Lenovo 6290, Hardware Maintenance Manual

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2. Move the system board recovery jumper to the clear position. Refer to
“Identifying parts on the system board” on page 25 or the label inside the
computer for more information.
3.
Place the cover back on the system.
4. Place the BIOS flash recovery diskette in the floppy disk drive.
5. Restore power to the system by plugging in the power cord.
6. During the recovery process, there will be a sequence of short beeps. This
sequence of beeps will be followed by a single long beep and then silence
from the system speaker. During this process there will be no video. After the
last long beep, hold the power button in for approximately ten seconds to
turn the system off.
7. Remove the power cord and cover.
8.
Return the boot block recovery jumper to its original position and replace the
cover.
9. Connect the power cord back to the system and power the system on. When
the system POST tests, it will report several POST errors. These errors can be
ignored. The standard POST/BIOS Update Utility screen will appear after a
pause.
10. Select the desired language from the list and press Enter.
11. Enter the serial number of the system and press Enter.
12. Enter the Machine Type and model number of the system and press Enter.
13.
If a prompt appears stating that the BIOS ROM is older than (or the same as)
the BIOS ROM image, press Y to continue.
14. When the flash programming is complete, remove the diskette from the drive
and press any key to restart the system.
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Hardware Maintenance Manual