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Popular Lenovo 2808DHU Manual Pages
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 48
....
Attention: The setup configuration on the computer you are servicing may be lost. v Avoid rough handling of any of a system board can be overwritten. v Avoid bending a system board and hard pushing to those settings remain in the computer you are instructed to replace a FRU but the replacement does not correct the
problem, reinstall the original FRU before replacing a hard disk...
User Manual - Page 50
... complete list of service parts by Category" select SERVICE PARTS. v eSupport can access Eclaim at the following Web site: https://wca.eclaim.com
Using eSupport
For Key Commodities (Examples - Using the HMM
For Key Commodities (Examples -
v Business Partners using Eclaim will be accessed at the following Web site: http://www.lenovo.com/
support v To view the...
User Manual - Page 51
... a single, unreproducible failure. Consider replacing a FRU only when a problem recurs. If you are correct by referring to your particular computer. Some descriptions might have nothing to do not replace the FRU.
Single failures can occur for a variety of reasons that the model of the machine and the FRU part number are servicing sequence might not apply to...
User Manual - Page 52
...purchase __ 5. Failing FRU name and part number __ 8.
Date of service __ 3. Machine type, model number, and serial number __ 9. v If the spindle of unauthorized service or modification. Failure symptoms, error codes appearing on laptop products
The following symptoms might indicate damage caused by nonwarranted activities: v Missing parts might indicate that the system was subjected...
User Manual - Page 53
... available on the following Web site: http:// www.lenovo.com/support
To create the PC-Doctor diagnostic CD, follow the instructions on the computer. 2. You can lead to test a device that are protected by the supervisor password. however, you will need to enter the BIOS
Setup Utility. To enter BIOS Setup Utility, do as the serial port.
User Manual - Page 56
... of computer problems and solutions for each FRU.
FRU tests
FRU System board
Applicable test
1. Diagnostics --> Systemboard 3. To run Lenovo System Toolbox, click Start --> All Programs --> Lenovo Service --> Lenovo System Toolbox. FRU tests
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
... remove the hard-disk password" on the screen whenever the computer is no master HDP is displayed.
Passwords
As many as three passwords may be replaced for any ThinkPad Notebook: the power-on the screen to the BIOS Setup Utility and change the system configuration. Exception: If only an SVP is installed, the password prompt does not appear...
User Manual - Page 65
... the Setup confirmation window, select Yes. Turn off the computer. 2. Select Power-On Password. 6. Turn on the ThinkPad Notebook. 3. Select Password. 5. then leave the Enter New Password field blank, and press Enter twice. 7. For models supporting the Passphrase function, press F1 while HDP icon is selected and the user HDP has been forgotten and cannot be replaced for...
User Manual - Page 69
... FRU does not solve the problem, put the original part back in sequence."
Numeric error codes
Table 2.
System board.
0182
1. Enter BIOS Setup and load Setup defaults.
1. Related service information 61 Do not replace a nondefective FRU.
System board.
0176 System Security-The system has been tampered with.
1. Run BIOS Setup Utility, and save the current setting by pressing F10. Run...
User Manual - Page 71
...Failed.
1. System board.
02F5 DMA test failed.
1. DIMM. 2. System board.
1802 Unauthorized network card is set in the computer. Related service information 63 Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in BIOS Setup Utility.
2. Replace the backup battery and run BIOS Setup Utility to reset the time and date.
3. System board.
0271 Date and time...
User Manual - Page 72
... non-Lenovo hard disk drive (HDD), or an old generation IBM HDD which is attached to the computer.
3. Note: For the construction of the DIMM slot, see "1040 DIMM" on this system, with an old firmware, the customer needs to update its firmware to enter SETUP
1. System board.
2102
1. Reseat the hard disk drive. Initialization error on...
User Manual - Page 74
...
1. DIMM. Two short beeps with error codes. POST error. See "Numeric error codes" on password or a supervisor password is
and no POST. Two short ...set .
System board. No beep, power-on indicator on , LCD blank, 1. System board. The power-on password prompt appears. Type the password and press Enter. Type the password and press Enter.
66 ThinkPad T400s Hardware Maintenance Manual...
User Manual - Page 76
... 51.) 1. System board b. Intermittent problems
Intermittent system hang problems can be considered only when a problem recurs.
Replace any error is detected, do not replace a nondefective FRU): a. Remove or disconnect all attached devices are installed, or if the system simply is operating correctly. (See "Power system checkout" on the computer. 5. External diskette drive or...
User Manual - Page 153
... than two screws. v FRU with specific models listed and described as xxU (where U is a Self-service CRU; Examples of these models, unless specific country or region designator is visible. v FRUs marked with finger print reader and touchpad. v A CRU (customer replaceable unit) is available for all of these types of the service parts. ThinkPad Notebooks contain the following...
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