hueyjones70 Posted April 25, 2020 Share Posted April 25, 2020 Working on an 800XL and get a very bad video on boot. The computer never does a proper boot. Sometimes I get this screen and sometimes I get no video at all. I have tested every IC on the board with a working board and I cannot find one that is faulty. Any ideas of where I should look. My diagnostic tools consist of a multimeter and a logic probe. Quote Link to comment Share on other sites More sharing options...
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