Since yesterday, I've had no startup chime and a blank screen upon starting up my 7600/G3 (just the LED lighting up). Recognizing that this is due to poorly seated processor/RAM or a dying PRAM battery 99.9% of the time, I did the following: 1. Reseated processor firmly 2. Reseated RAM 3. Changed PRAM battery 4. Reset CUDA Still no success even after resetting processor several times. Tested to see if the G3 processor (a Sonnet) was bad by replacing with the stock 604e processor and concluded it wasn't the processor. Next tested if it was bad RAM that was the problem...wasn't it either. Today, I have been getting random freezes and had to force a restart by pushing the reset button. The last two times I did this, the startup chime was cut off halfway by a high pitched whine and I got the blank screen. Is my mobo dying?
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