qqp question1: My Dell Inspiron 7537 heats up when it goes into sleep mode and switches on and becomes burning hot after shutdown. What is wrong and how can it be fixed? question2: My Dell Inspiron 3000 series laptop has Nvidia GeForce 820m GC, 1TB HDD, 8GBDDR3 memory, Intel Core i5. Works very slow, any solution to fix it?