Webuser Forums: display driver igfx.

This most likely is not a Vista issue. Vista uses a technology called VPU
Recover (Visual Processing Unit Recover, if memory serves) that keeps your
computer from crashing when it has a problem. Instead of the system
crashing, like it did in former versions of Windows , VPU Recover keeps the
system up and running. That's the idea anyway. Sometimes it crashes anyway,
depending on the severity of the issue involved.

Therefore, this is a problem in your system, and the recovery you're seeing
is only the symptom. It's usually a symptom of a hardware conflict of some
kind. Figuring out just what kind and eliminating it is the challenge.
Causes include incompatible hardware along with incompatible drivers.

Here are some troubleshooting steps you can take to help identify the
problem. Start by examining a Vista report that logs problems and recommends
solutions. To look at the report, click on Start > All Programs >
Maintenance > Problem Reports and Solutions. Look through the report and
note any issues therein and focus on the corrective action recommended in the
report.

Another step is to search for incompatible drivers installed on your
computer. Do this by clicking on Start and then on Run. In the space
provided, type sigverif.exe and click on OK. This app will search your
system for unsigned drivers and list them. Not all unsigned drivers cause
problems, but some do. You have to use a process of elimination to pinpoint
the bad guy.

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