Lenovo ThinkPad T61 Keyboard, DE Especificaciones

ThinkPad® T61 and T61p (15.4-inch wi d escree n ) Hard ware Maintenance Manual

General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and af

1180 LCD assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest wit

Table 30. Removal steps of LCD assembly (continued) 323 Step Screw (quantity) Color Torque 3 M2 × 5 mm, flat-head, nylon-coated (2

Table 30. Removal steps of LCD assembly (continued) 44 When installing: 1. Route the antenna cables along the cable guides and se

1190 Base cover and USB sub card with cable For access, remove these FRUs, in order: v “1010 Battery pack” on page 62 v “1040

Table 31. Removal steps of base cover and USB sub card with cable (continued) 344 Step Screw (quantity) Color Torque 3 M2 × 9.5

Table 31. Removal steps of base cover and USB sub card with cable (continued) 56a For discrete graphics models: When you are servi

Table 31. Removal steps of base cover and USB sub card with cable (continued) Attention: Before step 7, be sure that the Ultrab

When installing the PC Card slot bezel assembly, do as follows: Table 32. Installation of the PC Card slot bezel assembly For PC

Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you

1200 Structure frame For access, remove these FRUs, in order: v “1010 Battery pack” on page 62 v “1020 Ultrabay Slim device” on

Electrical safety Observe the following rules when working on electrical equipment. v Find the room emergency power-off (EPO) switc

Table 33. Removal steps of structure frame (continued) Remove the AC power jack cable a and the modem cable b. 52344ab When ins

Table 33. Removal steps of structure frame (continued) Remove the CPU support plate. 78 Step Screw (quantity) Color Torque 7 M2 ×

Table 33. Removal steps of structure frame (continued) Remove the system board and the PC Card/ExpressCard slots assembly from the s

1210 System board, PC Card/ExpressCard slots assembly Important notices for handling the system board:When handling the system boa

abcdefTable 34. Removal steps of system board, PC Card/ExpressCard slots assembly 11 Step Screw (quantity) Color Torque 1 M2 × 2.7

Table 34. Removal steps of system board, PC Card/ExpressCard slots assembly (continued) Turn the system board over, and then disconn

2010 LCD front bezel and LCD rear cover (LCD cover kit) For access, remove this FRU: v “1010 Battery pack” on page 62 Table 35.

Table 35. Removal steps of LCD front bezel and LCD rear cover (LCD cover kit) (continued) Detach the left and right rear edges o

Table 35. Removal steps of LCD front bezel and LCD rear cover (LCD cover kit) (continued) Detach the latches on the front edge o

Table 36. Installation of the LCD front bezel and the LCD rear cover (LCD cover kit) (continued) 2. Attach all the latches on the

v Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such

Table 36. Installation of the LCD front bezel and the LCD rear cover (LCD cover kit) (continued) 4. Attach the latches of the LCD

2020 Inverter card For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “2010 LCD front bezel and LCD r

2030 Bluetooth daughter card (BDC-2) For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “2010 LCD front

2040 Antenna assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest

Table 39. Removal steps of antenna assembly (continued) 44443 116 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance

2050 LCD magnesium frame (LCD cover kit) and hinge assembly For access, remove these FRUs in order: v “1010 Battery pack” on page

Table 40. Removal steps of LCD magnesium frame (LCD cover kit) and hinge assembly (continued) 5 Step Screw (quantity) Color Torque 5

Table 40. Removal steps of LCD magnesium frame (LCD cover kit) and hinge assembly (continued) Remove the hinge assembly in step 8

2060 LCD panel and LCD cable For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or p

Locations Front view 1 ThinkLight 2 Status indicatorsNote: For the description of each indicator, see “Status indicators” on page

Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each

Rear view 1 Status indicatorsNote: For the description of each indicator, see “Status indicators” on page 50. 2 PC Card/ExpressCa

Parts list This section contains following lists of the service parts. v “Overall” on page 124 v “LCD FRUs” on page 151 v “Ke

Overall 12534de56789101114121315161718f1920212223242627abc2 124 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual

Table 42. Parts list—Overall No. FRU FRU no. RoHS ID CRU ID a - d See “Miscellaneous parts” on page 162. 1 LCD unit (see “LCD FRUs

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 6 ThinkPad 11a/b/g/n Wireless LAN Mini-PCI Express Adapter v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 6 Intel Wireless WiFi Link 4965AGN (11n disabled) v 6457-CTO

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 7 Wireless USB adapter v 6457-CTO, 5Cx, 6Gx, 6Hx, 6Kx, 83x

