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There could be several reasons, here are a few: The monitor is broken or faulty

The cord from the monitor to the tower is faulty, or not properly connected

The power cord for the monitor is faulty, or not properly plugged in

The device driver might not be functioning properly

If the videocard is new and an integrated one was previously used, the previous one must be disabled through device manager.

**You can use Safe Mode with the monitor to see if the second 2 are the issue

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16y ago

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