Lenovo MT 1873 Instrukcja Użytkownika

ThinkPad ComputerHardware Maintenance Manual July 2005This manual supports:ThinkPad T43ThinkPad Dock II (MT 2877)(MT 1871/1872/1873/1874/1875/1

Strategy for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. Attention: The

When installing: 1. Place the keyboard bezel so that the three latches are fixed in place 1.1 While inserting the three latche

2. Press the left edges 2 and the front edges 3 of the keyboard bezel until the latches are snapped.3322 3. Attach the

4. Secure the keyboard bezel from the underside of the computer with the screws b and c.b1b ccc2c 5. Attach the keyboa

6. Secure the keyboard bezel from the underside of the computer with the screw d. This screw cannot be fastened properly withou

1120 Mini PCI adapter For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 B

334When installing: 1. Plug the gray cable to jack M, and the black cable to jack A. 2. Insert the notched end of the card

1130 Fan assembly For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 Batter

Important In step 2, insert the tip of the tool horizontally between the fan assembly and the CPU, as indicated by arrow a. Th

Important In step 2a and 2b, be careful not to damage the copper plate of the fan assembly. Step 2a is for the fan assembly

43When installing: v Before you attach the fan assembly to the computer, apply thermal grease on the part marked a as in the f

v The HMM will have the 4-digit MT and 3-digit CTO model only (Example: 1829-CTO). Again, CMVs are custom models and are not fo

1140 Backup battery DANGER For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v

2When installing: Make sure that the battery connector 2 is firmly attached. Removing and replacing a FRU ThinkPad T43 Series 105

1150 Speaker assembly For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 Ba

In step 3, release the speaker cables from the cable guide. 423 When installing: Make sure that the connector 4 is firmly att

1160 Keyboard bezel (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on p

323aabaStep Screw (quantity) Color Torque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) In step 3, make sur

1170 PC Card/ExpressCard slots (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD mod

2When installing: Make sure that the connector on the underside of the PC Card/ExpressCard slots 2 is firmly attached, and then s

1180 PC Card/ExpressCard slots (15.0-in. LCD models) For access, remove these FRUs in order: v “1020 Battery pack (15.0-in. LCD mod

23Step Screw (quantity) Color Torque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 4 When installing: Make

v eSupport can be used to view the list of key commodities built in a particular machine serial (this is the same record found

1190 LCD assembly (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on pag

342Step Screw (quantity) Color Torque 2 M2 × 14 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) After removing the screw,

5Step Screw (quantity) Color Torque 5 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) (continued) Removing and rep

Release the antenna cables from the cable guide 6. 666666 When installing: Make sure that the antenna cables are correctly route

77When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the

1200 LCD assembly (15.0-in. LCD models) For access, remove these FRUs in order: v “1020 Battery pack (15.0-in. LCD models)” on pag

23Step Screw (quantity) Color Torque 2 M2 × 12 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) When installing: Make sur

44Step Screw (quantity) Color Torque 4 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) (continued) Removing and re

Release the antenna cables from the cable guide 5. 55555 When installing: Make sure that the antenna cables are correctly routed

66When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the

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

1210 CPU For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1040 Hard disk driv

1220 Ultrabay Slim guide rail assembly (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in.

45433Step Screw (quantity) Color Torque 3 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) 4 M2 × 3 mm, small-h

1230 Ultrabay Slim guide rail assembly (15.0-in. LCD models) For access, remove these FRUs in order: v “1020 Battery pack (15.0-in.

54333Step Screw (quantity) Color Torque 3 M2 × 10 mm, flat-head, nylon-coated (5) Black 0.245 Nm(2.5 kgfcm) 4 M2 × 3 mm, small-h

Separate the Ultrabay Slim guide rail assembly a and the hard disk drive guide rail b. 66ab Removing and replacing a FRU Thin

1240 VGA and Ultrabay Slim device eject button cable For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD m

546Step Screw (quantity) Color Torque 4 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) When installing: Make sur

1250 System board and base cover (14.1-in. LCD models) For access, remove these FRUs, in order: v “1010 Battery pack (14.1-in. LCD

Important notice for handling the system board: The security chip a is soldered on the underside of the system board as in this

Products marketed before June 2006 Products marketed after June 2006 Current or original part Replacement FRU Current or original part Repla

