Lenovo T430U manuale d’uso

Har dwar e Maint enance Manual ThinkP ad T430u[...]

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 93. First Edition (August 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, use,[...]

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 [...]

1050 Memory module . . . . . . . . . . . . 66 1060 PCI Express Mini C ard for wireless LAN . . 67 1070 PCI Express Mini Car d for wir eless W AN or mSA T A solid-state drive . . . . . . . . . . . 68 1080 Backup battery . . . . . . . . . . . . 71 1090 Keyboar d bez el . . . . . . . . . . . . 72 1110 Speaker assembly . . . . . . . . . . . 75 1120 Med[...]

About this manual This manual contains service and r eference information for the following ThinkP ad ® products. ThinkPad T430u Machine T ype (MT): 3351, 3352, 3353, 6273, and 8614 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 f[...]

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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[...]

DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 . Safety information 5[...]

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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 – “Str ategy for replacing a hard disk drive” on page 22 – “Important notice for r eplacing a system boar d” on page 22 –[...]

• If an adapt er or a device consists of mor e than one FRU , any of the FRUs might be the cause of the error . Before replacing the adapter or device, r emove the FRUs, one by one, t o see if the sympt oms change. Replace only the FRU that changed the sympt oms. Attention: The setup congur ation on the comput er you ar e servicing might have [...]

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. Click Pr oduct & P arts Detail and then follow the instructions on the screen to reach the P roduct and P arts Details page. 2. Click the P arts Detail tab to view the list of service parts. 24 Hardwar e Maintenance Manual[...]

Chapter 3. General checkout This chapter pr esents the 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 owe[...]

• 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 caused by liquid spilled into the system • Da[...]

T o download and install a quick test pr ogram, go t o http://www.lenovo.com/diagnose, and follow the instructions on the W eb sit e. T o run a quick test using the downloaded pr ogram, do the following: 1. Go t o the C:SWT OOLSldiag folder . 2. Double-click the gui_lsc_lit e.ex e le. 3. When the User Account Control window opens, click Y es .[...]

T o use the diagnostic medium you have creat ed, do one of the following: • If you have creat ed the bootable diagnostic medium on a USB device, do the following: 1. A ttach the USB device t o the computer . 2. T urn on the computer . If the computer cannot be turned on, go t o “P ower system checkout” on page 28, and check the power sources.[...]

Pin V oltage (V dc) 1 +20 2 0 3 Ground 1 2 3 (20V) Note: Output voltage across pin 2 of the ac power adapt er might be different from the one you are servicing. 3. If the voltage is not corr ect, replace the ac power adapter . 4. If the voltage is acceptable, replace the system boar d. Note: Noise from the ac power adapt er does not always indicate[...]

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Chapter 4. Related service information This chapter pr esents the following information: • “Restoring the fact ory contents by using Recovery Disc Set” on page 31 • “P asswords” on page 32 • “P ower management” on page 34 • “Symptom-t o-FRU inde x” on page 35 Service W eb site: When the latest maint enance diskette and the s[...]

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 F10 to save the ThinkP ad Setup congur ation changes. F ollow the instructions on the screen to begin the r ecovery pr ocess. 4. Select your language and click Ne xt . 5. Read the license. If you agree with the terms an[...]

Attention: If the user HDP has been for gotten, check whether a master HDP has been set. If it has, it can be used for access to the hard disk drive. If no master HDP is available, neither L enovo nor L enovo authorized service t echnicians can pr ovide any services to reset either the user or the master HDP , or to recover data from the hard disk [...]

4. When the user HDP icon is displayed, press F1 t o switch t o mast er HDP mode. When the master HDP icon is displayed, type in the master HDP to enter ThinkPad Setup. 5. Select Security , using the cursor directional keys t o move down the menu. 6. Select P assword . 7. Select Hard-disk x password , wher e x is the letter of the har d disk drive.[...]

Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stor ed on the har d disk. • The system is powered off. If you have dened one of the following actions as the event that causes the system t o go into hibernation mode, perform that action. • Closing the lid. • P ressing the pow[...]

Numeric error codes T able 1. Numeric error codes Symptom or err or (beeps, if any) FRU or action, in sequence 0177 Bad SVP data, st op POST task. System board. 0183 Bad CRC of Security Settings in EFI V ariable. Ent er ThinkP ad Setup. 1. Run ThinkP ad Setup. 2. Pr ess F9 and then press Enter t o load the default setting. Press F10 and then press [...]

Error messages T able 2. 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 . The thermal sensor is not functioning corr ectly . Have the computer serviced. This syst em does not support batt eries that are not genuine Lenovo-made or authoriz[...]

