I have this acer aspire for almost 2 years and recently having a random shutdowns. I already scanned my laptop from viruses and malware I've used avg, avast, spybot, malwarebytes but I found nothing. also I am having this weird issue when I am playing this game heroes of newrth my laptop doesn't shutdown it is very weird, also my laptop doesn't shutdown when I let the monitor off by doing nothing. please help me I already format this laptop but still having this problem.