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 11 SATA hard disk drive, 80 GB, 9.5 mm, 5,400 rpm v 6457-

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 11 SATA hard disk drive, 160 GB, 9.5 mm, 5,400 rpm v 6457

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 11 SATA hard disk drive, 60 GB, 9.5 mm, 7,200 rpm v 6463-

Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) s

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 11 SATA hard disk drive, 200 GB, 9.5 mm, 7,200 rpm (FDE) HG

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 14 Battery pack, Li-ion (6 cell) v 6457-CTO, 42x, 44x, 45x,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 16 DVD drive, 9.5 mm v 6463-CTO v 6464-CTO v 6465-CTO, 5

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 16 DVD-RAM/RW drive, 9.5 mm v 6457-CTO, 42x, 44x, 45x, 47x,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 18 Base cover assembly for 6457 World-wide v 6457-CTO, xxA,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 18 Base cover assembly for 6464 World-wide v 6464-CTO, xxA,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 19 512-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card v 6457-CTO,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 19 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card v 6457-CTO, 4

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 20 System board assembly, nVIDIA NB8M-GS with AMT v 6457-CTO

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 21 CPU assembly, Intel Core 2 Duo processor T7100 (1.8 GHz) v

Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 21 CPU assembly, Intel Core 2 Duo processor T7500 (2.2 GHz) v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 21 CPU assembly, Intel Core 2 Duo processor T7700 (2.4 GHz) v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 21 CPU assembly, Intel Core 2 Duo processor T8100 (2.1 GHz) v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 21 CPU assembly, Intel Core 2 Duo processor T9500 (2.6 GHz) v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 22 PC Card/ExpressCard slot v 6457-CTO, 42x, 44x, 45x, 47x,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 22 PC Card/Smart Card slot v 6457-CTO, 4Hx, 4Tx, 4Ux, 4Wx,

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 23 KDDI Wireless WAN Modem Adapter v 6457-CTO v 6458-CTO v

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 25 Palm rest assembly without fingerprint reader, with IBM log

Table 42. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 25 Palm rest assembly with fingerprint reader, with ThinkPad l

LCD FRUs In ThinkPad T61 and T61p (15.4-inch widescreen), there are following types of LCDs. v “15.4-in. WXGA TFT” on page 152 v

Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, r

15.4-in. WXGA TFT Table 43. Parts list—15.4-in. WXGA TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD cover kit with IBM logo v 6457-CTO,

Table 43. Parts list—15.4-in. WXGA TFT (continued) No. FRU FRU no. RoHS ID CRU ID 3 Wireless LAN/WAN antenna assembly v 6457-CTO, 6E

Table 43. Parts list—15.4-in. WXGA TFT (continued) No. FRU FRU no. RoHS ID CRU ID 8 Bluetooth daughter card (BDC-2) v 6457-CTO, 5Mx,

15.4-in. WSXGA+ TFT Table 44. Parts list—15.4-in. WSXGA+ TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD cover kit with IBM logo v 6457-

Table 44. Parts list—15.4-in. WSXGA+ TFT (continued) No. FRU FRU no. RoHS ID CRU ID 3 Wireless LAN/WAN antenna assembly v 6457-CTO,

Table 44. Parts list—15.4-in. WSXGA+ TFT (continued) No. FRU FRU no. RoHS ID CRU ID 8 Bluetooth daughter card (BDC-2) v 6457-CTO, 42

15.4-in. WUXGA TFT Table 45. Parts list—15.4-in. WUXGA TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD cover kit with IBM logo v 6457-CT

Table 45. Parts list—15.4-in. WUXGA TFT (continued) No. FRU FRU no. RoHS ID CRU ID 3 Wireless LAN/WAN antenna assembly v 6457-CTO, 5

Table 45. Parts list—15.4-in. WUXGA TFT (continued) No. FRU FRU no. RoHS ID CRU ID 8 Bluetooth daughter card (BDC-2) v 6457-CTO, 52x

Keyboard Language P/N (ALPS) P/N (Chicony) P/N (NMB) RoHS ID CRU ID Arabic 42T3212 42T3276 42T3146 R ** Belgian 42T3213 42T3277 42T3147 Braz

Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or

Miscellaneous parts Table 46. Parts list—Miscellaneous parts FRU P/N RoHS ID CRU ID Screw kit (including nylon-coated screws): v M2 ×

Table 46. Parts list—Miscellaneous parts (continued) FRU P/N RoHS ID CRU ID System board miscellaneous parts: v Insulation sheet, docki

Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Table 48.

