Screen flickering on a Windows computer is a frequent display issue typically triggered by incompatible, outdated, or corrupted graphics card drivers communicating poorly with the operating system. Other common culprits include faulty third-party desktop application software (such as incompatible antivirus tools or window management utilities), loose physical display cable connections, defective monitor hardware, or improper refresh rate settings configured in the system display properties. Updating display drivers or booting into safe mode usually helps isolate and resolve the root cause of the glitch.
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