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All NV 8600-series mobile GPUs, including the workstation models, have an on-die flaw that causes overheating and the eventual deterioration of the GPU package. That's the reason for the motherboard replacements as well as the fact that the recall covers multiple manufacturers - for example, Apple has been doing replacements on affected machines for two or three years now. Assuming you actually use your laptop, if it has one of the defective chips you can safely assume it will eventually fail and require replacement. ---- Jack Kramer Computer Systems Specialist University Relations, Michigan State University w: 517-884-1231 / c: 248-635-4955 On Nov 24, 2010, at 3:12 PM, Clifford Beckett wrote: > Hello NAG, > Thanks to everyone for your input. I have contacted Dell support and > they have agreed to replace the motherboard. I just hope this is a > permanent fix? But, Dr. Carter's comments about continuing problems aren't > very reassuring. (We are currently in the process of ordering a new XPS > 17" system right now??) > Thanks again > Cliff > > -- > Clifford L. Beckett office: 517-355-4659 > Electronic System Designer cell: 517-449-8226 > A411 E. Fee fax: 517-353-0789 > OMM Department email: [log in to unmask] > Michigan State University web: www.obl.msu.edu > East Lansing MI, 48824