The most likely (but not the only) cause of that is ram. Have a look at the underside of your laptop for the ram access panel. It will most likely be held in by 1 or 2 screws. Remove it and remove and refit your ram and see if that helps. Remove ant dust and check the edge connector of your ram for discolouration. If it is discoloured in any way, rub it gently with a pencil eraser then carefully remove the eraser dust and try it again.
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Nearly a Posting Maven
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