routing clips (1) . b. Detach and release th e cable (it i s attached to the back cover with dou ble-sided tape ), an[...]

c. Remove the wireless ante nna cables and transceive rs (2) . Reverse this procedure to rea ssemble an d install the displa y assembly. Power connector Description Spare part number Power connector 697921-001 IMPORTANT: M ake special note of e ach screw and screw lock size and locatio n during removal and replacement. Before removing the power con[...]

NOTE: The power connector scre w and bracket were removed during the process to re move the system board. ▲ Lift out the power connector to re move it from the base en closure. Reverse these procedures to replac e the power co nnector. 54 Chapter 4 Remova l and replacement procedures[...]

5 Specifications Computer specifications Metric U.S. Dimensions: Width 34.7 cm 13.67 in Depth 23.8 cm 9.37 in Height (front to back) 2.1 cm to 2.1 cm .83 in to .83 in Weight: 1.8 kg 3.96 lbs Input power Operating voltage and current 19.5 V dc @ 3.33 A – 65 W Temperature Operating 5°C to 35°C 41°F to 95°F Nonoperating -20°C to 60° C -4°F to[...]

35.6 cm (14.0 in), di splay specifications Metric U.S. Dimensions Width 32.4 cm 12.8 in Height 19.3 cm 7.6 in Diagonal 35.6 cm 14.0 in Number of colors 262K (6 bit) Contrast ratio 500:1 (typical) Brightness 200 cd/m 2 (nits) (typical) Backlight WLED Total power consumpt ion 3.2 W (max) Viewing angle ±45° horizontal, +15° up & -35° down vert[...]

Solid-state drive specifications Performance Sequential read (maximum) up to 220 MB/s Sequential write (maximum) up to 50 MB/s Characteristics Interface SATA 3.0 Flash type Multi-Level Cell (MLC) NAND Flash capacity 16 GB Features ATA Security; ATA8-ACS; SATA 3.0; Device Initiated Power Management (DIPM) Envir onment al sp ecifi cation s Operating [...]

6 Power cord set requirements The wide-range input fe ature of the computer perm its it to operate from any line voltage from 100 to 120 V ac, or from 2 20 to 240 V ac. The 3-conductor powe r cord set included wi th t he compu ter meets the requirements for u se in the country or region where the e quipment is purchased . Power cord sets for u se i[...]

Requirements for specific countries and regions Country/region Accredited a gency Applicable note nu mber Argentina IRAM 1 Australia SAA 1 Austria OVE 1 Belgium CEBEC 1 Brazil ABNT 1 Canada CSA 2 Chile IMQ 1 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 India ISI 1 Israel SII 1 Italy IMQ 1 Japan JIS 3 The Netherlands KEMA 1 New Zeal an[...]

Country/region Accredited a gency Applicable note nu mber The United States UL 2 1. The flexible cord must be Type HO5VV-F, 3-conductor , 0. 75 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the ce rtif ication mark of the agency responsible for evaluation in the countr y or region where it will be used. 2.[...]

7 Recycling When a battery has reached the end of its use ful life, do n ot dispose of the battery in general household waste. Follo w the local laws a nd regulations in your area for battery disposal. HP encourages customers to recycle used electronic hard ware, HP original print cartridges, and rechargeable batteries. For more informatio n about [...]

Index A AC adapter lights 7 product description 2 spare part number 12, 13, 14 antenna identifying 3, 12 remov al 50 spare part number 12, 14, 50 Antenna Kit identifying 12 remov al 50 spare part number 12, 14, 50 audio, product description 1 audio-in jack identifying 6, 11 remov al 34 spare part number 11, 13, 34 audio-out jack identifying 6, 11 r[...]

heat sink identifying 11 remov al 46 spare part number 11, 14, 46 hinge identifying 12 spare part number 12, 13, 50 I integrated webcam light, identifying 3 internal media card, product description 2 internal microph one, identifying 3 J jack audio-in 6 audio-out 6 headphone 6 microphone 6 network 7 RJ-45 (network) 7 RJ-45 (network) lights 7 K keyb[...]

S Screw Kit, spare part number 13, 14 security cable slot, identifying 6 security, product description 2 service considerat ions cables 15 connectors 15 plastic parts 15 service label 9, 19 serviceability, product description 2 slots Digital Media 7 security cable 6 solid-state drive identifying 11 spare part number 11, 14, 21 specifications 57 spe[...]