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Thread: No Screen displayed for IBM P70 - Suggestions to troubleshoot??

  1. #1

    Default No Screen displayed for IBM P70 - Suggestions to troubleshoot??

    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
    Atari Falcon 030/FX-1 CF & SD 14mb, Atari MSTE, Atari PS3000, STACY 4 /w UltraSatan SD, 4160STE-CosmosEX, Atari PC1-PCH204-2xPCF-551-PCM124, 1040STFM, 1040STF, 520ST(4mb, 16mhz), 400-48K & std kybrd, 800, 600XL, 800XL, 1200XL(256 Rambo,svideo,31-OS,APE upgrade), 130XE, XEGS, matching peripherals for all,
    Apple llGS ROM 3-4mb-CF HD, C64, 4+, IBM XT 5160, IT 99/4+, TRS80-4P, Amiga 500,

  2. #2

    Default

    No one has any experience with these?
    Atari Falcon 030/FX-1 CF & SD 14mb, Atari MSTE, Atari PS3000, STACY 4 /w UltraSatan SD, 4160STE-CosmosEX, Atari PC1-PCH204-2xPCF-551-PCM124, 1040STFM, 1040STF, 520ST(4mb, 16mhz), 400-48K & std kybrd, 800, 600XL, 800XL, 1200XL(256 Rambo,svideo,31-OS,APE upgrade), 130XE, XEGS, matching peripherals for all,
    Apple llGS ROM 3-4mb-CF HD, C64, 4+, IBM XT 5160, IT 99/4+, TRS80-4P, Amiga 500,

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