I have Toshiba satellite A215-S7444 notepad. There was a problem with my Chicony USB 2.0 Webcam web cam that it use to throw an error "Graph render fail" and it use to start working smtime after restarting the system. To correct this issue i have updated my device driver by following the below process:

1. Click the Windows Start button.
2. Click Control Panel, System and Maintenance and then Device Manager.
3. Right-click on Chicony USB 2.0 Camera and select Update Driver Software. A yellow exclamation point indicates that the camera is recognized by Windows but is not working properly, probably because of problem with the device driver
4. Select Browse my computer for the driver software.
5. Select Let me pick from a list of device drivers on my computer.
6. Select USB Video Device from the list, and click Next.
7. If the message “Windows encountered a problem installing the driver software for your device” appears, click Close.
8. Restart Windows.

But after updating the installation of driver software it started giving another error "webcam driver open fail. please restart camera or system". I tried restarting my system but dint work out. After that i tried updating system with following process:

"There might be some programs that is already attached with the device. To deactivate them, run msconfig by going to accessories and then run. Then under the tab labeled "Services" check the box that says "Hide all Microsoft services" and then click on disable all. Next, under the tab that says "Systems" click on disable all and press ok. You should then be asked to restart so press ok and once the computer is back up try with your messenger software and it should work. "

But even after doing this i am finding the same Error "webcam driver open fail. please restart camera or system".

Can any one help me in resolving this problem.