Recovery discs Windows XP Professional CDs Windows XP Professional is preinstalled as the operating system in the following models: v

Table 50. Parts list—Windows XP Professional recovery CDs Language P/N RoHS ID CRU ID Arabic 43T8176 R * Brazilian Portuguese 43T8165 Cz

Windows Vista Home Basic (32 bit) DVDs Windows Vista Home Basic (32 bit) is preinstalled as the operating system in the following

Windows Vista Home Premium (32 bit) DVDs Windows Vista Home Premium (32 bit) is preinstalled as the operating system in the followi

Table 52. Parts list—Windows Vista Home Premium (32 bit) DVDs Language P/N RoHS ID CRU ID Brazilian Portuguese 44Y2496 R * Czech 44Y25

Windows Vista Business (32 bit) DVDs Windows Vista Business (32 bit) is preinstalled as the operating system in the following models

Table 53. Parts list—Windows Vista Business (32 bit) DVDs Language P/N RoHS ID CRU ID Brazilian Portuguese 44Y2467 R * Czech 44Y2474 Da

Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polar

Windows Vista Business (64 bit) DVDs Windows Vista Business (64 bit) is preinstalled as the operating system in the following models

Windows Vista Ultimate (32 bit) DVDs Windows Vista Ultimate (32 bit) is preinstalled as the operating system in the following models

Common service tools Table 56. Parts list—Common service tools Tool P/N Screwdriver kit 95F3598 1/4″ drive spinner handle 1650840 1/4″

Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Len

vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measuremen

Part Number: 42X3546_03 (1P) P/N: 42X3546_03

Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the

Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’é

Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the

Laser compliance statement Some models of ThinkPad computer are equipped from the factory with an optical storage device such as a

A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode.

16 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual

Important service information This chapter presents following important service information: v “Strategy for replacing FRUs” – “Strat

v Some computers have both a processor board and a system board. If you are instructed to replace either the processor board or

Strategy for replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order (CTO) This provides the ability for

warranty.vm&sitestyle=lenovoSelect Warranty lookup. Input the MT and the Serial number and the list of key commodities will be re

Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Eq

ThinkPad® T61 and T61p (15.4-inch wi d escree n ) Hard ware Maintenance Manual

22 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual

General checkout This chapter presents following information: v “What to do first” on page 24 v “Checkout guide” on page 25 –

What to do first When you do return a FRU, you must include the following information in the parts exchange form or parts return

Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The d

Diagnostics using PC-Doctor for DOS The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter called PC-Doctor.) Y

On the first screen, select the model and press Enter. Follow the instructions on the screen. 2. The main panel of PC-Doctor app

5. Follow the instructions on the screen. If there is a problem, PC-Doctor shows messages describing it. 6. To exit the test,

Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration

Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect

Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a batt

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 175

Checking the backup battery Do the following: 1. Power off the computer, and unplug the ac adapter from it. 2. Turn the compute

Related service information This chapter presents following information: v “Restoring the factory contents by using Product Recovery

5. You will then be prompted to insert Product Recovery Disk 1 into the optical drive. Insert the Product Recovery Disk 1 into

Hard-disk password There are two hard-disk passwords (HDPs): v User HDP—for the user v Master HDP—for the system administrator, wh

For models supporting the Passphrase function, press F1 while the POP icon is appearing on the screen; then enter the POP. For th

Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Sc

v The ring indicator (RI) is signaled by a serial device or a PC Card device. v The time set on the resume timer elapses. N

Symptom-to-FRU index This section contains following information: v “Numeric error codes” v “Error messages” on page 43 v “Beep s

Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0187EAIA data access error—The access to EEPROM

Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0250System battery error—System battery is dead.

Contents About this manual . . . . . . . . . .v Safety information . . . . . . . . . .1 General safety . . . . . . .

Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 1804Unauthorized WAN card is plugged in—Power of

Error messages Table 2. Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Default

Beep symptoms Table 3. Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD.

LCD-related symptoms Table 5. Minimum quantity of defective pixels required for LCD replacement on June 2006 or later manufactured

Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware

ThinkPad T61 and T61p (15.4-inch widescreen) This chapter presents following product-specific service references and product-specific par

Table 7. Specifications (continued) Feature Description Display v 15.4-inch, 16M colors, WXGA (1280 × 800 resolution) TFT color LCD v

Table 7. Specifications (continued) Feature Description PCI Express Mini Card v ThinkPad 11a/b/g Wireless LAN Mini PCI Express Adapte

Status indicators The system status indicators show the status of the computer, as follows: 1 2 3 4 5 6 7 8 9 1011 8910 50 ThinkPad

Table 8. Status indicators Indicator Meaning 1 Wireless status Green: The wireless feature (the IEEE 802.11 standard or IEEE 802.11n)

Overall . . . . . . . . . . . . . . 124 LCD FRUs . . . . . . . . . . . . . 151 Keyboard . . . . . . . . . . .

