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Paper Tape
Posts: 1
Registered: ‎10-31-2018
Location: US
Views: 115
Message 1 of 1

ThinkCentre E73 Tower Hangs on reboot after CPU upgrade



I upgraded the CPU from a i5 4440S to a i7 4790S which was listed a supported CPU. 


Now everything works fine EXCEPT rebooting. When i shut down the machine and start it boots normally. But when i reboot it the screen stays black and the machine does nothing and i have to hold the power button to turn it off and then it boot normally.


So far i tried:


Ran prime95 to check stability of the new CPU. All fine.

Ran the build-in hardware checks. All fine

Did a completly clean instal of Windows 10.

Reset the BIOS by taking out the battery.


This issue is driving me up the wall and i never had anything like this. 


Any help would be greatly appriciated.

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