In this new window, locate and expand the 'Display adapters' from the list, right click your video card device to bring up a menu, click on “Properties.” In the new window click on the “Driver” tab then click on the “Roll Back Driver” button. Search for or open the “Device Manager” which opens a new window that lists the different drivers associated with each device.

Windows 7 will allow you to rollback your device drivers in case you need to return to a previous version, navigate to the “Control Panel” from the Start Menu.

Windows knows what woke up your computer most recently, so the next time it wakes. Check with your computer or device manufacturer’s website for any significant updates and how to return to a previous driver or BIOS update. If your computer keeps waking up from sleep mode, there may be a few. It is also possible the current update for the BIOS or graphics drivers are facing problems and may require you to rollback to a previous update or prevent an update from happening.Check the website of the manufacturer of your computer, motherboard and video card for any updates. The BIOS may be facing difficulties communicating with Windows that are causing the system to not be able to resume from sleeping or hibernating. Make sure the graphics driver is up-to-date as the issue may have been resolved in a later update. Update the graphics drivers or system BIOS.

How to increase sleep time in windows 7