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Windows 7: Computer switches off at start up


02 Aug 2010   #1

Windows 7 64 Bit
 
 
Computer switches off at start up

This problem seems fixed but I don't know why and it bugs me.

I built a new computer at the start of last month based on a core i7 930. I loaded Windows 7 64bit with no problems and left the system running overnight doing some stress tests. In the morning things were still fine so I loaded up some app's and used the computer for about 3 hours without trouble. The problem came when I tried a restart where the PC got as far as the starting windows screen then switched off. No BSOD no errors just off. At first I thought I had a hardware fault but after reloading windows the problem went away.
To cut a long story short I eventualy found that the problem only happened after installing Photo Shop Elements 8 and it happened every time. Later I discovered the same thing happened after installing my HP Scanjet G3110.
As I said at the start the problem is now gone but the only thing that changed was that I installed a printer on the system for the first time. Now when it gets to the point in the boot process where it would switch off it now checks the printer and carries on as normal. This bugs me as I can't see why installing a printer should have any effect and will the problem come back when I have important stuff loaded. Any ideas ?

My System SpecsSystem Spec
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02 Aug 2010   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote:
Now when it gets to the point in the boot process where it would switch off it now checks the printer and carries on as normal
If you are saying that the BIOS is checking the device, that would be normal. What happens when the printer is off-line during boot?
My System SpecsSystem Spec
02 Aug 2010   #3

Windows 7 64 Bit
 
 

The system checks the printer during the POST as expected but it then checks it again on the starting windows screen. I will try booting with the printer switched off tomorow when I get home. Thanks
My System SpecsSystem Spec
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04 Aug 2010   #4

Windows 7 64 Bit
 
 

Have now tried the system with the printer switched off and it boots fine.
As both of my problem apps have to do with imaging I wonder if anyone else has tried to install them on a system that had never had a printer ?
My System SpecsSystem Spec
04 Aug 2010   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Is there any printer routine in the startups? If yes, disable that.
My System SpecsSystem Spec
09 Aug 2010   #6

Windows 7 64 Bit
 
 

This is not infact such a big mistery after all. I do have a hardware fault. It is a memory error. Maybe installing the printer driver moved things around to a less critical area ? Didn't show up in my first runs of memtest though.
My System SpecsSystem Spec
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 Computer switches off at start up




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