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RE: Upgrading a Dell Inspiron N5110

You can do this, but to upgrade from integrated to nVidia, you'll need not just the mainboard, but also:

A new heatsink assembly (the existing one won't fit the nVidia board) and

If you have a 65 W power supply now, it'll need to be replaced with a 90W or higher capacity one (65W is fine for Intel video but will not power the nVidia board).

Bear in mind that complete, used N5110 systems go for $150-300 on EBay -- in other words, you may wind up paying more in parts than you would buying a used system.  There are also easier systems to work on (this one is probably the least service-friendly system Dell has sold).

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