If the L CD you are servicing has two or less visible defective pix els, it should not be considered faulty . However , if the L CD has thr ee or mor e visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: • This policy applies to all ThinkP ad notebook comput ers pur chased on 1 January, 2008 or lat[...]

a. System boar d b. L CD assembly Chapter 4 . Related service information 39[...]

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Chapter 5. Status indicat ors This chapter presents the system status indicators that show the status of the computer . 3 2 1 4 5 T able 6. Status indicators Indicator Meaning 1 Caps Lock status indicator When the Caps L ock mode is enabled, this indicator will be displayed on the screen. Y ou can type all alphabetic charact ers in upper case (A-Z)[...]

T able 6. Status indicat ors (continued) Indicator Meaning 4 System status indicator 5 System status indicator The illuminated dot in the ThinkP ad logo on the outer lid of the comput er and on the palm rest works as a system status indicat or: it shows whether the comput er is in sleep, hibernation, or normal mode. • Red: The computer is on (in [...]

Chapter 6. F unction k ey combinations The following table describes the functions of Fn key combinations. T able 7. Function key combinations Key combinations Description Fn+Esc Pr ess Fn+Esc to mut e the sound of the computer . Fn+F1 Pr ess Fn+F1 to turn down the volume of the comput er . Fn+F2 Pr ess Fn+F2 to turn up the volume of the computer .[...]

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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 3 13 14 15 16 17 4 5 6 7 8 9 10 11 12 1 Built-in microphones 10 Combo audio jack 2 I[...]

Rear view 1 2 4 5 6 7 8 3 1 System status indicat or 5 F an louvers (rear) 2 Media card reader 6 HDMI connector 3 F an louvers (right) 7 SIM car d slot 4 Security keyhole 8 Mini DisplayP ort connector Bottom view 2 1 1 Bottom cover latch 2 Bottom cover Locating FRUs and CRUs This topic intr oduces the following service parts: • “Major FRUs and [...]

Notes: • Each FRU is available for all types or models, unless otherwise specied. • CRU statement for customers: Y ou can resolve 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 designated[...]

Major FRUs and CRUs 1 2 3 4 5 13 6 7 8 9 10 11 12 14 15 16 17 18 19 20 22 23 21 48 Hardwar e Maintenance Manual[...]

No. Description Self-service CRU Optional-service CRU 1 L CD unit No No 2 Keyboar d Y es No 3 Speaker assembly No No 4 P ower button sub card No No 5 Keyboar d bez el No No 6 Fingerprint r eader (on some models) No No 7 PCI Express Mini Car d for wir eless W AN (on some models) No Y es 8 PCI Express Half Mini Car d for wir eless WAN (on some models[...]

L CD FRUs and CRUs 1 4 2 3 5 6 8 7 No. Description Self-service CRU Optional-service CRU 1 L CD bez el No No 2 L CD panel No No 3 Hinges No No 4 Integr ated camera and microphone combo card No No 5 Camer a cable No No 6 L CD base cove assembly No No 50 Hardwar e Maintenance Manual[...]

No. Description Self-service CRU Optional-service CRU 7 Antenna kit No No 8 L CD cable 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 resolve some problems with your pr oduct with a replacem[...]

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 t orque screw drivers ar e calibr ated correctly following the country specications. [...]

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 r esolve some pr oblems with your pr oduct 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 [...]

Before ser vicing the computer Car efully read this topic befor e servicing the computer . Disabling the batt er y pack in the UEFI BIOS Before r eplacing any FRU, ensur e that you have disabled the built-in batt ery by doing the following: 1. T urn off the computer . Disconnect the ac power adapter and all the cables from the comput er . 2. T urn [...]

1 2 When installing: Slide the bott om cover latch to the unlocked position. While holding the bottom cover latch in the unlock ed position, attach the bottom cover 1 , and pivot it downwards until it is rmly attached 2 . Release the bottom cover latch to secur e the bott om cover . 2 1 DANGER The tabs 1 on the bottom cover will cause a safety r[...]

1 1 1 1 1 1 1 1020 Battery pack F or access, r emove this FRU: • “1010 Bottom cover” on page 58 Important notices for replacing a battery pack • The Lenovo Solution Cent er pr ogram provides an aut omatic battery diagnostic test that det ermines if the batt ery pack is defective. A batt ery pack FRU should not be replaced unless this diagno[...]