Important When handling the system board, bear the following in mind. v The system board has an accelerometer, which can be broken

Before removing the system board, remove the support structure (a) and the cable guide (b). 2213ba When installing: Make sure

54Step Screw (quantity) Color Torque 4 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 5 M2.5 × 4 mm, bind-hea

67cd8Step Screw (quantity) Color Torque 6 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm(2.5 kgfcm) 7 M2 × 10 mm, flat-

10911Step Screw (quantity) Color Torque 9 Hex stud (2) Silver 0.392 Nm(4 kgfcm) 10 M2.5 × 3 mm, bind-head, nylon-coated (1) Gold

Note for sticking a label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace

1260 System board, interposer card, and base cover (15.0-in. LCD models) For access, remove these FRUs, in order: v “1020 Battery

Important notice for handling the system board: The security chip a is soldered on the underside of the system board as in this

Important When handling the system board, bear the following in mind. v The system board has an accelerometer, which can be broken

Remove the support structure a and the EMI bracket b. 32b1a Step Screw (quantity) Color Torque 2 M2 × 10 mm, flat-head, nylo

Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are

547c66Step Screw (quantity) Color Torque 4 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 5 M2.5 × 4.8 mm, bi

8de98Step Screw (quantity) Color Torque 8 M2 × 4 mm, bind-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) In step 9, remove the

10fg121311Step Screw (quantity) Color Torque 10 Hex stud (2) Silver 0.392 Nm(4 kgfcm) 11 M2.5 × 3 mm, flat-head, nylon-coated (1)

Note for sticking a label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace

2010 LCD front bezel (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on

54Removing and replacing a FRU ThinkPad T43 Series 149

2020 LCD front bezel (15.0-in. LCD models) For access, remove these FRUs in order: v “1020 Battery pack (15.0-in. LCD models)” on

32Removing and replacing a FRU ThinkPad T43 Series 151

2030 Inverter card (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on p

Cable routing: When replacing the inverter card, route the connector cable as in this figure: Removing and replacing a FRU ThinkP

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

2040 Inverter card (15.0-in. LCD models) For access, remove these FRUs in order: v “1020 Battery pack (15.0-in. LCD models)” on p

2050 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover (14.1-in. LCD models) For access, remove these

Peel the tape securing the Bluetooth wireless antenna assembly 3. 3 544 Step Screw (quantity) Color Torque 4 M2 × 2.7 mm, s

In step 6, remove the latch bar as in this figure. 6 Lift the latch bar in the direction of the arrow 7, and then remove

9Step Screw (quantity) Color Torque 9 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm(2.5 kgfcm) (continued) Removing and re

Slide the spiral tube binding the antenna cables (10a), and then release the cables from the cable guide (10b). Lift the LCD p

Remove the antenna assembly a and hinges b from the LCD assembly. 15a16b161717b1616 Step Screw (quantity) Color Torque 16 M2

Turn over the LCD panel and strip off the tape 21 securing the FPC (c). Then detach the connector 22 in the direction of t

Remove the right latch from the LCD cover. 2324 Removing and replacing a FRU 162 MT 1871/1872/1873/1874/1875/1876

When installing: Follow these steps when you reassemble the LCD unit. 1. Attach the left latch to the LCD cover.21 (continued) R

(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, rica

2. Paste three gaskets only for the models with Bluetooth wireless features. For the other models, skip this step.41.5 mm68.5 mm95.

6. Route the wireless LAN antenna cables as in the following drawings: a. 3321 (continued) Removing and replacing a FRU ThinkPad

b. 4 4 c. 55 (continued) Removing and replacing a FRU 166 MT 1871/1872/1873/1874/1875/1876

d. Coil the spiral tube round the antenna cables 6.6 e. Slide the spiral tube in the direction shown by arrow 7.7 (con

Move the spiral tube until it reaches at the cable guide of the LCD cover as in this figure. Make sure that the antenna cable i

2060 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover (15.0-in. LCD models) For access, remove these

Release the antenna cables 2. At the parts indicated by arrows a, the antenna cables go through the hinges. When you route the

345666b677bStep Screw (quantity) Color Torque 6 M2 × 3 mm, bind-head, nylon-coated (4) Silver 0.245 Nm(2.5 kgfcm) (continued) Removing

