1. When you restart a computer running Windows,
the computer may stop with black screen after the power-on self test (POST)
2. After installing Microsoft update, the Windows
can't start and freezes on process a file.
1. Run Last Known Good Configuration: Last Known
Good Configuration is a startup option to use when the system cannot start
in normal or safe mode. Try that first if you can't start the computer and
know it worked before something changes. You may be able to recover from
most recent hardware and software changes made since you last started the
computer. To do that, press F8 while booting the computer, then select Last
Known Good Configuration.
2. Run Safe Mode: Save Mode also called clean boot
is a very useful tool, especially for booting problem caused by software
changes. In most cases, if there is software conflict, clean boot should let
you get into the OS and disable suspect problematic software. To run save
mode, press down the F8 key just before Windows boots, and select Safe Mode.
3. This issue may occur if you have an external
CD\DVD, External storage or a floppy disk that is not compatible with the
Windows. If Safe Mode doesnít fix the problem, unplug all external
connections, and then boot using safe mode again.
4. It could be the master boot record (MBR),
partition tables, boot sector, has been damaged. In this case, run the
FDISK /MBR to fix it.
5. If the system files or registry are damaged,
you may want to use Recovery Console and System Restore to recover it. Run
Windows Setup and choose the Repair option. Choose the Inspect boot Sector
and Restore Startup Environment options.
6. If all above donít fix the problem, you may
want to take the hard disk and add it to another computer to recover the
7. Restore from the backup.