In a rather strange twist, Dell has taken a normal-sized 17-inch laptop and fitted it with an Ultrabook processor and and discrete graphics. The Dell Inspiron 17R-5721 features a new exterior, a comfortable keyboard and solid performance."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips