I got a new Inspiron 11z for Christmas, and I wish to upgrade it's processor. It has an Intel Celeron with 1.2 GHz of power. This is not enough. Is there any way at all to upgrade it to something more powerful?
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You most likely won't be able to change the CPU, as it is a laptop.
You could try to unscrew everything and check if the CPU is soldered to the motherboard, which is likely considered it is a netbook.