Let's troubleshoot and fix this Commodore PET
28:18
This Commodore PET has 3096.01066 bytes free! That can't be right.
50:29
Hard to repair Commodore PET
39:01
Really fixing the CRT spot on the Commodore PET 2001
24:43
Building a Magic C264 Cartridge
45:56
Retrobrighting worked well ... until it didn't (Atari ST 520)
1:15:47
I might have to give up on the "RAM issues" motherboard
40:09
Amiga 1000 repair - No audio output
24:21