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... Support the channel! Patreon: https://www.patreon.com/ctrlaltrees Become a Member: https://www.youtube.com/channel/UCe7aGwKsc40TYqDJfjggeKg/join Ko-Fi: https://ko-fi.com/ctrlaltrees VIP Superfans: Action Retro: https://www.youtube.com/ActionRetro Arthur Ludwiczak BitterBlitter D. 'Xalior' Rimron-Soutter: https://www.youtube.com/Xalior James Rodgers Kevin Leah Mr Lurch: https://www.youtube.com/mrlurchsthings Woz Brown: https://www.retrogamer.net Relevant Links: StarTech PC Screw Set (not affiliated): https://www.startech.com/en-gb/computer-parts/pcscrewkit S3 ViRGE Video: https://www.youtube.com/watch?v=f6fk_iarL-8 Moto