B590 - intermittent static in display

A friend bought her B590 Essentials laptop this past April (2013), and over the succeeding months, she's told me that intermittently (only twice in the past eight months that she's owned it) the screen will get 'static-y' or 'snowy' like an old TV... She says it almost appears as though the screen appears to have letter and/or numbers streaming across the screen at a high rate of speed... It doesn't 'last' very long and the laptop does not appear to have any other 'issues', but since this is still under warranty, and if this is going to deteriorate further, I'd like to understand what is happening and get this servcied or replaced ASAP. It was MY suggestion she buy this laptop so I feel a bit 'responsible' for this...
It almost sounded like 'electrical interference', possibly, but could this possibly be casued by a device driver...?
I don't think I've ever seen this type of display problem so I'm sort of "grasping at straws" here.... anyone have any input?

hi billzinn,
Welcome to Lenovo Community Forums!
Is the system running Windows 8?
This you can try
1. This works with Windows 7 to 8.1, Disable the Adaptive Brightness, This somehow can cause like sudden change in display properties depending on Outside light to match the light.
http://windows7themes.net/auto-brightness-turn-adaptive-brightness-on-or-off-in-windows-8-via-cp.htm...
2. Uninstall the Display Driver and Reinstall it.
Uninstall:
Open Device Manager and look for Display adapter, Rightclick on Intel HD Graphics and choose uninstall.
Place a check on delete driver software for this device.
Reinstall:
Download the driver back depending on your operating system (WIndows version)
Windows 7 64bit
Intel Display Driver
Windows 8
Intel Display Driver
Windows 8.1
Intel Display Driver
After the installation, Observe the computer if it will show the same problem.
If Yes I suggest you call Technical Support Right away and have the issue reported,
Hope this helps
Solid Cruver
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