I'm on my second Precision M6800 after returning the first one for poor performance. Looking through the threads here, people suggest disabling switchable graphics, or using specific driver revisions to resolve these performance issues. Of course, these will not work except under original factory conditions. I'm obviously not alone in having received a lemon unit, and now I've received a second lemon unit. I can tell you, if anyone is actually listening, that this unit and the way the hardware is configured and put together is not viable. You cannot run these two disparate graphics cards in a switchable configuration and expect to keep your laptop up to date. I think Dell is perfectly aware that the design is fundamentally flawed, and for the company to continue selling these units well into 2015 when they were improperly designed in early 2013 is just a poor way to treat your customers. Now I'm just stuck with this unbelievably slow and expensive piece of hardware which impacts my end users because I can't respond quickly enough without finding a different computer or pulling out a tablet. I've been fighting this for many months now, and here I am again today with a laptop that can take 5 minutes to open a web page. Thanks for selling our company a known fundamentally flawed computer and then pretending like there is nothing wrong at all - that's really classy.
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