You may be able to upgrade the APU but laptop manufacturers generally don't provide a support list of CPU/APU upgrade options, so you'll have to search to see if anyone else has been successful. What's the purpose of the upgrade? Have you looked into APU prices & availability? I don't even know where you can buy one & I'm guessing a mobile A8 or A10 is not cheap. You probably would have been better off buying a laptop with a better APU in the 1st place.
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