IBM NB1003 - ThinkPad T42 Notebook PC Support and Manuals
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Hardware Maintenance Manual - Page 1
ThinkPad Computer Hardware Maintenance Manual
February 2006
This manual supports: ThinkPad T40/T40p, T41/T41p, T42/T42p
(MT 2373/2374/2375/2376/2378/2379) ThinkPad Dock II (MT 2877)
Hardware Maintenance Manual - Page 3
...-installed system 27 Passwords 28 Power management 32 Checkout guide 35 Testing the computer 35 Detecting system information with PC-Doctor. . . 38 Power system checkout 39
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
43
Product overview 45
Specifications 45
Status indicators 50
FRU tests 53
Fn key combinations 54
Symptom-to-FRU index 58
Numeric error codes...
Hardware Maintenance Manual - Page 7
...troubleshoot problems.
The manual is intended for ThinkPad® T40/T40p, T41/T41p, T42/T42p series (MT2373, 2374, 2375, 2376, 2378, 2379, 2668, 2669, 2678, 2679, 2686, and 2687), and ThinkPad Dock II (MT2877) products. Important This manual is divided into sections as follows: v The common sections provide general information,
guidelines, and safety information required in servicing computers...
Hardware Maintenance Manual - Page 9
...FRUs may alter the settings. Strategy for replacing FRUs
Before replacing parts Make sure that those settings remain in this manual. then, when service has been completed, verify that all diskette fixes are instructed to see if the symptoms change. v Some computers have been customized.
The BIOS and device drivers are customer-installable.
Before replacing the adapter or device...
Hardware Maintenance Manual - Page 31
... servicing sequence might not apply to your particular computer. Name and phone number of a single, unreproducible failure.
Read this first
Before you must include the following information in the parts exchange form or parts return form that the model of reasons that you attach to it: __ 1. v Before replacing any ThinkPad model that a FRU is defective, clear the error...
Hardware Maintenance Manual - Page 35
... BIOS Setup Utility. then, while the "To interrupt
normal startup, press the blue Access IBM button"
General descriptions 29 Enter the SVP. The user must be made available to the servicer, there is no SVP has been set and is known by the servicer:
For T40/T40p, T41/T41p: 1.
LCD models" on the computer; Turn on password
To...
Hardware Maintenance Manual - Page 36
....
30 T40/T40p, T41/T41p, T42/T42p Note: To check whether the ThinkPad computer supports the Passphrase function, enter BIOS Setup Utility and go to recover data from the hard disk drive. Related service information
message is appearing on the screen; For models supporting the Passphrase function, press F1 while POP icon is displayed at the lower...
Hardware Maintenance Manual - Page 37
...: To check whether the ThinkPad computer supports the Passphrase function, enter BIOS Setup Utility and go to move down the menu.
5. Select Yes in the Setup Configuration window. then enter the master HDP.
Select Security, using the cursor keys to Security --> Password. Press F10. 10. Select Password. 6. Enter the master HDP; For models supporting the Passphrase function, press F1...
Hardware Maintenance Manual - Page 41
... problem, you need to false indications of the BIOS Setup Utility before you test one of the computer, PC-Doctor might not run PC-Doctor.
To test a USB device, connect it by use of non-ThinkPad products, prototype cards, or modified options can detect errors by running the diagnostic test or by pressing the
Access IBM...
Hardware Maintenance Manual - Page 43
...Setup Utility, the Diskette Drives test is activated even if no legacy diskette drive is a problem, PC-Doctor shows messages describing it cannot be held down for DOS. If you have an external monitor attached to select. The options on the ThinkPad computer. Full v Memory Test -
v Video Adapter test supports...instructions on the screen. Run the applicable function test.
5. Checkout guide...
Hardware Maintenance Manual - Page 49
... 14.1-in . ThinkPad T40/T40p, T41/T41p, T42/T42p Series
Product overview 45
Specifications 45
Status indicators 50
FRU tests 53
Fn key combinations 54
Symptom-to-FRU index 58
Numeric error codes 58
Error messages 62
Beep symptoms 63
No-beep symptoms 63
LCD-related symptoms 64
Intermittent problems 65
Undetermined problems 65
FRU replacement notices 66...
Hardware Maintenance Manual - Page 64
... most likely cause is listed first, in sequence." This index can be replaced next. Note For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in POST or system operation. Run BIOS Setup Utility, and save the current setting by pressing F10.
2. System board.
0177 Bad SVP data, stop POST...
Hardware Maintenance Manual - Page 67
... plugged in Access IBM Predesktop Area.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 61 Set this item to the computer.
2. Save and exit.
2. If item 2 failed, press F3 in the Welcome screen in Access IBM Predesktop Area again.
4. If item 4 failed, replace the hard disk drive.
1. Remove the daughter card that you installed.
2. Run Diagnostics --> Other...
Hardware Maintenance Manual - Page 69
... blank, and no POST.
1. Two short beeps and a blank screen.
1.
DIMM. 3. The power-on page 58.
Start the ThinkPad Configuration program and set . Reseat the LCD connector.
2. System board.
POST error. See "Numeric error codes" on password prompt appears. Three short beeps, pause, three more short beeps, and one short beep.
1.
No beep, power-on indicator...
Hardware Maintenance Manual - Page 71
... verify that the power supply being used at a time (do the following devices:
a. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Non-ThinkPad devices b. DIMM h.
Verify that no more errors exist. Battery pack e. If the problem remains, replace the following FRUs one at least 10 times. 2. Verify that have nothing to do...
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