Turn over the LCD panel, and detach the connector 8 in the direction of the arrow. 8 When installing: Make sure that the FPC

91110b129d10aNote: Step 9 is only for the models with the Bluetooth wireless features. For the other models, skip this step. Step

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

Cable routing: When you reassemble the LCD unit, do as follows: At the left-top corner of the LCD unit, route the antenna cable a

Then route the cables to along the cable guides of the LCD cover. When you route the cables around the LCD hinges, do as shown

3010 ThinkPad Dock II PCI cover 121 (Bottom view) Removing and replacing a FRU 176 MT 1871/1872/1873/1874/1875/1876

3020 ThinkPad Dock II top cover 111 (Rear view) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm (3) 0.392 Nm (4 kgfcm) 2222 Ste

33(Bottom view) Step Screw (quantity) Torque 3 M2.5 × 4.8 mm (6) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 178

Make sure that the system lock key A is set to the Unlock position. Release the front latches in step 4, and then remove the

Locations Front view 1 Wireless status indicator 2 Bluetooth wireless status indicator (for some models) 3 System status indicator

12345678916101213141519171811Locations ThinkPad T43 Series 181

Rear view 1 Power status indicators 2 Bluetooth wireless status indicator (for some models) 3 PC Card/ExpressCard eject buttons 

Bottom view 1 Hard disk drive 2 Optional DIMM slot 3 Battery pack 4 Battery pack lock (only for 14.1-in LCD models) 5 Doc

(continuation of safety notice 3) La batteria contiene piccole quantità di nichel. Non smontarla, gettarla nel fuoco o nell’acqua né

Parts list v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer r

Overall 12a2b345671110121316141518a2021221792319bfcde8 Parts list ThinkPad T43 Series 185

No. FRU P/N CRU ID a-f See “Miscellaneous parts” on page 205. 1 LCD unit (see “14.1-in. LCD FRUs” on page 194 and “15.0-in. LCD F

No. FRU P/N CRU ID 4 DVD drive 8x OP v 1871-CTO, 11x, 18x, 48x v 1875-CTO, D1x, D3x HLDS 92P6579 * TEAC 92P5991 * DVD/CD-RW c

No. FRU P/N CRU ID 5 Hard disk drive, 60 GB, 9.5 mm, 5,400 rpm v 1871-CTO, 19x v 1875-CTO, DLx, DMx Fujitsu 13N6915 * HGST 39T

No. FRU P/N CRU ID 8 ThinkPad Integrated 56K Modem (MDC-2) v 1871-CTO, 11x, 12x, 13x, 15x, 16x, 17x, 18x, 19x, 1Gx, 1Hx, 22x, 23x

No. FRU P/N CRU ID 10 Battery pack, Li-ion (6 cell) 4.8 Ah OP v 1871-CTO, 1xx, 2xx, 4xx, 8xx, Cxx, Fxx v 1872-CTO, 1xx, Cxx

No. FRU P/N CRU ID 12 Cover, DIMM slot 13N5667 * 13 Speaker (14.1-in.) v 1871-CTO, 1xx, 4xx, C1x, F1x v 1872-CTO, 1xx, 4xx, C1x

No. FRU P/N CRU ID 14 Intel PRO Wireless 2915ABG Mini-PCI Adapter US v 1871-CTO, 48U, 4BU, 4CU, 86U, C1U v 1872-CTO, C1U v 187

No. FRU P/N CRU ID 17 CPU assembly, Intel Pentium M processor 750 (1.86 GHz) v 1871-CTO, 25x, 26x, 4xx, 8xx, C1x, Fxx v 1872-CTO

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 213.

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

14.1-in. LCD FRUs 1ba2cde367854 Parts list 194 MT 1871/1872/1873/1874/1875/1876

14.1-in. XGA TFT No. FRU P/N CRU ID a-d See “Miscellaneous parts” on page 205. 1 LCD cover kit (WW) v 1871-CTO, 1xx, 4xx, C1x,

15.0-in. LCD FRUs 12536784 Parts list 196 MT 1871/1872/1873/1874/1875/1876

15.0-in. XGA TFT No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) v 1871-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 86x v 1875-CTO, F

15.0-in. SXGA+ IPS TFT Note: Only supported by CTO. No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) 13R2917 N 2 Hinges, 15.0-in.

