Hi,
- What is the make and model of the laptop?
- Have you tried to change the screen resolution? If so, do you receive any error?
Method 1:
You may refer the following link.
Change your screen resolution
http://windows.microsoft.com/en-US/windows7/Change-your-screen-resolution
Method 2:
You may try to update display drivers from the manufacturer’s website and check. Refer the link below for more information on updating the drivers.
Update drivers: recommended links
http://windows.microsoft.com/en-US/windows7/Update-drivers-recommended-links
Note: You need to select Display Adapter in Device manager.
Also see:
Getting the best display on your monitor
http://windows.microsoft.com/en-US/windows7/Getting-the-best-display-on-your-monitor