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View Full Version : IBM 5170 AT PC does not restart (e.g. when CTR+ALT+DEL)



JensK
May 8th, 2017, 02:44 PM
Hi all,

I have a strange problem with my IBM 5170.

If I press CTRL+ALT+DEL in DOS the screen gets black but the PC does not restart.
The same if a DOS program / IBM Diagnose Disk triggers a reboot.
I always have to switch off / on the PC.

Any idea what the cause of the problem could be?

Regards,

Jens

modem7
May 12th, 2017, 04:12 PM
The things that I would try to narrow down the cause:

1. See if the symptom remains after booting with no CONFIG.SYS and no AUTOEXEC.BAT
2. See if the symptom remains after removing all all cards except the video card.
3. Try a different make/model of video card.
4. If a non-IBM BIOS on the 5170 motherboard, try the IBM BIOS.