If your PS2 fat reads blue and black discs, but won't read or is slow to read DVDs...and cleaning laser doesn't work.....DONT buy a new laser. Just do this in small increments
PS2 memory card modchip to play games from USB hard drives | Engadget
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How to Play PS2 Games from USB Using OPL | 4GB+ Games, Cover Art, & More! - YouTube
How To Play PS2 Games Off A USB Flash Drive! (OLP Tutorial) 2018! - YouTube
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