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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
... checkout" on removing and replacing
FRUs. v Before replacing any ThinkPad model that supports the PC-Doctor® for DOS" on page 45
- v When you replace a FRU, make sure that the model of reasons that a FRU is defective, clear the error log and run the test again. v Be careful not to your particular computer. "Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)" on page...
User Manual - Page 53
... initialize the computer setup by the supervisor password.
When the ThinkPad logo comes up, immediately press F1 to the USB connector of errors and invalid system responses. 1.
The use of the computer, PC-Doctor might not run PC-Doctor. Note: PC-Doctor for DOS is available on the following Web site: http:// www.lenovo.com/support
To create...
User Manual - Page 56
... Lenovo's System
Health and Diagnostics. It enables you to troubleshoot and resolve problems related to view symptoms of the following Web site: http://www.lenovo.com/support
To install the latest Lenovo ThinkVantage Toolbox (Lenovo System Toolbox) on the computer, follow the instructions on the screen. Windows Vista and Windows XP: Click Start --> All Programs --> Lenovo Services --> Lenovo...
User Manual - Page 64
... or if you use the recovery discs. Follow the
instructions on the computer. Restoring the factory contents by using Recovery Disc Set
When the hard disk drive (HDD) or solid state drive (SSD) is replaced because of time depends on the new drive. Applications and Drivers Recovery Disc (one disc) This disc restores the Microsoft...
User Manual - Page 66
... the hard disk drive. Turn off the computer. 2. then enter the POP. Note: To check whether the ThinkPad Notebook you have forgotten, do the following:
(A) If no SVP has been set . Select Password.
58 ThinkPad T400 and R400 Hardware Maintenance Manual the system administrator enters both in the BIOS Setup Utility. If it has, it can be...
User Manual - Page 67
... has been forgotten and cannot be replaced for a scheduled fee. How to Security --> Password. For models supporting the Passphrase function, press F1 while HDP icon is available on the screen; Press F10. 9. Related service information 59 Turn on the computer. 2. Select Security, using the cursor directional keys to enter BIOS Setup
Utility. then leave the Enter
New...
User Manual - Page 70
... is not correct. Enter BIOS Setup and load Setup defaults.
1. Then save the current setting by diagnostic codes in the ThinkPad Notebooks, see the manual for each error detected in this section lists symptoms and errors and their possible causes. If replacing a FRU does not solve the problem, put the original part back in sequence." A numeric error is not described there, go...
User Manual - Page 72
... 2. System board.
64 ThinkPad T400 and R400 Hardware Maintenance Manual Reset the password by connecting the ac adapter.
2. Run BIOS Setup Utility to reset the time and date.
0252 Password checksum bad-The password is plugged
installed. DIMM. 3. Charge the backup battery for more than 8 hours by running BIOS Setup Utility.
0260 System timer error.
1. Remove the daughter card...
User Manual - Page 73
... reader that you set up within your HDD is available at http://www.lenovo.com/support
2100 Initialization error on a horizontal surface. Table 2. Undock docking station or port replicator if it by this system.
The latest version is supported on this system, with an old firmware, the customer needs to update its firmware to the computer.
3. System board.
1820...
User Manual - Page 75
... assembly. 3. DIMM. POST error. See "Numeric error codes" on , and LCD blank during POST.
1.
Two short beeps and a blank screen.
1. DIMM.
Only the cursor appears.
System board
No-beep symptoms
Table 5. Make sure that every connector is set . DIMM.
3. System board. Reseat DIMM. 2. The power-on , LCD blank, 1. Type the password and press Enter. The...
User Manual - Page 76
... missing pixels.
v Lenovo will not provide replacement if the LCD is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns.
v LCD too dark. System board.
1. LCD assembly.
68 ThinkPad T400 and R400 Hardware Maintenance Manual FRU or action, in sequence System board.
1. See important note for the notebook computer contains many thin...
User Manual - Page 77
... software errors. Undetermined problems
If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed, or if the system simply is operating correctly. (See "Power system checkout" on the computer. 5. Turn off the computer. 2. Battery pack e.
Remove or disconnect all attached devices are supported by the FRU code. Non-ThinkPad...
User Manual - Page 132
... following figure:
1
2
3
4
1a 5
11 6
10
98 7
124 ThinkPad T400 and R400 Hardware Maintenance Manual
Check the old 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 also need to apply one or...
User Manual - Page 157
...may include a memory, a wireless card, a keyboard, and a palm rest with OP are available as xxU (where U is an Optional-service CRU. Other Self-service CRUs depending on page 374
Notes: v Each FRU is specified. v FRU with specific models listed and described as options.
© Copyright Lenovo 2008, 2009
149 ThinkPad computers contain the following lists of the service parts. Once...
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