my oled screen is playing on me

[Guest fredewis]

basically i installed mcr 2.2 vertion 3 out of the kitchen then i left my phone on table i got a message and noled came on after this more then half of screen is washed out and flashing reverted back to the rom befor and still it just keeps flashing even tho the lower part of screen is ok someone help me plz ..(no let isent install its like more then half screen is broken