The PSP has a LCD (Liquid Crystal Display) screen. It is actually possible to fix and 'dead' or 'stuck' pixels without actually having to take anything apart.
1. Create two image files: one entirely black, one entirely white. Preferably saved at the PSP's native screen resolution.
2. Transfer the images to the PICTURES folder located in the root of your PSP Memory Stick.
3. Alternate between the two image files as quickly as possible.
4. Do this for about 30 seconds. You should see a few less dead pixels
You might be wondering how this can help. The theory is that some dead pixels are not completely dead, but rather just stuck. The on-off pulses, if quick enough, may wake up the pixel.
Enjoy.
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