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I have a Mac 128k board (later revision) that chimes but has no screen. I’ve confirmed this isn’t an analog board issue with another working board. What could be the issue? I’ve seen some people say the RAM muxes, how do I test for that? Where even are those? Not sure what to do here. The board...

Hello everyone, I have a CC board that I've recapped and cleaned. When I try and boot, it turns on with no chime and no mouse pointer, just gets stuck at the grey screen. There's no floppy activity either. I heard this could be the EGRET or the small chip next to it, but I removed and cleaned...

Hi, I have a IIci with what I think is a dead PSU (no power, completely dead) and I need to either recap it or get a new power supply. It just so happens that I have a PowerMac 7100, and according to this website...

I picked up a Mac Classic which didn't work. Logic board has been recapped and works in a different case, but the analog board doesn't do anything. No fan spin, crt, nothing. I did a full recap on the analog board, which took me 6 hours and was really frustrated that it still didn't work...

I recently picked up a Macintosh Classic from Craigslist, which looked to be in super good condition. Case was really white, mouse looked to be like new. The only= thing was, it didn't work. When I asked about it, I fully expected it to be blown up and destroyed by a Maxell bomb. But he...