Lenovo S230U manual

Har dwar e Maint enance Manual ThinkP ad S230u[...]

Note: Before using this information and the pr oduct it supports, be sur e to read the gener al information under Appendix A “Notices” on page 89. First Edition (September 2012) © Copyright Lenovo 2012. LIMITED AND RES TRICTED RIGHTS NO TICE: If data or softwar e is delivered pursuant a Gener al Services Administr ation “GSA ” contr act, u[...]

Contents About this manual . . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that ar e sensitive t o electr ostatic discharge . . . . . . . . . . . . . . . . . . 3 [...]

1040 PCI Express Mini Car d for wir eless W AN or mSA T A solid-stat e drive . . . . . . . . . . . 63 1050 Keyboard bez el, backup batt ery, and speaker assembly . . . . . . . . . . . . . . . . . 66 1060 Battery pack . . . . . . . . . . . . . 69 1070 Pr oximity sensors . . . . . . . . . . . 70 1080 Thermal fan assembly and hard disk drive or solid-[...]

About this manual This manual contains service and r eference information for the following ThinkP ad ® products. ThinkPad S230u Machine T ype 3347 Use this manual along with the advanced diagnostic tests to troubleshoot pr oblems. Important: This manual is int ended only for trained service technicians who ar e familiar with ThinkP ad products. U[...]

iv Hardwar e Maintenance Manual[...]

Chapter 1. Safety information This chapt er presents following safety information that you need to be familiar with befor e you service a ThinkP ad notebook comput er . • “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that are sensitive t o electr ostatic di[...]

Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and t est equipment. Some hand tools have handles cover ed with a soft material that does not insulat e you when working with live electrical curr ents. Many cust omers have, near their equipment, rubber oor mats that contain sm[...]

– Use caution; do not become a victim yourself. – Switch off power . – Send another person t o get medical aid. Safety inspection guide The purpose of this inspection guide is to assist you in identifying pot entially unsafe conditions. As each machine was designed and built, requir ed safety items were installed to prot ect users and service[...]

1. Use pr oduct-specic ESD pr ocedures when they ex ceed the r equirements noted here. 2. Ensur e that the ESD prot ective devices you use have been certied (ISO 9000) as fully effective. When handling ESD-sensitive parts: • K eep the parts in prot ective packages until they ar e inserted into the product. • A void contact with other peop[...]

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Chapter 2. Important service information This chapter pr esents following important service information that applies to all machine types supported by this manual: • “Str ategy for r eplacing FRUs” on page 21 – “Strat egy for r eplacing a har d disk drive, a solid-state drive, or an mSA T A solid-state drive” on page 22 – “Important[...]

Attention: The setup congur ation on the comput er you ar e servicing might have been cust omized. Running Automatic Conguration might alt er the settings. Note the curr ent congur ation settings (using the View Conguration option); then, when service has been completed, verify that those settings remain in effect. Strat egy for r eplac[...]

Custom Model V ariant (CMV) This is a unique congur ation that has been negotiated between Lenovo and the customer . A unique 4-digit MT and 3-digit model is pr ovided to the customer t o place orders (Example: 1829-W15). A CMV is a special bid offering. Therefor e, it is NO T gener ally announced. • The MTM portion of the machine label is the[...]

T o view the complete list of FRUs, do the following: 1. Go t o http://www.lenovo.com/support. 2. Click P arts & Accessories . 3. P rovide your pr oduct information or click Launch to automatically identify your product. 4. Click P roduct & P arts Detail . 5. On the PRODUCT AND P ARTS DET AIL page, click P arts Detail to view the complet e [...]

Chapter 3. General checkout This chapter pr esents following information: • “What to do rst” on page 25 • “Checkout guide” on page 26 – “Lenovo Solution Cent er ” on page 26 – “Quick test pr ograms” on page 26 – “UEFI diagnostic pr ogram” on page 27 – “Bootable diagnostic pr ograms” on page 27 • “P ower sy[...]

The following are not covered under warr anty: • L CD panel cracked fr om the application of e xcessive force or from being dropped • Scr atched (cosmetic) parts • Dist ortion, deformation, or discolor ation of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cr acked or br oken by ex cessive force • Damage [...]

