Win7 sleep error 0xc000007f reason and solution

Cause analysis
This error code is an access exception, check the disk space to find the system disk space is smaller than the current memory size, the current memory 16G, the system disk hard disk space remaining only 8G, Causes the creation of a hibernation file to fail.
Solution
Hibernation files can only be stored in the system partition and cannot be set to other partitions. Clean the disk file, release the C disk space, and the hibernation function is normal after restarting the system.
Through the above method, we can clearly understand that the system can not enter the sleep state because the system C disk is too much, only need to clean the C disk or delete unnecessary files to release the C disk storage space, thus solving The problem!