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User Manual - Page 5
... password . . . . 57 Power management 59 Screen blank mode 59 Standby mode 59 Hibernation mode 60 Symptom-to-FRU index 61 Numeric error codes 61 Error messages 65 Beep symptoms 66
© Copyright Lenovo 2009
No-beep symptoms 66 LCD-related symptoms 67 Intermittent problems 68 Undetermined problems 68
Specifications 69
Status indicators 71
Fn key combinations 75
FRU replacement...
User Manual - Page 47
....lenovo.com/support 2.
Strategy for replacing FRUs
Before replacing parts: Make sure that show the FRU removals or replacements for the Lenovo® authorized service technicians are installed before completing the service action. Go to use error message" on page 40 v "Strategy for replacing FRUs for replacing a hard disk drive" on the customer support site http://www.lenovo.com/support...
User Manual - Page 51
... checkout guide, be replaced because of the machine and the FRU part number are servicing sequence might not apply to replace a nondefective FRU.
© Copyright Lenovo 2009
43 "Lenovo System Toolbox" on page 48 - v Replace a FRU only with another FRU of reasons that supports the PC-Doctor® for DOS" on removing and replacing
FRUs. Consider replacing a FRU only when a problem...
User Manual - Page 56
... Drive
Lenovo System Toolbox
Lenovo System Toolbox is attached to the
ThinkPad Notebook, detach it. 4. FRU tests
The following table shows the test for them, and to get access to the computer while the test is available at the following Web site: http://www.lenovo.com/support
To install the latest Lenovo System Toolbox on the computer, follow the instructions on...
User Manual - Page 64
... can use it to get access to complete the Windows setup. Attention: If the SVP has been forgotten and cannot be used for a scheduled fee. If any ThinkPad Notebook: the power-on page 57. The computer does not start until the password is booted. If no service procedure to the
hard disk even if the user...
User Manual - Page 65
... models supporting the Passphrase function, press F1 while HDP icon is known by the servicer: 1. Reinstall the backup battery and the battery pack.
(B) If an SVP has been set : 1. Type the current SVP in the Setup confirmation window, select Yes. Remove the backup battery. The POP has been removed. 5. Note: To check whether the ThinkPad Notebook you...
User Manual - Page 69
..., go to "Intermittent problems" on page 68
The symptom-to-FRU index in POST or system operation. 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. A numeric error is listed first, in the computer.
Run BIOS Setup Utility. Symptom-to...
User Manual - Page 71
... 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 plugged in the computer. Remove the WAN card that you installed.
2. Charge the backup battery for more than 8 hours by running BIOS Setup Utility.
0260 System timer error.
1. System board.
1802 Unauthorized...
User Manual - Page 72
...) may not function correctly on this system, with an old firmware, the customer needs to update its firmware to the computer.
3. Remove the Wireless USB card that the latest HDD firmware is not supported by pressing ESC. Ultrabay™ hard disk drive. Reseat the hard disk drive. Numeric error codes (continued)
Symptom or error
FRU or action, in Slot-1.
User Manual - Page 74
...password prompt appears. LCD assembly. 3. See "Numeric error codes" on , LCD blank, 1. Four cycles of four short beeps and a blank System board (security chip) screen.
DIMM.
3. A hard-disk password is set...Type the password and press Enter. POST error. Only the cursor appears. System board. Type the password and press Enter.
66 ThinkPad T400s Hardware Maintenance Manual Reseat the...
User Manual - Page 76
... supported by the FRU code. Printer, mouse, and other external devices d. If the problem does not recur, reconnect the removed devices one at least 10 times. 2. Rerun the
test to verify that no defects).
Remove or disconnect all attached devices are installed, or if the system simply is detected, replace the FRU shown by the computer...
User Manual - Page 86
... from EEPROM. Set System Identification. 3.
Select 1. Follow the instructions on the system board was loaded with the serial numbers of the system unit is shown for the Product ID field. the serial number of the system and all major components. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or
later and restart the computer. 2. After...
User Manual - Page 87
... write ECA information, select 1. If the system board is assumed be updated to check for the ECA application. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or
later, and restart the computer. 2. Insert the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or
later, and restart the computer. 2. Note: Only the ECA number is created and written. If...
User Manual - Page 153
... of these types of a unique configuration) should be used for all models ending in U. Optional-service CRUs These CRUs are isolated parts within the computer that the part is visible. v FRUs marked with specific models listed and described as options.
© Copyright Lenovo 2009
145 Examples of the service parts. v FRU with OP are concealed by an access panel that...
User Manual - Page 179
... for maintenance diskette
05K9283
USB floppy diskette drive tool kit
27L3452
Test card for integrated Smart Card
42W7820
LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later
-
Common service tools
Table 53. Parts list-Common service tools
Tool
P/N
Screwdriver kit
95F3598
1/4″ drive spinner handle
1650840
1/4″ Sq. Note: Download the file from the...
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