tried to undervolt my gpu think i did to mutch cant mine att all whit it games are fine and some benckmarcks but cant mine is it dead?` and my temp are higher then ever before what should i do?
I don't understand what did you do? If you have changed the BIOS settings, then download the latest version from the official site, if you did not make a backup before changing it. If you changed the settings using programs, then set the default settings.
Are you worried about the temperature of the memory or video chip?