What can I do if my device no longer starts properly?
Problems starting Windows can have many different causes. Here are some ways to solve your problems and get your device working normally again.
Windows switches on and off immediately:
Disconnect all devices (except monitor, mouse and keyboard) and restart the PC. If the PC now boots properly, connect one device at a time and restart Windows to identify the device causing the problems.
Windows boots but shuts down immediately:
Start the automatic repair and select Advanced Options. Click on Troubleshoot and reset the PC. There are two ways to do this:
Execute the Windows start-up help and start the recovery environment (WinRE).
Run diagnostics via Troubleshooting > Advanced Options > Startup Help and Windows will fix the startup problem if one is found.
If the start-up help can not solve the problem, it is possible to restore the PC to a previous functional state via a system restore:
Defective Master Boot Record:
It is possible that the MBR (Master Boot Record) is damaged. This error can be solved from a command prompt. Proceed as follows:
Enter the following commands and confirm each with the
Enter key to repair the MBR:
If all these procedures are unsuccessful, the last option is to reinstall Windows.
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Review Date: 2023-12-06