Exactly, there're many reasons for it to run slow. If yours is still usable it's unlikely, mine takes minutes to boot up, and it shuts itself down. It's been a

Exactly, there're many reasons for it to run slow. If yours is still usable it's unlikely, mine takes minutes to boot up, and it shuts itself down. It's been a while and I got rid of it but IIRC it still provided power but was under watt, you can confirm by comparing the normal level for you model. BTW once you've confirmed you can pretty much dump it, won't be easy to find fix other than getting a replacement motherboard, which is pretty much everything.