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For about a month ,laptop is being automatically shutdown without notice and even does not turn on just after shut down..I’ve to wait 5-10 mins…No fan problem and no CPU overheating… I even went to nearby local service center(not official) and he told me i had problem in my graphic card which caused this issue….If you could tell me whats the real problem of shutdown…Im sure its not windows or software problem as i tried everything(updating driver,OS setting etc.). Its only Hardware issue.Can u tell me the issue?…Im hopeful of your help…Thank You..

There are 2 problems here. Could be the bios issue where the intel management engine get corrupted or as u said,the gpu is reporting fake overheat. Happend to me on acer aspire 5742G. After a agressive reflow,all worked fine. I recomend a new gpu chip by rebaling. An authorized service can do that for about 50/100$. Done that,your laptop will became as new.