Keyboard Keyboards for 15.0-in. LCD models Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Arabic 39T0664 39T0725 39T0786 ** 93P4801 9

Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Japanese 39T0644 39T0705 39T0766 ** 93P4781 93P4841 13N9894 Korean 39T0658 39T0719 39T0

Keyboards for 14.1-in. LCD models Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Arabic 39T0540 13N9978 39T0602 ** 08K5065 — 13N9852

Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Korean 39T0534 13N9972 39T0596 ** 08K5059 — 13N9846 Norwegian 39T0527 13N9965 39T0589 0

Recovery CDs Windows XP Professional Windows XP Professional is preinstalled as the operating system in the following models: v 1871-

(continuation of safety notice 4) La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi

Windows XP Home Edition Windows XP Home Edition is preinstalled as the operating system in the following models: v 1871-13x Language

Miscellaneous parts FRU P/N CRU ID Screw kit (including nylon-coated screws): v M2 × 2.7 mm (silver), small head (10) v M2 × 3

FRU P/N CRU ID Base miscellaneous parts (15.0-in. LCD models): v Cover, PC Card slot v Spring, PC Card slot cover v Rubber foot

FRU P/N CRU ID System miscellaneous parts (15.0-in. LCD models): v Cable, RJ11-docking connector on system board v DC in cable v

FRU P/N CRU ID LCD miscellaneous parts (14.1-in. LCD models): v Tape, LCD FPC v Tape on Bluetooth wireless antenna v (a) LCD la

Optional FRUs FRU P/N CRU ID Hard disk drive, 80 GB, 9.5 mm, 4200 rpm, IBM STD 08K9863 * Ultrabay Slim hard disk drive adapter 62P

Common parts list Tools Tool P/N Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable

Power cords (system) An IBM power cord for a specific country or region is usually available only in that country or region: For 2

Power cords (ThinkPad Dock II) A ThinkPad power cord for a specific country or region is usually available only in that country or

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

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

and is presented as an illustration. The result obtained in other operating environments may vary. Lenovo may use or distribute any

Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo Rescue and Recovery

Part Number: 39T6193 (1P) P/N: 39T6193

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

Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to b

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

Safety information The following section presents safety information with which you need to be familiar before you service a ThinkPad

v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defecti

– Ensure that another person, familiar with the power-off controls, is near you. Attention: Another person must be there to swit

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

Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information

8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.Handling devices that are

– Use the round ground prong of the ac plug on ac-operated computers.Grounding requirements Electrical grounding of the computer is

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

If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CAUTION: Opening the CD-ROM drive,

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.

General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor® for DOS diagnostics program.

__ 2. Date of service __ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Failure symptoms, error codes a

Related service information This section provides information about the following: v “Service Web site” v “Restoring the pre-install

5. If you get a message asking which operating system to install, select the proper operating system and press Enter. 6. A mess

information stored in the BIOS Setup Utility. The user must enter the SVP in order to get access to the BIOS Setup Utility and c

FRU replacement notices . . . . . . . . .67 Screw notices . . . . . . . . . . . .67 Retaining serial numbers . . . . .

5. Select Password. 6. Select Power-On Password. 7. Type the current SVP in the Enter Current Password field. then leave the E

10. Select Yes in the Setup Configuration window. Both user HDP and master HDP will have been removed.Power management To reduce p

Note for the APM operating system:Even if you do not set the low-battery alarm, the charge indicator notifies you when the battery

To cause the computer to enter hibernation mode, do any of the following: v Press the Fn+F12 keys. v If you are using the APM

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

3. Authenticating the digital signature takes about 15 seconds; then the ThinkPad computer will reboot into PC-DOS. 4. A batch fi

The options on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocesso

To cancel the test, press Esc.Note: After running PC-Doctor, check the time and date on the system and reset them if they are i

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

Rear view . . . . . . . . . . . . . 182 Bottom view . . . . . . . . . . . . 183 Parts list . . . . . . . . . .

Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +11.0 V

ThinkPad T43 Series Product overview . . . . . . . . . . . .47 Specifications . . . . . . . . . . . .47 Status indicator

1240 VGA and Ultrabay Slim device eject button cable . . . . . . . . . . . . . 130 1250 System board and base cover (14.1-i

Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 50 v

Feature Description Optional memory v 256-MB DDR2-533 SDRAM SO-DIMM (PC2-4200) card × 1 v 512-MB DDR2-533 SDRAM SO-DIMM (PC2-4200)

Feature Description Mini PCI adapter v Intel PRO Wireless 2200BG Mini-PCI Adapter v Intel PRO Wireless 2915ABG Mini-PCI Adapter PC

Status indicators The system status indicators show the status of the computer, as follows: 22232425262728291 283 Product overview 50

Indicator Meaning 1 Ultrabay Slim status Green: An Ultrabay Slim device is installed and in use. Blinking green: An Ultrabay Slim devi

Indicator Meaning 5 Drive in use Green: Data is being read from or written to the hard disk drive, the diskette drive, or the dri

FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2

vi MT 1871/1872/1873/1874/1875/1876

FRU Applicable test Memory 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Memory Test—Quick. 2. If

Fn key combinations The following table shows the function of each combination of Fn with a function key. Key combination Description

Key combination Description Fn+F7 Switch a display output location v External monitor (CRT display) v Computer display and external

Key combination Description Fn+F9 Open the ThinkPad EasyEject Utility screen. Buttons for the following choices are displayed: v Eject

Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cau

Symptom or error FRU or action, in sequence 0185Bad startup sequence settings. Enter BIOS Setup and load Setup defaults. 1. Run BIO

Symptom or error FRU or action, in sequence 0220Monitor type error—Monitor type does not match the one specified in CMOS. Load Setup

Symptom or error FRU or action, in sequence 1803Unauthorized daughter card is plugged in—Turn off and remove the daughter card. 1.

Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in the BIOS Setup Ut

Symptom or error FRU or action, in sequence Cannot boot from any device. Check the status of device which you want to boot from.

About this manual This manual contains service and reference information for ThinkPad® T43 series (MT 1871, 1872, 1873, 1874, 1875, an

Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD co

LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The presence of a sma

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

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

v Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in

Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and

3. To write ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction. 4. To write box build d

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

1010 Battery pack (14.1-in. LCD models) DANGER 1 (continued) Use only the battery specified in the parts list for your computer.

Holding the battery release lever in the unlocked position 2, remove the battery pack 3. 23 When installing: Install the batte

2 MT 1871/1872/1873/1874/1875/1876

1020 Battery pack (15.0-in. LCD models) DANGER Holding the battery release lever in the unlocked position 1, remove the battery

1030 Ultrabay Slim device Note Ultrabay Slim does not accept any of the following devices: v Ultrabay Plus devices v Ultrabay 200

1040 Hard disk drive Attention v Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sen

2334When installing: Make sure that the hard-disk connector is attached firmly. Removing and replacing a FRU ThinkPad T43 Series 77

1050 DIMM (optional) For access, remove this FRU: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 Battery pack (

433When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into

1060 Keyboard For access, remove this FRU: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 Battery pack (15.0-in.

Press the part indicated by the arrow 2 in the direction of the arrow. This releases the latches of the keyboard from the frame

When installing: 1. Attach the connector 1.1 2. Make sure that the keyboard edges, marked a in the figure, are under the

3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your fingers and try to slide

Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers a

1070 DIMM (standard) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v “1020 Bat

1080 Modem daughter card (MDC-2) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on page 72 v

Turn the card over 3, and detach the modem connector 4. 34 When installing: Make sure that connector 4 and the connector on

1090 Bluetooth/Modem daughter card (BMDC-3) For access, remove these FRUs in order: v “1010 Battery pack (14.1-in. LCD models)” on

Turn the card over 3, and detach the modem connector 4. Then, unplug the jack by using the removal tool antenna RF connector

1100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Battery

3a311112Step Icon Screw cap Screw (quantity) Color Torque 1 1 M2 × 4 mm, small-head, nylon-coated (4) Black 0.245 Nm(2.5 kgfcm) 2 2

For a model with a touch pad, detach the touch pad connector by pulling the tab with your fingers in the direction of arrow 4.

1110 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-in. LCD models) For access, remove these FRUs in order: v “1020

22222Step Icon Screw (quantity) Color Torque 2 2 M2 × 14 mm, bind-head, nylon-coated (6) Black 0.245 Nm(2.5 kgfcm) 34 Removing an