The quick test progr ams ar e applicable on the following operating systems: • Micr osoft ® Windows ® 8 • Micr osoft Windows 7 • Micr osoft Windows XP • Micr osoft Windows Server ® 2003 • Micr osoft Windows Server 2008 T o download and install a quick test progr am, go to http://www.lenovo.com/diagnose and follow the instructions on th[...]

1. Go t o http://ww w.lenovo.com/diagnose. 2. Click L enovo Bootable Diagnostics . 3. F ollow the instructions on the W eb site t o cr eate a bootable diagnostic medium on a USB device or CD . T o use the diagnostic medium you have cr eated, do one of the following: • If you have creat ed the bootable diagnostic medium on a USB device, do the fol[...]

T o check the ac power adapter , do the following: 1. Unplug the ac power adapter cable from the computer . 2. Measur e the output voltage at the plug of the ac power adapter cable. See the following illustr ation: Pin V oltage (V dc) 1 +20 2 0 3 Ground 1 2 3 (20V) Note: Output voltage acr oss pin 2 of the ac power adapt er might differ from the on[...]

• If the voltage is not correct, r eplace the backup batt ery . • If the backup battery discharges quickly after replacement, r eplace the system boar d. 30 Hardwar e Maintenance Manual[...]

Chapter 4. Related service information This chapter pr esents following information: • “Restoring the fact ory contents by using Recovery Disc Set” on page 31 • “Using the Windows recovery progr ams on the Windows 8 oper ating system” on page 32 • “P asswords” on page 33 • “P ower management” on page 35 • “Symptom-t o-FR[...]

b. Use the arr ow keys to select Startup ➙ Boot . c. Select the CD/DVD drive as the 1st Boot Device . 2. Insert the Operating System Recovery Disc int o the DVD drive. 3. P ress Fn+F10 t o save the ThinkPad Setup conguration changes. F ollow the instructions on the scr een to begin the recovery process. 4. Select your language and click Ne xt [...]

Attention: All the personal les and settings will be delet ed after you rest ore the computer to the factory default settings. Ensure that the user has made a backup copy of all the data before r estoring the computer to the factory default settings. T o r estore the comput er , do the following: 1. Move your cursor t o the bottom-right corner o[...]

provide any services to r eset either the user hard-disk passwor d or the mast er har d-disk passwor d, or t o recover data fr om the har d disk drive. The hard disk drive can be replaced for a scheduled fee. F or how to r emove the hard-disk passwor d, see “How to r emove the hard-disk passwor d” on page 34. Supervisor passwor d A supervisor p[...]

5. Select Hard-disk x password , wher e x is the letter of the har d disk drive. A pop-up window opens. 6. Select Master HDP . 7. T ype the curr ent master har d-disk password in the Enter Current P assword eld. Then leave the Enter New P assword eld blank, and pr ess Enter twice. 8. P ress Fn+F10 t o save changes and exit the ThinkP ad Setup[...]

When the power is turned on, the comput er returns from hibernation mode and r esumes oper ation. The hibernation le in the boot recor d on the hard disk drive is read, and system status is restor ed fr om the hard disk drive. Wireless off mode In wireless off mode, the wir eless features ar e turned off t o conserve power . T o turn off or turn[...]

T able 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0189 Invalid RFID congur ation information ar ea—The EEPROM checksum is not corr ect. System board. 0190 Critical low-battery error 1. Charge the batt er y pack. 2. Battery pack. 0191 System Security—Invalid Remote Change request ed. 1. Run the ThinkP ad Se[...]

Error messages T able 3. Error messages Symptom or err or (beeps, if any) FRU or action, in sequence F an err or 1. F an . 2. Thermal grease. 3. System boar d. Thermal sensing error System board. The battery installed is not supported by this syst em and will not charge. Please r eplace the batt ery with the correct L enovo battery for this syst em[...]

T able 5. Beep symptoms (continued) Problem Solution Five short beeps The system boar d has a problem. Have the computer serviced. Five short beeps, pause, ve short beeps, and pause Continue to boot immediat ely when the error was detected. L CD-r elated symptoms Important: The TFT L CD for the not ebook comput er contains many thin-lm transi[...]

