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Windows 7: Computer will not restart. Turns off but will not turn back on

21 Jul 2013   #1

Windows 7 Home 64-Bit
 
 
Computer will not restart. Turns off but will not turn back on

Hi, I have a weird problem that I have never come across.

I am looking at a Lenovo Z570, Its just had a fresh install of windows 7, all drivers are installed and fully updated, so pretty much a clean laptop.

The problem is, when you select to restart the computer, the computer will go through its process, the screen will turn off, but all the power lights etc are still on, and it will not go any further unless you keep old of the power button.

I have checked through all the power settings, I cannot find anything that stands out. One of the drivers is a Lenovo power management drivers, so I uninstalled that just in case that may have been the reason, but the same thing happens.

I have just realised that the laptop will also not turn off, and does the same thing

Thanks

My System SpecsSystem Spec
.

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 Computer will not restart. Turns off but will not turn back on




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