Driver Power State Failure Error

This error usually comes due to graphic file corruption. It can be resolve by the following steps. This steps is applicable for both window 7 and window 8 

Steps are as follows:

1. Click start and type DEVICE MANAGER and select from the list.

2. Expand DISPLAY ADAPTER  

3. Below display adapter, there is a name of the graphic driver, either it is from NIVIDIA or AMD. Copy that driver name and save in notepad. Right click on graphic driver and select Uninstall

4. Go to graphic driver website. If it is NVIDIA driver then click the link below

http://www.nvidia.in/Download/index.aspx?lang=en-in

Select or download from the above website and install it. 

5. After installation, restart the computer to make that changes take effect.

If the issue still persist then perform recovery.