1 2 Step Screw (quantity) Color T orque 2 M2 × 5.0 mm, wafer -head, nylon-coated (5) Black 0.181 Nm (1.85 kgf-cm) Remove the battery pack by using the pull tab 3 . 3 1030 Hard disk drive or solid-state drive assembly Attention: • Do not dr op the drive or apply any physical shock t o it. The drive is sensitive to physical shock. Impr oper handli[...]

F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 Removal steps of hard disk drive or solid-state drive assembly Remove the scr ews 1 that secure the hard disk drive or solid-stat e drive assembly . 1 1 1 1 Step Screw (quantity) Color T orque 1 M2 × 5.0 mm, wafer -head, nylon-co[...]

Removal steps of hard disk drive or solid-state drive brack et 1 1 1 1 Step Screw (quantity) Color T orque 1 M2 × 6.0 mm, at-head, nylon-coat ed (4) Black 0.392 Nm (4.00 kgf-cm) 2 1040 K eyboard F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 Removal st eps of keyboard 1 Ch[...]

Step Screw (quantity) Color T orque 1 M2 × 5.0 mm, wafer -head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Push the keyboard in the direction as shown by the arrows 2 until the hooks on the r ear edge of the keyboard are detached fr om the keyboar d bez el. 2 2 Slightly push the keyboar d in the direction as shown by the arr ows 4 t o detach th[...]

T urn over the keyboar d, and then detach the keyboard connectors. 7 6 8 9 5 When installing: Ensure that the keyboar d connectors ar e attached rmly . Attach the keyboar d so that the fr ont edge of the keyboard is under the k eyboard be zel as shown in the following illustr ation. Chapter 9 . Removing or replacing a FRU 65[...]

When the fr ont edge of the keyboar d is housed rmly, gently pr ess the keyboard with your palms to slide the keyboard t oward you until it snaps into position. 1050 Memory module F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1040 Keyboard” on page 63 Removal step[...]

1060 PCI Expr ess Mini C ard for wir eless LAN F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1040 Keyboard” on page 63 Removal steps of PCI Expr ess Mini Car d for wireless LAN Detach the ant enna RF connect ors 1 . Remove the scr ew 2 . 1 1 2 Step Screw (quantity) C[...]

1070 PCI Express Mini C ard for wireless W AN or mSA T A solid-stat e drive Depending on models, the computer you ar e servicing might come with one of the following cards installed: PCI Expr ess Mini C ard for wireless WAN, PCI Express Half Mini Card for wir eless WAN, or mSA T A solid-state drive. F or access, remove these FRUs in or der: • “[...]

3 Removal steps of PCI Express Half Mini C ard for wireless W AN Detach the antenna RF connectors 1 . Then remove the scr ew 2 . Step Screw (quantity) Color T orque 2 M2 × 3.0 mm, wafer -head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Plug the red cable int o the jack mark ed MAIN , and the blue cable into the jack marked AUX [...]

3 4 4 Removal steps of mSA T A solid-state drive Attention: • Do not dr op the drive or apply any physical shock t o it. The drive is sensitive to physical shock. Impr oper handling can cause damage and permanent loss of data. • Befor e removing the drive, have the user make a backup copy of all the information on it if possible. • Never remo[...]

Remove the screw 1 that secur es the mSA T A solid-state drive. 1 Step Screw (quantity) Color T orque 1 M2 × 3.0 mm, wafer -head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 2 1080 Backup battery F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1040 Keyboard” on page[...]

1 2 When installing: Ensure that the connect or is attached rmly . 1090 K eyboard bez el F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard” on page 63 • “1070 PCI Express Mini Ca[...]

Step Screw (quantity) Color T orque 1 M2.5 × 6.5 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4.00 kgf-cm) 2 M2 x 5 mm, wafer -head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 3 M2 x 3 mm, at-head (6) Silver 0.181 Nm (1.85 kgf-cm) T urn the comput er over to r emove the screw 4 under the keyboar d and the screw 5 in the wir eless W AN ca[...]

Detach the connect ors as shown in the following illustration. 7 6 8 10 9 14 12 13 11 When installing: Ensure that the connectors ar e attached rmly . Release the keyboard bezel fr om the frame using a plastic pry tool as shown in the following illustr ation. 15 15 15 15 15 15 15 15 15 16 74 Hardwar e Maintenance Manual[...]

When installing: Route the cables as shown in the following illustr ation befor e you attach the keyboar d bez el. 1110 Speak er assembly F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard[...]

1120 Media car d r eader F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard” on page 63 • “1070 PCI Express Mini Car d for wir eless W AN or mSA T A solid-stat e drive” on page 68 [...]

1130 Fingerprint r eader If the computer you are servicing has the ngerprint r eader , follow the following instructions to r emove or replace it. F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1[...]

