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Windows 7: New Build: Restarts instead of Shuts down

20 Nov 2011   #1

Windows 7 Home Premium x64
New Build: Restarts instead of Shuts down

Hi folks,

Here's a topic I know has been created before, but that thread is old and the solution hasn't worked for me.

I finally built my first computer this weekend. It's going great, but I'm having problems turning it off (not just because I can't stop playing with it). When I hit shut down on the start menu it shuts down, only for it to restart a few seconds later. If I hold the power button when it starts restarting then it turns off. Not a huge problem but kind of niggling.

I wondered if anyone could help?

Here's my build:

Mobo: GA-Z68MA-D2H-B3
CPU: Intel i5 2500k
RAM: Kingston HyperX Blu 8gb
HDD: Samsung Spintpoint F3 1tb
OS: Windows 7 Home Premium 64-Bit

Here's what I've tried so far:
Updated the BIOS to f9
Updated all drivers
Reset CMOS (removed battery for an hour)
Checked power options
Disconnected network cable/usbs
Ran a Ubuntu live disk and shut down via that

Completely at a loss now, hoped you could help! Can't RMA most of the components, so if there's any fix to this annoying problem it'd be great.


My System SpecsSystem Spec
20 Nov 2011   #2

Windows 7 Ultimate x64, & Mac OS X 10.9.2

my old Antec 900 case used to have a dodgy on off switch.

It would cause the computer to randomly restart after the computer had fully shut down.

To tell if this is the cause, unplug your on off switch from the motherboard, and then just use something metal to touch the 2 pins together. The computer will start, and then shut it down, if it then reboots its not a switch issue.
My System SpecsSystem Spec
20 Nov 2011   #3

Windows 7 Ultimate SP1 x64

If you have an old case you could pull the power header off of, you could plug it in and just touch the wires together...
My System SpecsSystem Spec

20 Nov 2011   #4
Sub Styler

Windows 7 Ultimate x64

Quote   Quote: Originally Posted by Sedril View Post
If you have an old case you could pull the power header off of, you could plug it in and just touch the wires together...
Yeah, lets all start hotwireing our computers!
My System SpecsSystem Spec
20 Nov 2011   #5

Windows 7 Home Premium x64


My plan is to first reinstall Windows, I think (but can't be sure) the endless updates started this behaviour maybe. Not sure how I'll avoid that if it's true.

If not, I'll try and borrow a PSU from somewhere and see if that's the problem.

The case is a Fractal Design Core 1000
My System SpecsSystem Spec
20 Nov 2011   #6

Windows 10 Pro/ Windows 10 Pro Insider

Try this first. Right click on the start button and select properties, change the power button options to restart and click OK. From the arrow next to the start button select shut down and see if that works. If it does, try changing it back to see what happens. If that does not work, open an elevated command prompt (start, type cmd in search box, right click cmd and select run as administrator) type in the command window, sfc /scannow (notice the space between sfc and /). That will check the system files for errors. If neither of those things work, I would think it was a hardware problem, perhaps the front panel connections were connected wrong or a bad switch.
My System SpecsSystem Spec
20 Nov 2011   #7

Windows 7 Home Premium 64bit

``EDIT`` missed you updated bios already.

I know you've cleared CMOS, but try the reset to optimized deafults and then reset RAM settings etc.

I have a feeling this is MOBO related in some way. The new bios was supposed to resolve this. I remember reading about others having similar issues with certian hardware configurations.
My System SpecsSystem Spec
20 Nov 2011   #8
Microsoft MVP

Windows 7 Ult. x64


I built a similar system this weekend. Have you checked to see that the power switch cable is connected correctly to the motherboard header?

My System SpecsSystem Spec
21 Nov 2011   #9

Windows 7 Home Premium x64

Well, I just rebuilt the whole machine and the problem persists. If only it were easier to find which part's causing the problem - I don't want to buy a new case, psu AND motherboard...

The fans don't stop when it "shuts down", I don't know if that narrows it down. I'm kind of hoping the case is the problem, but coming from a laptop I don't really have anything to test that out with.

Not really convinced Windows is causing the problem... Hmmm...
My System SpecsSystem Spec
21 Nov 2011   #10

Windows 7 Ultimate x64, & Mac OS X 10.9.2

I'm going to be bold and point the finger at your power supply. I don't think its letting go of the charge. That will also explain why the fans spin

My System SpecsSystem Spec

 New Build: Restarts instead of Shuts down

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