What should I do if the blue screen error "sToP:c0000221 unknown Hard Error" appears when the win10.1 system starts up?
1. The first choice is to try changing a hard disk data cable. In many cases, it is due to the aging of the data cable or the reading of the hard disk. The data is incorrectly formed;
2. If changing the data cable does not work, then reinstall the system from the beginning or try to reinstall the system after repartitioning the disk. The best partition format is NTFs; (Many friends have It means that the fault "sToP:c0000221 unknown Hard Error \systemroot\system32\nedll.dll" occurs after installing the system. Then it is probably a compatibility failure. It is best to try another system and try again)
3. If you have tried the above two methods and still can't solve the problem of "sToP:c0000221 unknown Hard Error \systemroot\system32\nedll.dll", then you can change the hard disk and it should be fine, but there are many friends Said that it is normal to switch the hard drive with the problem to another computer. It is really puzzling. This is probably caused by the compatibility problem of the hardware. There is no way but to change the hard drive to solve the problem. "sToP:c0000221 unknown Hard Error \systemroot\system32\nedll.dll" blue screen failure.
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