From GameBrew - a wiki dedicated to Video Game Homebrew.
LCD_Tester is a homebrew application to recover lazy pixels on the NDS. The idea is based on an article from engadget, claiming flashing RGB continiously on a LCD might cure stuck pixels.
- Variable flashing speed.
- Black/white at the touch of a button.
This application gives the possibility to recover pixels by controlling the rate of flashing colors that used to retrieve pixels.
You can adjust color changing spee, in order to be effective this application must be active for at least a few hours. It is advisable to use this application before bed and leaving it running overnight.
LCD_Tester does not repair dead pixels, only the stuck pixels. Developer does not guarantee 100% that this application can recover all pixels.
Up - Increases the colors changing rate
Down - Reduce the colors changing rate
A - Display both screens in white colors
B - Display both screens in black colors
Start - Start repairing pixels