6 5 1140 P ower button sub car d F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard” on page 63 • “1070 PCI Express Mini Car d for wir eless W AN or mSA T A solid-stat e drive” on [...]

When installing: Ensure that the end of cable marked with PB is attached rmly to the power button sub card, and the end mark ed with MB is attached rmly to the syst em board. 1150 Hard disk drive or solid-state drive cable F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 ?[...]

F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1020 Battery pack” on page 60 • “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard” on page 63 • “1050 Memory module” on page 66 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 67 • “1070 PCI[...]

4 When installing: • Befor e you attach the thermal fan assembly t o the computer , apply thermal gr ease, at an amount of 0.2 grams, on the parts marked a as in the following illustr ations. Either too much or too less application of grease might cause a thermal problem due t o imperfect contact with a component. F or models that have a discrete[...]

Removal steps of syst em board Attention: The following components soldered on the system boar d ar e extr emely sensitive. When you service the syst em board, avoid any kind of rough handling. a Gr aphic P rocessing Unit (GPU) b Micr oprocessor c Platform Controller Hub (PCH) Note: The GPU is only available for models that have a discrete gr aphic[...]

• “1030 Hard disk drive or solid-state drive assembly” on page 61 • “1040 Keyboard” on page 63 • “1050 Memory module” on page 66 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 67 • “1070 PCI Express Mini Car d for wir eless W AN or mSA T A solid-stat e drive” on page 68 • “1080 Backup battery” on page[...]

1 2 3 4 5 6 8 7 9 13 10 11 12 1 Rating label 8 T aiwan wireless WAN label 2 COA label 9 Indonesia POS TEL label (for wir eless LAN) 3 Asset tag 10 Indonesia rating label 4 S/N label 11 Israel r ating label 5 ROW rating label 12 Br azil Anatel label 6 Non-encription label 13 Malaysia SIRIM label (for wireless LAN) 7 GEO label Note: Labels 1 and 4 ar[...]

Removal st eps of L CD unit 1 2 When installing: Ensure that the connectors ar e attached rmly . Detach the ant ennas as shown in the following illustr ation. 3 3 3 3 3 3 3 3 When installing: Ensur e that the cables ar e routed corr ectly as shown in the above illustr ation. Chapter 9 . Removing or replacing a FRU 85[...]

4 4 4 4 4 Step Screw (quantity) Color T orque 4 M2.5 × 6.5 mm, wafer-head, nylon-coated (5) Black 0.392 Nm (4.00 kgf-cm) 5 5 86 Hardwar e Maintenance Manual[...]

2020 L CD bez el Removal st eps of L CD bezel When installing: Ensure that all the latches ar e attached rmly . 2030 L CD panel F or access, r emove this FRU: • “2020 L CD bez el ” on page 87 Removal st eps of L CD panel 1 1 1 1 1 1 Chapter 9 . Removing or replacing a FRU 87[...]

Step Screw (quantity) Color T orque 1 M2 × 2.5 mm, wafer -head, nylon-coated (6) Silver 0.181 Nm (1.85 kgf-cm) 3 4 2 2040 Integrat ed camera and microphone combo card F or access, r emove this FRU: • “2020 L CD bez el ” on page 87 Removal steps of int egrated camer a and microphone combo card 2 1 When installing: Ensure that the connect or i[...]

2050 Hinges F or access, remove these FRUs in or der: • “1010 Bottom cover” on page 58 • “1040 Keyboard” on page 63 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 67 • “1070 PCI Express Mini Car d for wir eless W AN or mSA T A solid-stat e drive” on page 68 • “1090 Keyboar d bez el” on page 72 • “2010 L[...]

When installing: Befor e you install the hinges, r oute the cables as shown in the following illustration. Ensur e that all cables ar e routed on the far side of the rib and no cables ar e pinched under the fr ame. 2060 Wireless antenna cables and L CD r ear cover assembly F or access, remove these FRUs in or der: • “1030 Hard disk drive or sol[...]

3 3 3 3 Cable routing: When you install the ant enna assembly, r oute the cables as shown in the following illustration. As 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 guides, or a wir e to be br oken. 1 1 a b c d a Wireless LAN antenna (main) b Wireless W AN an[...]

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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 rademarks The following t erms ar e trademarks of L enovo in the United States, other countries or both: Lenovo ThinkLight ThinkP ad T r ackP oint UltraNav Microsoft and Windows ar e tr ademar[...]

Part Number: 0B48901 (1P) P/N: 0B48901 *1P0B48901*[...]