If your PSP doesn´t load the games it probably has a Hardware problem, and most likely to do with the UMD Lens mechanism.
This problem is quite common when the PSP is dropped while playing a UMD Game or watching a UMD movie.
If that´s the case you will NOT be able to downgrade using lumines or gta game since your UMD drive cannot read the discs properly.
Your only option is to get it repaired.
If you have problem with your system as the following :
- System shows a message "Disc Read Errors" or disc appeares damaged or dirty on the screen.
- System reads certain games or movies.
- System loads games or movies longer than normal.
- System reads games or movies and seems to be freezed or skipped.
Changing new laser lens will bring your system back to normal again. It´s not very cheap though.... it might be worth do buy the spare part and do it yourself (there is a guide somewhere onlline,
http://www.consolezombie....SP_Laser_Replacement.html Have a look at it to find out if you are capable of doing it yourself).
