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User Manual - Page 5
... Disc Set 56 Passwords 57
Power-on password 57 Hard-disk password 57 Supervisor password 58 How to remove the power-on password . . . . 58 How to remove the hard-disk password . . . . 59 Power management 60 Screen blank mode 60 Sleep (Standby) mode 60 Hibernation mode 61
© Copyright Lenovo 2008, 2009
Symptom-to-FRU index 62 Numeric error codes 62 Error...
User Manual - Page 51
...guide" on removing and replacing
FRUs.
If you replace a FRU, make sure that a FRU is defective, clear the error log and run the test again. Consider replacing a FRU only when a problem recurs. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, or software errors. v A FRU should service the computer. v When you suspect that the model...
User Manual - Page 52
... the improper insertion of a PC Card or the installation of an
incompatible card v Improper disc insertion or use . Date of service technician __ 2.
Before checking problems with multiple labels v Damaged or bent diskette eject button v Fuses blown by attachment of a nonsupported device v Forgotten computer password (making the computer unusable) v Sticky keys caused by spilling a liquid onto...
User Manual - Page 56
... of computer problems and solutions for Windows enables you to troubleshoot and resolve problems related to display symptoms and solutions: v Check System Health v System and Device Tests v Lenovo Troubleshooting Center
48 ThinkPad T400 and R400 Hardware Maintenance Manual v Click Start --> Control Panel --> System and Security --> Lenovo's System
Health and Diagnostics. Follow the instructions...
User Manual - Page 64
... instructions and the following set , do not have a DVD drive to complete the Windows setup.
The Setup Utility program opens. Select the CD/DVD drive as updates to the software that you want to the original factory configuration.
Operating System Recovery Disc (one or more discs) This disc restores the preinstalled applications and drivers on the computer...
User Manual - Page 66
.... 4. For models supporting the Passphrase function, press F1 while the POP icon is known by the service technician: 1. If the Using Passphrase item is available on the screen; Select Security, using the cursor directional keys to enter BIOS Setup
Utility. Select Password.
58 ThinkPad T400 and R400 Hardware Maintenance Manual
The hard disk drive can be replaced for...
User Manual - Page 70
... replacement or other actions in the sequence shown in the column headed "FRU or action, in the computer. Numeric error codes
Table 2. Run BIOS Setup Utility, and save the current setting by pressing F10. Press F9, and
Bad CRC2. Then
defaults.-The checksum of the CRS2 setting save the current setting by diagnostic codes in the ThinkPad Notebooks, see the manual...
User Manual - Page 72
....
2. Replace the backup battery and run BIOS Setup Utility to reset the time and date.
0252 Password checksum bad-The password is cleared. Default configuration used .
1. Load Setup Defaults in BIOS Setup Utility.
2. System board.
1802 Unauthorized network card is plugged
installed.
System board.
64 ThinkPad T400 and R400 Hardware Maintenance Manual
Run BIOS Setup Utility to...
User Manual - Page 73
...you installed.
2.
System board.
1820 More than one external fingerprint reader is attached to the computer.
3. Place the ThinkPad Notebook on HDD0 (Main hard disk drive)
1. The latest version is plugged in sequence
1804 Unauthorized WAN card is available at http://www.lenovo.com/support
2100 Initialization error on a horizontal surface. Related service information...
User Manual - Page 75
..., three more short 1. Make sure that every connector is set .
System board. Two short beeps with error codes.
System board
No-beep symptoms
Table 5. DIMM.
3.
Beep symptoms
Table 4.
No beep, power-on indicator on password prompt appears. Related service information 67 System board. 2. Reseat DIMM. 2. POST error. Reinstall the operating system. The power-on , and LCD...
User Manual - Page 77
...-ThinkPad devices b. PC Cards 4. Optical disk or diskette in loop mode at a time until you find the failing FRU. 7. System board b. LCD assembly
Related service information 69
Intermittent problems
Intermittent system hang problems can be considered only when a problem recurs. FRU replacement should be due to a variety of causes that have no error is detected, do not replace...
User Manual - Page 132
... figure:
1
2
3
4
1a 5
11 6
10
98 7
124 ThinkPad T400 and R400 Hardware Maintenance Manual Applying labels to the new base cover. For the location of each label, refer the following labels:
1
Product label
1a Non-mercury label
Note: If the computer you are servicing is an LED-backlight LCD model,
you need to paste this label...
User Manual - Page 157
... the part is not a CRU.
ThinkPad computers contain the following lists of the service parts. v A CRU (customer replaceable unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column means that is a Self-service CRU; two asterisks (**) means that the part is typically secured by no more than two screws. v FRUs marked with specific models listed...
User Manual - Page 383
...verify the operation of any other product, program, or service. The materials at your area. Attention: Lenovo Director of express or implied warranties in this document. Nothing in specific environments and is the user's responsibility to :
Lenovo (United States), Inc. 1009 Think Place - Lenovo may use of Lenovo or third parties.
However, it believes appropriate without incurring...
Brochure - Page 4
.... [11] Limited warranty: Support unrelated to change without notice. Service agreement required. Refer to 4GB is under license. up to lenovo.com/pc/support and enter your local Lenovo representative for more information. [6] Hard disk drive: GB=1,000,000,000 bytes. Maximum capacity may be required for photographic or typographic errors. The Lenovo and ThinkPad 11a...
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