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Windows 7 64 bit freezes randomly - NO BSOD

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  • Windows 7
Last response: in Windows 7
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October 7, 2010 12:59:21 AM

Time for me to suck it up and ask the experts...because I have exhausted all of my knowledge.

The OS locks up, mouse won't move, keyboard not responsive. Very random, not overheating, well under 50 degrees C, anywhere from 1 minute after windows loads to hours, no rhyme or reason(or BSOD for that matter).

WILL RUN FOR DAYS IN SAFE MODE!!!

What sort of info do you need to help me?

Here are my specs:

MOBO: GIGABYTE GA-P55M-UD2 LGA 1156 Intel P55 Micro ATX Intel Motherboard

CPU: Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor BX80605I5750

PSU: Thermaltake Black Widow W0319RU 850W ATX 12V v2.3, EPS 12V v2.91 CrossFire Certified 80 PLUS BRONZE Certified Modular Active PFC Power Supply

GPU: GIGABYTE GV-N250-1GI GeForce GTS 250 1GB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

RAM: OCZ Signature 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model OCZ3SR1333LV4GK

HDD: Western Digital Caviar Black WD1001FALS 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive

Thanks in advance.

More about : windows bit freezes randomly bsod

October 7, 2010 4:23:25 PM

Nice rig you got there my friend. Well I do hope you're using a legit OS. Last best option you can do is format and reinstall your OS again.
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October 7, 2010 5:36:19 PM

The OS is legit...OEM Windows 7 64 bit. This would be re-install # 4 if I were to do it again. I have checked every driver individually, run memtest86, and checked the BIOS about 50 times. I'm stuck.
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October 7, 2010 8:20:54 PM

Also noteworthy that I've installed windows 7 32 bit and experienced the same issues.
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October 7, 2010 8:35:46 PM

Check the hard drive for errors. If it freezes and no BSOD could be the hard drive. When it freezes is the hard drive light solid? I have had a hard drive cause freezing before. If you have another hard drive try it.
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a b $ Windows 7
October 7, 2010 8:44:52 PM

Have you looked in the Windows 7 Event Viewer to determine if there is a program or service that is having a problem starting up? The symptoms you've described would lead one to look for any Error events that might give a clue as to what might be causing the problem.
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October 8, 2010 12:15:01 AM

@ 1haplo - Have not done a check disk, but drive is new. Same results on another HDD with windows 7 32 bit installed.

@ko888 - Event viewer no help.

NOTE: Replaced RAM with known good modules. 2 Sticks Corsair Dominator...Still locking up.
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October 8, 2010 12:15:29 AM

Will do check disk and verify no errors, etc.
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October 18, 2010 11:02:44 AM

HDD Came back with no errors. My friend who is Microsoft Certified took a look at it too. Manually adjusted bios settings, downclocked the RAM, we've verified all bios settings, swapped all parts outs with known good components(except MOBO)...the only thing we can assume is the motherboard is bad, even though it's brand new.
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October 18, 2010 11:14:44 PM

Oh, and all drivers were confirmed up to date.
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October 29, 2010 1:59:36 AM

After swapping out all components with know good replacements, we determined that the MOBO was the only thing left. I sent the board back to Gigabyte. I should have it back in a couple weeks...
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February 11, 2011 10:04:40 AM

louiethefuzz said:
After swapping out all components with know good replacements, we determined that the MOBO was the only thing left. I sent the board back to Gigabyte. I should have it back in a couple weeks...


So, how was it? Did you manage to solve it?

I'm having a similar problem...
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February 21, 2011 8:02:38 PM

im having the same issue.all new stuff .asus sabertooth mobo i7 proccesor,ati6950 2 gig graphics card,6 gigs of dominator ram,win 7 64 freezes while gaming,tried win7 32 bit but still freezes,bought a new raptor 10,000 rpm hd and clean install ,same thing happens,and its not a power or heat problem,still looking for an answer.games will play for 5 min and crash or on rare occ i play 1 hr.hope someone knows the answer good luck.
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a b $ Windows 7
February 21, 2011 8:38:23 PM

louiethefuzz said:
PSU: Thermaltake Black Widow W0319RU 850W ATX 12V v2.3, EPS 12V v2.91 CrossFire Certified 80 PLUS BRONZE Certified Modular Active PFC Power Supply

The Thermaltake TR2 Series Black Widow 850W (W0319RU) is not a good power supply unit.

The TR2 series is unable to deliver its labeled wattage. Noise and ripple levels are way above the maximum allowed which can cause your PC to present erratic behaviors (e.g. crashes and random resets) and under extreme conditions it will damage components.

Try a different power supply unit and see if that solves your problems. It did for this poster who was using this exact same power supply:

http://www.tomshardware.com/forum/forum2.php?config=tomshardwareus.inc&cat=33&post=309657&page=1&p=1&sondage=0&owntopic=1&trash=0&trash_post=0&print=0&numreponse=0"e_only=0&new=0&nojs=0
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November 7, 2011 2:36:27 AM

Anybody figure this issue out? I'm having the exact same issue. Windows 7, 64 Ultimate. Computer randomly freezes with no BSOD. Can't move mouse, type anything. Have to hard reset everytime. I just reformatted the C drive and resinstalled. It's still happening. Not sure if it is a hardware issue, and if so, which part. Or if it is some file on the 2nd HD or external HD. I kind of doubt it because it will just freeze while doing nothing with those drives, just moving the mouse on a webpage, or typing in a search term, then Nothing.

