#What should I do if win7 black screen is out of range?
Solution to the problem that the computer screen display is out of range:
1. Turn on the computer, press the "F8" key several times, and use the arrow keys to select "Safe Mode" at the top of the displayed menu. .
2. After entering the safe mode system, adjust the resolution and refresh frequency of the display properties to "default" (800*600 60Hz).
3. Restart the computer, enter normal mode, and then adjust the display properties to the settings allowed by your monitor.
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