Solution to c000021a error reported on the blue screen of Win7 System

Solution to c000021a error reported on the blue screen of Win7 System
We often encounter blue screen failures when using computers. In the previous articles, we also introduced a lot of solutions to the blue screen problems of win7 systems. Recently, when a user directly jumps out of the blue screen interface during boot, the error code prompts STOP: c000021a. the restart is still the same. How can this problem be solved? The following describes the solution to the c000021a error on the blue screen of the Win7 system.



1. First, you can start it with PE, then use the disk tool to check whether the Partition Table of the hard disk has an error or has been modified, and then try to fix the boot MBR of the hard disk. Restart the computer and check whether the problem persists.

2. Try to reinstall the system. For most unknown hard errors, reinstalling the system can solve the problem.

3. Check the hard disk data cable or change the hard disk for testing. If the problem persists after the system is reinstalled, the hardware may be faulty.

4. Another common case is that after the system is reinstalled, the problem can be solved, but the problem may occur again in a short time. In this case, the hard disk is mostly a bad cluster, you can try to use the hard disk repair software to fix the hard disk first. If it still does not work, we recommend that you replace the hard disk.

The above is the solution for the blue screen of Win7 boot error STOP: c000021a. Generally, you can solve the problem by starting PE. If you choose to reinstall the system, pay attention to whether the C drive has important data, to avoid unnecessary losses.