5k+ problem after up grade pitool and firmware

good morning after trying to follow the video of
Sweviver on how to insert the firmware using the combination of the buttons on the hmd I got the left eye of a darker shade than the other I tried to uninstall the pitool 1.1.258 and the firmware 263 then reinstalled I also tried the firmware 262 and 255
Can you help me solve the problem? thanks