madalas pong mangyari yan kung hindi gumagamit ng umd.
tip naman kung gumagamit ng mga games na nasa memstick. mas ok po na gamitin is yung mga full ISO at hindi CSO. yung CSO po kasi is compressed na. then mas maganda po gamitin is yung memstick na hindi highspeed. at usually yung class a na memstick is naghangtime talaga kapag mainit na.
if umd gamit nyo, try to clean the umd surface.