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Windows 7 Pro x64 randomly freezing (No BSODs)

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  • Windows 7
Last response: in Windows 7
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April 18, 2012 3:27:22 AM

Hello everybody,

My computer screen is freezing once a day or so without any BSODs whatsoever. The funny thing is that everything else is running in the background, including the system clock, music from WMP, and even a video game CD I popped in when it was frozen, which launched like normal, but was unable to do anything because the mouse and keyboard were unresponsive.

When it freezes, I hit the power button once and it shuts down like normal too. Even when I put the computer to sleep during the freeze, it wakes up normally and it works just fine again!

All my drivers are up to date, so what can the problem be? I also tested the hardware with Dell Support Center tools and everything checks out fine.

Remember, everything else is running in the background just as it should, including the clock which still keeps time correctly. The screen looks fine too with everything being displayed clearly and crisply, with no artifacts or lines or anything.

I was also working on a paper for class when it froze, and the funny thing is that when I hit the power button to shut my pc down, it was prevented from doing so because MS Word itself was asking me if I wanted to save the document, which means other processes were running, but I couldn't save because the mouse and keyboard were frozen, so I had to hold the power button until it shut off. Luckily I didn't lose much progress at all because I saved it just a few minutes before. This is a really perplexing situation...

What can be the problem here?
Thanks for your help.


My specs:

Windows 7 Professional x64
Intel i7-2600 @ 3.40 Ghz (non-overclocked)
12GB of RAM
AMD Radeon HD 6800

More about : windows pro x64 randomly freezing bsods

a b $ Windows 7
April 18, 2012 3:40:08 AM

are you saying that Windows Explorer is crashing?
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April 18, 2012 12:10:47 PM

I guess it's possible that Windows Explorer is crashing, but I can't check to see if it is or not because the mouse and keyboard are unresponsive. I also checked event viewer, but it didn't show anything at the time it last froze. Maybe I might run a registry scan with ccleaner or something.
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a b $ Windows 7
April 18, 2012 12:18:35 PM

Odd...its sounding less like Windows itself is locking up [which indicates massive memory subsystem problems] and more like the entire UI interface is going down...

You using USB I assume? Might simply have too many devices on the USB hub...next time it happens, try unplugging-replugging and see if that helps. Even if it doesn't, listen for the audio that indicates when a device is plugged in.
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April 18, 2012 9:31:17 PM

Sorry for the long delay in my response - I was in class all day long...

Anyway, I already tried unplugging/replugging in the mouse and keyboard to no avail.
I uninstalled my printer drivers, which brings up another point: incidentally when my pc freezes, I notice that the Windows Image Acquisition becomes re-enabled and runs, even though I stopped it and set it to manual before. This happens every time it freezes.

Can this be a clue of some sort that my printer, which has a built-in scanner, is the culprit? It is also a fairly old printer, which might help explain this.

Note that I could not even install the software cd because it was incompatible, but could use it once I plugged it in to the usb port and the drivers installed through Windows Update or something. Please note that I only plug it in when I need to print something.

I also failed to mention this, but this all started last Wednesday, April the 11th, the day after I installed a bunch of Microsoft updates. Could one of the new updates be conflicting with the printer driver?
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a c 204 $ Windows 7
April 19, 2012 1:01:30 AM

what is that printer name and model
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April 19, 2012 1:41:54 AM

HP Deskjet 4180.

I just find it odd that the WIA service starts up after every freeze.
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a b $ Windows 7
April 19, 2012 1:45:05 AM

What type of connection does your mouse & keyboard use? Wireless, USB, or PS/2?
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April 19, 2012 3:07:20 AM

Thanks for the link, scout. I will give it a shot and get back with you guys tomorrow.

By the way, my pc has been on for over 5 hours and hasn't frozen yet. I'm keeping my fingers crossed.
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a c 204 $ Windows 7
April 19, 2012 3:08:46 AM

good be around tomorrow
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April 19, 2012 6:45:41 PM

Hey guys...my pc froze again, but I discovered something very interesting!

This time around, I plugged in my mouse and keyboard into the front USB ports of my Dell XPS 8300 and they installed and worked correctly!!! Everything became unfrozen.

It seems that they only freeze up on the back ports for some reason. Can the ports or keyboard/mouse be defective or something? I'm going to experiment some more now.

It is also interesting to note that when I plugged the keyboard and mouse into the rear usb ports, they did not work, even though they worked when I plugged them into the front usb ports. But when I restarted my pc, I plugged them into the back again and they worked. I'm going to uninstall/reinstall the usb software and see what happens.
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a c 204 $ Windows 7
April 20, 2012 4:24:07 PM

check control panel for usb controller if there is no ? mark on them
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April 23, 2012 3:33:16 PM

Hey guys, I just wanted to say that the problem has been solved at last. It turns out that the mouse I was using, which was going on 4 years old, was malfunctioning. It was responsible for causing the whole usb hub to freeze up for some reason. Anyway, thanks for your help and you can lock/close this thread now.
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