Search found 2 matches

by KevinL
Tue Feb 02, 2010 6:30 am
Forum: Computer Programming
Topic: Dead DOS computer
Replies: 10
Views: 2348

Re: Dead DOS computer

it's been a little time since I troubleshot one in the field, but you might try pulling the memory to see if the beeps change, even before pulling power cables to hard & floppy drives, no need to pull ribbon cables. I'm trying to remember if the video will display even if no memory is in the motherb...
by KevinL
Wed Jan 20, 2010 9:45 am
Forum: Computer Programming
Topic: Dead DOS computer
Replies: 10
Views: 2348

Re: Dead DOS computer

in most of the computers during the 486 time frame used the 'del' to entry bois setup.. the first thing I still do to service old Dos computer is to first verify the power, min to see is +12 & + 5... -12 is mainly for serial ports... you can start with minimum machine by disconnecting the power to h...