I was cleaning up the case of an IBM P70 for a friend. It was working. I booted it up and OS/2 loaded up from the hard drive as it should. I used it for a couple hours, and shut it down. I drove it back to my friends house, about 30 miles. It sat there for a few days. When he booted it up again. he had no screen display. I went back over and yes no screen displayed. The Hard drive sounded and felt like it was load OS/2, but obviously can't confirm. There is no external VGA port on this unit. The floppy drive is bad. It was the classic issue of a couple blown caps on it's pcb. I found this out while cleaning it. It was working with this fault.
This is the first one of these I have working on. Suggestions to trouble shoot the screen?
Many Thanks