du kunne måske bruge denne til at lokalisere fejlen
http://www.geocities.com/mbockelkamp/index.htm?dos
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programmet kan udføre disse
1- Saving and restoring the BIOS settings
2- Validating actual settings to saved setttings
3- Deleting the BIOS settings (there are soome strange cases...)
4- Displaying information about the BIOS, BBIOS Extensions and BIOS beepcodes
5- Finding BIOS passwords for Award, Ami, PPhoenix and AST BIOS
6- Finding BIOS universal passwords for Awaard BIOS
7- Dumping the whole BIOS segment to disk
8- Switching the 1st and 2nd level caches oon/off
9- Turning the PC into Suspend or Stand-By mode (requires APM 1.1+)
10- Turning off the PC (requires APM 1.2+)
11- Rebooting the PC (cold/warm/int19)
og det er et Freeware program
jeg har prøvet den af på forskellige bios den kunne dog ikke tage en ibm
og du skal jo finde dine beep codes se under punkt 4 og punkt