Sony Viao won't start at all. power light on, fan runs

Exergi

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Sep 8, 2015
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My Sony Viao works fine until I switch it off. It seems like it doesn't matter if I use power off, hibernate or standby. The machine won't start at all except for the power light and fan switches on. When I take out the battery (and power cord) and leave the machine for a few hours, it will work again (not just taking out the battery and press the powerbutton for 10 sec, that won't work)
Anyone. Can't imagine it has to do with the OS (win10, same with win 8.1) since the OS never start (?)