1. T urn off the computer . 2. Visually check each FRU for damage. Replace any damaged FRU . 3. Remove or disconnect all of the following devices: a. Non- ThinkP ad devices b. Print er , mouse, and other e xternal devices c. Hard disk drive or solid-state drive d. External diskett e drive or optical drive e. Media car d 4. T urn on the computer . 5[...]

Chapter 5. Status indicat ors This chapter presents the system status indicators that show the status of the computer . 2 1 3 4 T able 7. Status indicators Indicator Meaning 1 Caps L ock status indicator When the Caps Lock mode is enabled, this indicator will be displayed on the scr een. Y ou can ent er all alphabetic char acters (A-Z) in uppercase[...]

T able 7. Status indicators (continued) Indicator Meaning 3 4 System status indicator The illuminat ed dot in the ThinkP ad logo works as a system status indicat or: it shows whether the computer is in sleep, hibernation, or normal mode. • Red: The computer is on (in normal mode). • F ast blinking red: The comput er is entering hibernation mode[...]

Chapter 6. Special keys The following table describes the functions of the special keys on the computer keyboar d. T able 8. Special keys Special key Description Esc Pr ess this key to open the ThinkP ad Keyboar d P roperties window wher e you can t oggle the F1-F12 key functionality . F1 Pr ess this key to mute or unmute the speakers. Note: If you[...]

T able 8. Special keys (continued) Special key Description F11 Pr ess this key to view the pr ograms that you have opened. F12 Pr ess this key to view all the progr ams. Fn+B Has the same function as the Br eak key on a conventional keyboar d. Fn+K Has the same function as the ScrLK key on a conventional k eyboard. Fn+P Has the same function as the[...]

Chapter 7. L ocations This chapt er intr oduces the locations of the computer hardwar e components. Locating computer controls, connectors, and indicators This topic introduces the locations of the comput er contr ols, connect ors, and indicators. F ront view 1 1 2 8 9 10 11 13 14 15 16 3 4 5 6 7 12 1 Built-in microphones 9 Mini DisplayP ort connec[...]

Rear view 1 2 3 4 5 6 7 8 1 System status indicat or 5 Ethernet connector 2 Combo audio jack 6 Media card r eader slot 3 USB 3.0 connector 7 SIM car d slot 4 HDMI connector 8 Security keyhole Bottom view 3 1 2 1 Har d disk drive or solid-state drive 3 Battery pack 2 Emergency r eset hole Locating FRUs and CRUs This topic intr oduces the following s[...]

Notes: • Each FRU is available for all types or models, unless otherwise specied. • CRU statement for customers: Y ou can r esolve some problems with your pr oduct with a replacement part you can install yourself, called a “Customer Replaceable Unit” or “CRU . ” Some CRUs are designat ed as self-service CRUs and others ar e designate[...]

Major FRUs and CRUs 1 2 3 4 5 7 6 8 9 10 11 12 13 14 15 16 17 18 No Description Self-service CRU Optional-service CRU 1 L CD unit No No 2 Speaker assembly No No 3 Keyboar d bez el No No 4 Thermal fan assembly No No 5 DC-in connector No No 6 Base cover assembly No No 48 Hardwar e Maintenance Manual[...]

No Description Self-service CRU Optional-service CRU 7 Hard disk drive or solid-state drive slot cover Y es No 8 Hard disk drive or solid-state drive Y es No 9 Battery pack No No 10 Pr oximity sensors No No 11 Hard disk drive connector No No 12 System board No No 13 PCI Expr ess Mini card for wireless LAN No Y es 14 mSA T A solid-state drive (on so[...]

L CD FRUs 1 2 3 4 5 6 8 7 9 No Description Self-service CRU Optional-service CRU 1 Button bezel No No 2 L CD panel No No 3 Integr ated camera No No 4 Wireless ant enna assembly No No 5 P ower cable assembly No No 6 L CD rear cover assembly No No 7 L CD cable assembly No No 50 Hardwar e Maintenance Manual[...]

