Some general computer/tv screen wipes do the trick. Even not on the screen but removes fingerprints and dirt from the whole PSP. You can pick them up at a general hardware store for about £1/$1.
Chat with our AI personalities
you use window cleaner
your psp cant read games just clean the game that doesn't work then take't to gamestop
Get a small cleaning cloth preferably one with no soap or cleaner. So wet it with water and wipe the showing part then slowly spin the disc to clean the other parts
Psp street is much better i have psp 3000 and psp street and psp street is better then psp i would say.
Well when you take out your PSP game out of its box your fingers get all over the game which marks it, which also stops it from working. If you want to fix it go to game and ask if they may clean it, it only costs £2.50.