System restore suddenly power failure can not start how to do

notebook is small, easy to carry, the lack of a hundred is the battery can not be used for a long time, with the usual operation and use of the computer, it will inevitably encounter the system can not operate normally Such as the problem of failure, so many users will choose the "system restore" method will restore the original system. After downloading win7 64-bit Ultimate, some users suddenly lose power during the process of restoring the system. The system can't continue to install and can't start. How to solve this kind of system restore failure?
1. Use power off The pre-system backup starts to restore the system. If there is no CD-ROM drive, it must be booted through the U disk.
2, directly insert the U disk in the computer, if there is no hard disk, then you need to reboot to enter the BIOS settings, modify the SATA mode inside, and change the previous "AHCI" to "Compatibility" or "Id"; IDE & rdquo It will be fine.
3, after re-reading the U disk, you can directly enter the PE to find the corresponding backup, and then use ghost to directly load and restore this backup.
4, if the computer has a blue screen, it is necessary to restart and then enter bios, change the set "AHCI" mode, and finally restart directly.
If the reinstalling w7 system also fails to boot or various problems, you can also use the U God PE tool to install and solve it. You can use the U God U disk artifact, no need to worry about system recovery, system installation, etc. If you have a problem, you can easily use the USB flash drive to install the system.