No Description Self-service CRU Optional-service CRU 8 Hinge No No 9 Button board No No Looking up FRU information F or detailed FRU information, including part numbers, descriptions, and substitution part numbers, go t o http://www.lenovo.com/serviceparts-lookup. Chapter 7 . Locations 51[...]

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Chapter 8. FRU replacement notices This chapt er pr esents notices relat ed to r emoving and replacing parts. Read this chapter carefully before replacing any FRU . Notes: • Each FRU is available for all types or models, unless otherwise specied. • CRU statement for customers: Y ou can r esolve some problems with your pr oduct with a replace[...]

Notes: • Ensur e that you use the corr ect screw . It is r ecommended t o use new screws for replacements. • If you have a tor que screwdriver , tight en all scr ews rmly to the tor que specied in the screw information table for each step. • Ensur e that the t orque scr ew drivers ar e calibrat ed corr ectly following the country speci?[...]

Product ID on rear label: TTTT -MMM (Use this number when setting Serial Number) In the example, the Serial Number to be input is “1S TTTTMMMSSSSSSS”. Retaining the UUID The Universally Unique Identier (UUID) is a 128-bit number uniquely assigned t o your computer at production and stored in the EEPROM of your system board. The algorithm tha[...]

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Chapter 9. Removing or r eplacing a FRU This chapt er provides instructions on how to r emove or replace a FRU . CRU statement for customers: Y ou can resolve some problems with your product with a r eplacement part you can install yourself, called a “Cust omer Replaceable Unit” or “CRU. ” Some CRUs ar e designat ed as self-service CRUs and[...]

Before ser vicing the computer Car efully read this topic befor e servicing the computer . Disabling the built-in battery Before r eplacing any FRU, ensur e that you have disabled the built-in batt ery by doing the following: 1. T urn off your computer and disconnect the ac power adapt er and all cables fr om the computer . 2. T urn on your compute[...]

2 1 Remove the har d disk drive or solid-stat e drive with bracket fr om the computer 3 . 3 Removal steps of hard disk drive or solid-state drive brack et 1 1 1 1 Chapter 9 . Removing or replacing a FRU 59[...]

Step Screw (quantity) Color T orque 1 M3 × 3 mm, at-head, nylon-coated (4) Silver 0.3+ 0.05 Nm (4.00 kgf-cm) 2 1020 K eyboard Removal st eps of keyboard 1 1 Step Screw (quantity) Color T orque 1 M2 × 5 mm, wafer -head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Pr ess the keyboar d in the dir ection shown by the arr ows 2 until the r ear ed[...]

2 2 3 3 4 4 4 4 Chapter 9 . Removing or replacing a FRU 61[...]

5 6 7 8 9 When installing: 1. A ttach the connectors rmly . 2. A ttach the keyboard and ensur e that the hooks on the fr ont edge of the keyboar d are under the frame. 3. When the front edge of the keyboar d is housed rmly, gently press the keys with your palms and slightly slide the keyboard toward you until the keyboard is in place. 4. Secu[...]

• “1020 Keyboard” on page 60 Removal steps of PCI Expr ess Mini Car d for wireless LAN In st ep 1 , unplug the connectors by using the removal tool antenna RF connector or pick the connectors with your ngers and gently unplug them in the dir ection of the arr ows. 1 1 2 Step Screw (quantity) Color T orque 2 M2 × 3 mm, wafer -head, nylon-c[...]

• “1020 Keyboard” on page 60 Removal steps of PCI Expr ess Mini Car d for wireless WAN In st ep 1 , unplug the connectors by using the removal tool antenna RF connector or pick the connectors with your ngers and gently unplug them in the dir ection of the arr ows. 2 1 1 Step Screw (quantity) Color T orque 2 M2 × 3 mm, wafer -head, nylon-c[...]

4 4 When installing: Plug the orange cable into the main connector , and the blue cable into the auxiliary connector . Removal steps of mSA T A solid-state drive The computer comes with either a PCI Express Mini Card for wireless W AN or an mSA T A solid-state drive. If the computer is equipped with an mSA T A solid-state drive, it is installed in [...]

Step Screw (quantity) Color T orque 1 M2 × 3 mm, wafer -head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 2 1050 K eyboard bez el, backup battery, and speaker assembly F or access, remove these FRUs in or der: • “1010 Hard disk drive or solid-state drive” on page 58 • “1020 Keyboard” on page 60 Removal steps of keyboard bez el 1 2 2[...]

