This is John at Dell headquarters.
Removing/reseating cards for troubleshooting in no way voids you
warranty: in fact, our phone technicians have people do it all the tim
to determine root cause of hardware problems.
That being said, this could be a hardware problem, or could be a Vist
problem. I would recommend starting the machine in safe mode an
checking the version number and date of the driver. It is possible tha
a recent update caused the problem, and if that's the case, a quic
driver rollback may save you some time and energy, as a driver proble
wouldn't be solved by a card replacement.
If a driver rollback/reinstallation doesn't resolve the issue, the
we're probably looking at a card replacement. If that's the case, I ca
set up a dispatch for you:
ATTN: John
John
Dell Customer Advocat
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DellCA