I changed the internal freqeuncy of my 3800+ from 200 to 240 and i already had the external freq changed from 2.4 to 2.6 mhz but when i changed the internal freq and rebooted my comp all i get is a black screen... I already tryed to reset my cmos but it still gives me the same screen.. Have i damaged my cpu or board or is this fixable? thank you

So when you power on, everything starts up? If it powers on then I'm doubtful there's a problem with your CPU, although it's very possible. The problem with no video output is generally linked to memory. I would try reseating the memory in it's/their slots and see what happens.

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