3 3 3 3 3 3 3 Step Screw (quantity) Color T orque 3 M2 × 3 mm, wafer -head, nylon-coated (7) Silver 0.181 Nm (1.85 kgf-cm) 7 8 4 5 6 When installing: • Ensur e that the connectors ar e attached rmly . • When you r oute the cables, ensure that they are not subject to any tension. T ension could cause the cables t o be damaged by the cable gu[...]

9 Rotate the L CD unit in the direction shown by the arrow 10 . 10 Detach the latches 11 . Then r emove the keyboard bez el in the dir ection shown by the arrow 12 . 11 11 11 11 11 11 11 11 11 12 68 Hardwar e Maintenance Manual[...]

Removal step of backup batt er y DANGER Use only the authorized battery specied for your computer . Any other battery could ignite or explode. Removal steps of speaker assembly 1 1 1 1 3 3 2 Step Screw (quantity) Color T orque 1 M2 × 3 mm, Outside Diameter 8 mm, wafer -head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) 1060 Battery pack F or a[...]

Important notices for replacing a battery pack: • This system supports only batteries specially designed for this specic system and manufactur ed by L enovo or an authorized builder . The system does not support unauthorized batt eries or batteries designed for other systems. If an unauthorized battery or a battery designed for another system [...]

• “1050 K eyboard bezel, backup batt ery, and speaker assembly” on page 66 • “1060 Battery pack” on page 69 Removal steps of proximity sensors 1 1 2 2 Step Screw (quantity) Color T orque 2 M2 × 3 mm, wafer -head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached rmly to the syst [...]

1080 Thermal fan assembly and hard disk drive or solid-state drive connector F or access, remove these FRUs in or der: • “1010 Hard disk drive or solid-state drive” on page 58 • “1020 Keyboard” on page 60 • “1050 K eyboard bezel, backup batt ery, and speaker assembly” on page 66 • “1060 Battery pack” on page 69 Removal steps[...]

3 When installing: Befor e you attach the thermal fan assembly to the computer , apply thermal grease, at an amount of 0.2 gr ams. Either t oo much or t oo less application of grease can cause a thermal pr oblem due to imperfect contact with a component. Removal steps of hard disk drive or solid-state drive connect or 1 1 2 Step Screw (quantity) Co[...]

• “1020 Keyboard” on page 60 • “1050 K eyboard bezel, backup batt ery, and speaker assembly” on page 66 • “1060 Battery pack” on page 69 Removal st eps of L CD unit 3 3 1 2 Step Screw (quantity) Color T orque 3 M2.5 × 4 mm, wafer -head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 74 Hardwar e Maintenance Manual[...]

In step 4 , detach the wir eless ant ennas, and release the cables from the cable guides. 4 4 4 4 4 4 When installing: • Ensur e that you attach the connectors rmly in the following order: 1 Wireless WAN auxiliary connector 2 Wireless LAN main connect or 3 Wireless LAN auxiliary connect or 4 Wireless WAN main connector 5 LCD cable assembly 6 P[...]

5 5 Step Screw (quantity) Color T orque 5 M2.5 × 4 mm, wafer -head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 6 6 Step Screw cap Screw (quantity) Color T orque 6 M2.5 × 3 mm, wafer -head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 76 Hardwar e Maintenance Manual[...]

7 1100 DC-in connector F or access, remove these FRUs in or der: • “1010 Hard disk drive or solid-state drive” on page 58 • “1020 Keyboard” on page 60 • “1050 K eyboard bezel, backup batt ery, and speaker assembly” on page 66 • “1060 Battery pack” on page 69 • “1090 L CD unit” on page 73 Removal steps of DC-in connecto[...]

Step Screw (quantity) Color T orque 2 M2 × 3 mm, wafer -head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connect or is attached rmly . 1110 System board and base cover assembly Important notices for handling the system board When handling the syst em board, bear the following in mind: • The system board ha[...]

c a Platform Controller Hub (PCH) b Micr oprocessor c Accelerometer chip for the hard disk drive Active P rot ection System ™ 1 1 1 Step Screw (quantity) Color T orque 1 M2 × 2.5 mm, wafer -head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) 2 Applying labels t o the base cover The new base cover FRU is shipped with a kit containing the followin[...]

