(WW) NVIDIA(GPU-0): The EDID read for display device CRT-0 is invalid: the
(WW) NVIDIA(GPU-0): checksum for EDID version 1 is invalid.
There is your problem. It seems that the new driver fails to read the EDID information of your display. Strange that it worked with the old driver, but this gives us an easy solution:
Re-install the old driver, extract it ("Aquire EDID" button in nvidia setting, in the monitor configuration (not screen/display configuration)) and then feed it manually to the driver.
The Option for doing so is Option "CustomEDID" "string" found here:
This should solve your problem.
Else: Please submit the extracted EDID along the bug report to nvidia, then it's probably a bug in the driver.