After restarting, win7 system can't open and display the latest hardware or software changes. It may be a file with incorrect or damaged signature, or it may be a malicious file.

The reasons why win7 system can't be opened after restarting, and the recent hardware or software changes may have installed files with incorrect signatures or damage, for the following reasons:

1, play games, watch videos, operate big things, and use computers for a long time.

2, or download inappropriate things, or delete system files, or shut down.

3. Press the power button to turn the machine on and off repeatedly. Try it for a while. You really can't reinstall the system. If you can't install it yourself, take 30 yuan to the maintenance office to find someone to help you.

4. This phenomenon is generally a system problem, which can be solved by reinstalling the system. Generally, it is not a hardware problem, but mainly caused by file damage.

5. Please download win7 Ultimate again and try again after reinstalling. There should be something wrong with the system file, or enter safe mode to replace the lost file.

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