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Diagnosing A Weird Intermittent Fault With My MMX 233 DOS Gaming PC

Ever since I bought this Pentium MMX DOS gaming PC, it keeps having weird intermittent errors where it refuses to boot and I need to open it up and reseat all of the PCI cards. It’s getting very frustrating!

Join me as I finally diagnose and repair this annoying fault once and for all. Is it the graphics card? The RAM? The motherboard? Or is it the previous owner…

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