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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
... go to the checkout guide, be sure to the FRU parts list. If you replace a FRU, make sure that the model of reasons that supports the PC-Doctor® for DOS diagnostics program. "Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)" on page 48 - "PC-Doctor for a variety of the machine and the FRU part number are servicing sequence might have...
User Manual - Page 56
... Services --> Lenovo System Toolbox.
It 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
... and Drivers Recovery Disc (one disc) This disc restores the Microsoft® Windows operating system. To restore the computer to the original factory configuration using the recovery disc set of time depends on the screen to select Startup → Boot. Select the CD/DVD drive as updates to complete the Windows setup.
Follow the
instructions on...
User Manual - Page 66
... are servicing supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. The Master + User mode requires two HDPs; If it has, it can be used for the HDP: User only and Master + User. For how to remove the POP, see "1010 Battery pack" on the ThinkPad Notebook. 3.
For models supporting the Passphrase...
User Manual - Page 67
... cannot be replaced for a scheduled fee. then, in the Enter Current Password field. When the ThinkPad logo comes up window opens. 6. Select Password. 5. Related service information 59 Select Power-On Password. 6. Press F10;
To remove a user HDP that has been forgotten, when the SVP and the master HDP are servicing supports the Passphrase function, enter the BIOS Setup Utility...
User Manual - Page 70
... does not solve the problem, put the original part back in the ThinkPad Notebooks, see the manual for each error detected in the EEPROM is not correct.
2.
System board.
0182
1. Enter BIOS Setup and load Setup Enter to load the default setting. Do not replace a nondefective FRU. Note: For a device not supported by pressing F10.
2. in POST or system operation...
User Manual - Page 72
.... 2. in BIOS Setup Utility.
2. Numeric error codes (continued)
Symptom or error
FRU or action, in the computer. Replace the backup battery and run BIOS Setup Utility to reset the time and date.
0251 System CMOS checksum bad- Replace the backup battery and run BIOS Setup Utility to reset the time and date.
0252 Password checksum bad-The password is dead.
1. System...
User Manual - Page 73
...that you set up for the authentication.
1830 Invalid memory configuration-Power off and install a memory module to Slot-0 or the lower slot. Related service information ... old firmware, the customer needs to update its firmware to the ThinkPad Notebook.
2.
Reseat the hard disk drive. System board.
2110
1.
disk drive)
3. Numeric error codes (continued)
Symptom or error
FRU or...
User Manual - Page 75
... press Enter. Three short beeps, pause, three more short beeps, and one short beep.
2.
System board. See "Numeric error codes" on , LCD blank, 1.
DIMM.
3. System board. Reseat DIMM. 2.
A hard-disk password is set .
Type the password and press Enter. Beep symptoms
Table 4.
Make sure that every connector is
and no POST. Only the cursor appears...
User Manual - Page 77
... one at a time until you find the failing FRU. 7. LCD assembly
Related service information 69
Verify that the power supply being used at least 10 times. 2. Turn off the computer. 2. Non-ThinkPad devices b. DIMM h. Determine whether the problem has been solved. 6. FRU replacement should be due to a variety of causes that have no defects). If...
User Manual - Page 83
...must have logged on the computer beforehand: v ThinkPad Power Management driver v OnScreen Display Utility v Wireless device drivers
Reserved.
© Copyright Lenovo 2008, 2009
75 Fn key combinations
The following device drivers must be installed on with a function key.
Table 8. If you have the ThinkPad PM device driver installed on the computer.
2.
Fn+F3
Select a power plan...
User Manual - Page 132
...Note: If the computer you are servicing is an LED-backlight LCD model,
you need to...models, you need to apply one or two FCC labels, find duplicates of several kinds. Check the old base cover; if it has one or two FCC labels. When you replace the base cover, you also need to apply the following figure:
1
2
3
4
1a 5
11 6
10
98 7
124 ThinkPad T400 and R400 Hardware Maintenance Manual...
User Manual - Page 157
... Optional-service CRUs These CRUs are isolated parts within the computer that the part is a Self-service CRU; Once the access panel is removed, the specific CRU is available for all models ending ...used for all of these types of the service parts. A single asterisk (*) means that is an Optional-service CRU. ThinkPad computers contain the following lists of CRUs include an...
User Manual - Page 384
... service names may vary.
Trademarks
vary significantly. Actual results may be the same on development-level systems and there is no guarantee that these measurements will be the trademarks or service marks of this document should verify the applicable data for their specific environment. Users of others.
376 ThinkPad T400 and R400 Hardware Maintenance Manual...
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