The following illustr ation shows the location of each label. 10 11 1 2 3 4 14 15 16 1 7 18 12 13 6 5 8 7 9 2 FCC label 11 Indonesia rating label 3 GEO label 12 T aiwan NCC ID label for wir eless WAN 4 Genuine Microsoft label 13 China wir eless W AN label 5 Wireless W AN IMEI label 14 Brazil Anat el labels 6 Ericsson label 15 Indonesia P ostel labe[...]

2010 Button bez el Removal steps of butt on bez el 1 1 2 2 Step Screw cap Screw (quantity) Color T orque 1 M2 × 5 mm, wafer-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 2 M2.5 × 4 mm, wafer -head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Lift the button bez el slightly as shown by the arr ow 3 . Then detach the latches 4 in ascendin[...]

Removal st eps of L CD panel 1 1 1 1 2 Step Screw (quantity) Color T orque 1 M2 × 3.5 mm, wafer -head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) 3 4 5 6 7 When installing : Ensure that the connectors ar e attached rmly . 2030 Button board F or access, remove these FRUs in or der: • “2010 Button bez el” on page 81 • “2020 L CD pan[...]

Removal steps of butt on board 1 1 Step Screw (quantity) Color T orque 1 M2 × 3 mm, wafer-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 3 2 When installing : Ensure that the connect or is attached rmly . 2040 Integr ated camer a F or access, remove these FRUs in or der: • “2010 Button bez el” on page 81 • “2020 L CD panel” on[...]

Removal steps of integrated camer a 2 1 When installing: Ensure that the connect or is attached rmly . 2050 Hinge F or access, remove these FRUs in or der: • “1010 Hard disk drive or solid-state drive” on page 58 • “1020 Keyboard” on page 60 • “1050 K eyboard bezel, backup batt ery, and speaker assembly” on page 66 • “1060 [...]

3 When installing: • When you pull the cables thr ough the hole in the hinge, rout the cables as shown in the following illustration. 4 5 6 3 2 1 1 P ower cable assembly 4 Wireless W AN main antenna 2 Wir eless WAN auxiliary antenna 5 Wireless LAN auxiliary ant enna 3 Wireless LAN main antenna 6 L CD cable assembly • When you attach the L CD un[...]

1 2 3 4 5 6 1 L CD cable assembly 4 Wireless LAN main antenna 2 Wireless LAN auxiliary ant enna 5 Wireless W AN auxiliary antenna 3 Wireless WAN main antenna 6 P ower cable assembly 2060 Wireless antenna assembly, L CD cable assembly, power cable assembly, and L CD rear cover assembly F or access, remove these FRUs in or der: • “1010 Hard disk [...]

2 2 2 2 2 2 2 2 2 1 1 1 1 When installing: As you rout e the cables, ensur e that they ar e not subject to any tension. T ension could cause the cables to be damaged by the cable guides, or a wir e t o be broken. 3 3 Chapter 9 . Removing or replacing a FRU 87[...]

a b c d a Wireless LAN antenna (main) b Wireless W AN ant enna (auxiliary) c Wireless W AN ant enna (main) d Wireless LAN ant enna (auxiliary) Note: Some models might not have the wir eless WAN antennas. Removal step of L CD cable assembly, power cable assembly, and L CD r ear cover assembly 88 Hardwar e Maintenance Manual[...]

Appendix A. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the pr oducts and services currently available in your area. Any refer ence to a Lenovo pr oduct, progr am, or service is not int ended t o state or imply that only t[...]

Electronic emissions notices F or electr onic emission information on Class B digital devices, r efer to the corr esponding information in the User Guide . T r ademarks The following t erms ar e trademarks of L enovo in the United States, other countries or both: Active P rot ection System Lenovo ThinkP ad ThinkV antage T r ackP oint Ultrabay Ultra[...]

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Part Number: 0B48943 Printed in (1P) P/N: 0B48943 *1P0B48943*[...]