please connect your laptop to external monitor. if it works with external monitor, then the problem is with laptop monitor driver.if that is the case, then re-install laptop monitordrivers. if it doesn't work even with the external monitor, then re-install more...
I would try to update the drivers for the display adapters, to do this, go to start>control panel>system>hardware(tab)>device go to device manager and try updating the drivers to the Monitors.....same thing. more...
accessing forum to download drivers - averatec I have been provided the following forum to get a nut shell im looking for all the drivers - wireless, monitor, keypad, lan, etc. sorry - as for part number it is more...