Sounds like a driver problem. I've seen similar (appearance is fuzzy) with the wrong driver.

As for the going blank, Did you change anything lately?
Driver?
Settings?
Resolution?
Sync Rate?

Safe mode uses minimum drivers, including minimal video drivers (thus the lower resolution and color depth). These are usually MS provided drivers (256 colors and 800X600 resolution).

My suggestion is to uninstall the drivers, preferably, use the ROLL BACK feature if they changed lately. If not, download and install the drivers while in safe mode.

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