Problem with Risc pc 600 mointors

cfi

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Good evening i am trying to use my Risc but I have the following problem


any suggestion ?
Thanks for your assistance
 

TheCorfiot

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That looks like a fault, primarily as the mouse pointer is OK..
If you have VRAM fitted then remove the module and try again.
If you don't have VRAM fitted then try changing your system RAM SIMMS.
Failing that your VDC20 chip could be duff.

TC :)
 

thecellartroll

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I think TC is correct. I've seen similar artifacts with a dead VRAM module. Have you removed the original CMOS battery? If not snip it out sharpish and check for leaky battery damage.
 

cfi

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Was a problem with VRAM now is ok but i have some other problems
i thing with the software
any suggestions?

 
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