Issues related to a computer power supply

Users questions: Dear computer experts: You! I sleep in after the computer, I do not know why the host computer simply can not shut down. I want you to tell me why this happen you? What are some methods that can troubleshoot it?
Experts answer: set to sleep What do you mean, the computer does not To sleep it. If so, try the suggested fix about the system, not try to reinstall the graphics driver bit. 1, fixed to the boot press F8 advanced options appear to let go, choose "Last Known Good Configuration" Enter repair. 2, boot into safe mode press F8 at the exit, restart or shut down in the boot selection to To enter normal mode (fix registry). 3, if the fault persists, please use the system comes with the system restore, restore to you the fault does not appear when the repair (or use System Restore to restore the software.) 4, if the fault persists, use the system disk repair, open a command prompt and enter SFC * SCANNOW carriage return (SFC and * a space between), insert the original system disk repair system, the system will automatically compare repair. 5, if the fault persists, set in the BIOS as the first boot device CD-ROM installation disk into the original press R to select "Repair Install" button. 6, if Malfunction persists, reinstall the operating system recommended. Also unsuccessful hibernation, C disk free space is too small can not sleep.
  • This information provided by the users.Thanks!