Table 8. Status indicators (continued) Indicator Meaning 11 Ultrabay Slim status Green: An Ultrabay Slim device is installed and in

FRU tests The following table shows the test for each FRU. Table 9. FRU tests FRU Applicable test System board 1. Diagnostics --&

Table 9. FRU tests (continued) FRU Applicable test Diskette drive 1. Diagnostics --> Diskette Drives 2. Interactive Tests -->

Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 10. Fn key combina

Table 10. Fn key combinations (continued) Key combination Description Fn+F7 Apply a presentation scheme directly, with no need to sta

Table 10. Fn key combinations (continued) Key combination Description Fn+Spacebar Enable the FullScreen Magnifier function. Fn+PrtSc Has

FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before repl

Retaining serial numbers This section includes the following descriptions: v “Restoring the serial number of the system unit” v “R

Reading or writing the ECA information Information on Engineering Change Announcements (ECA) are stored in the EEPROM of the system

Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to obs

About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad T61 and T61p (1

1010 Battery pack DANGER Table 11. Removal steps of battery pack Unlock the battery release lever 1. Holding the battery releas

1020 Ultrabay Slim device Table 12. Removal steps of Ultrabay Slim device When you release the switch in step 1, the lever pop

1030 Hard disk drive (HDD) cover, HDD and HDD rubber rails or solid state drive (SSD) and storage converter For access, remove thi

Table 13. Removal steps of HDD cover, HDD and HDD rubber rails or SSD and storage converter (continued) HDD and HDD rubber rails:5

1040 Palm rest or palm rest with fingerprint reader For access, remove this FRU in order: v “1010 Battery pack” on page 62 Tabl

Table 14. Removal steps of palm rest (continued) 3 When installing: When you attach the palm rest, do as follows: Table 15. Insta

Table 15. Installation of the palm rest (continued) 3. Push the front side of the palm rest until it clicks into place. 4. Close

1050 DIMM For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest with finger

1060 Keyboard For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest with fi

Table 17. Removal steps of keyboard (continued) When installing: Make sure that the keyboard edges a are under the frame as shown

vi ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual

1070 Modem daughter card (MDC-1.5) For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest

Table 18. Removal steps of MDC-1.5 (continued) Turn the card over 4, and detach the modem connector 5.45 When installing: Make

1080 PCI Express Mini Card for 802.11 a/b/g wireless LAN For access, remove these FRUs in order: v “1010 Battery pack” on page

Table 19. Removal steps of PCI Express Mini Card for 802.11 a/b/g wireless LAN (continued) 3 When installing: Plug the gray cable

1090 PCI Express Mini Card for 802.11 a/b/g/n wireless LAN For access, remove these FRUs in order: v “1010 Battery pack” on page

Table 20. Removal steps of PCI Express Mini Card for 802.11 a/b/g/n wireless LAN (continued) 3 When installing: Plug the gray cable

1100 Wireless USB adapter For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm

Table 21. Removal steps of wireless USB adapter (continued) 4 ThinkPad T61 and T61p (15.4-inch widescreen) 79

1110 Backup battery DANGER For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or pal

1100 SIM card slot For access, remove these FRUs, in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest

Safety information This chapter presents following safety information that you need to be familiar with before you service a ThinkPad

1130 Keyboard bezel For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest w

Table 24. Removal steps of keyboard bezel (continued) 5532344 In step 2, release the wireless antenna cables from the cable guide.

1140 PCI Express Mini Card for wireless WAN For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040

Table 25. Removal steps of PCI Express Mini Card for wireless WAN (continued) 3 Cable routing: When you install the the card, rout

1150 Speaker assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest

Table 26. Removal steps of speaker assembly (continued) For Vodafone wireless WAN models: When replacing the speakers, reuse the ferr

1160 Fan assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest wit

Table 27. Removal steps of fan assembly (continued) 44455 Step Screw (quantity) Color Torque 4 M2 × 9.5 mm, flat-head, nylon-coated

Table 28. Installation of the fan assembly When installing: v Before you attach the fan assembly to the computer, apply thermal g

1170 CPU For access, remove these FRUs in order: v “1010 Battery pack” on page 62 v “1040 Palm rest or palm rest with fingerp