Any help would be appreciated. Thanks!
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December 29, 2011 12:33:59 PM

I do submit, what in the world is this? Build is 2 years old, amazing stable the whole time. On board network adapter (says its working fine) always reads cable unplugged about two weeks ago, installed linsys wireless card from closet, no issues. SP1 would never allow me to authenticate and my software keys were taken by ex. So Microsoft Pirated another fee from me and I bought 7 Pro 64 four days ago and upgraded the old system initial plans to omit some of the old equipment, but I have tried every combination of swap backs now:

Old System: 790XTA-UD4 Gigabyte MoBo,
HIS ATI 5850HD, Bought Second Identical Unit for Crossfire
RIPSKILL 7-7-7-21 4 x 2gb, Geil Corsa Quad 16gb Kit
2 x 2tb WD 7,200 HDD,
1x 10,000 Raptor HDD OCZ 120gb SSD
OCZ ModXtreme 850w PS
3.40 gigahertz AMD Phenom II X4 965
256 kilobyte primary memory cache
512 kilobyte tertiary memory cache
64-bit ready
Multi-core (4 total)
Not hyper-threaded

I have flashed the bios so many times I had to get a trench coat,

Win 7 64 Has been installed on each drive at least twice, with every combination of equipment or old equipment only, error logs are blank and forced logging shows random last rules that that are fine otherwise. The only thing different is Pro now and it verifies key, ran great when it claimed it was a bad registration. Im going to try some sleep hopefully somebody has a idea, there seems to be a couple hot fixes to try but you cant hot fix in safe mode and it won't run long enough without it.
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December 31, 2011 3:57:36 AM

ko888 said:
The Thermaltake TR2 Series Black Widow 850W (W0319RU) is not a good power supply unit.

The TR2 series is unable to deliver its labeled wattage. Noise and ripple levels are way above the maximum allowed which can cause your PC to present erratic behaviors (e.g. crashes and random resets) and under extreme conditions it will damage components.

Try a different power supply unit and see if that solves your problems. It did for this poster who was using this exact same power supply:

http://www.tomshardware.com/forum/forum2.php?config=tomshardwareus.inc&cat=33&post=309657&page=1&p=1&sondage=0&owntopic=1&trash=0&trash_post=0&print=0&numreponse=0"e_only=0&new=0&nojs=0

i know its way later but i just picked up a corsair 1200 wt 100 amp psu and installed it.note that this power supply came with an 8 pin eatx12 cable.the asus sabertooth mobo has a blocked off area on the 8 pin only showing 4 pins.i pulled off the block amd hooked up the 8 pin cable reinstalled my 2 gig radeon 6950 card and vuala runs like a champ .i just wonder how many asus sabertoorh owners are aware of this simple fix .call me dumb but i didnt see it till now. was it the psu or the 8 pin half covered that caused all my greif? well ive beem dealing with rhis 4 a year . hope it helps other d/as such as myself
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a b $ Windows 7
December 31, 2011 6:22:21 PM

xf1xcaliber said:
i know its way later but i just picked up a corsair 1200 wt 100 amp psu and installed it.note that this power supply came with an 8 pin eatx12 cable.the asus sabertooth mobo has a blocked off area on the 8 pin only showing 4 pins.i pulled off the block amd hooked up the 8 pin cable reinstalled my 2 gig radeon 6950 card and vuala runs like a champ .i just wonder how many asus sabertoorh owners are aware of this simple fix .call me dumb but i didnt see it till now. was it the psu or the 8 pin half covered that caused all my greif? well ive beem dealing with rhis 4 a year . hope it helps other d/as such as myself

The EATX12V connector on the motherboard only provides power to the CPU.

Most likely your old power supply unit had insufficient +12V rail capacity to properly power both the CPU and GPU(s) or if the power supply has more than a single +12V rail the load on the +12V rails wasn't properly distributed/balanced. On multiple +12V rail power supplies properly distributed +12V rails separate the CPU power from the graphics power.
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February 2, 2012 6:00:36 PM

louiethefuzz said:
Time for me to suck it up and ask the experts...because I have exhausted all of my knowledge.

The OS locks up, mouse won't move, keyboard not responsive. Very random, not overheating, well under 50 degrees C, anywhere from 1 minute after windows loads to hours, no rhyme or reason(or BSOD for that matter).

WILL RUN FOR DAYS IN SAFE MODE!!!

What sort of info do you need to help me?

Here are my specs:

MOBO: GIGABYTE GA-P55M-UD2 LGA 1156 Intel P55 Micro ATX Intel Motherboard

CPU: Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor BX80605I5750

PSU: Thermaltake Black Widow W0319RU 850W ATX 12V v2.3, EPS 12V v2.91 CrossFire Certified 80 PLUS BRONZE Certified Modular Active PFC Power Supply

GPU: GIGABYTE GV-N250-1GI GeForce GTS 250 1GB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

RAM: OCZ Signature 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model OCZ3SR1333LV4GK

HDD: Western Digital Caviar Black WD1001FALS 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive

Thanks in advance.



Had the same problem. I ran repair for startup and downloaded Chrome. I changed my default browser to Chrome, and uninstalled ie 9 which had downloaded as an update. Run now for two months with no problem. I think the fault is with ie 9 as that is when I first started having problems.
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February 2, 2012 8:27:42 PM

I too have had this same problem for months now, but only on my Windows 7 64 bit Dell laptop. I have a Vista 64 bit and a Windows 7 32 bit that work fine. My question is: if it is IE 9 that is causing the problem, is there a way to disable it so I see if there is any difference?

By the way, here are the things I have already tried:

1. Full virus and malware scans.
2. Full hardware diagnostics (took a day to run).
3. All drivers are most current.
4. installed Microsoft's WinDbg for analyzing mini-dumps from crashes, and in System Properties set it to write an event in the system log if crash but the freezes don't create an entry or mini-dump.
5. Replaced my usb keyboard and mouse.

Any other suggestions?

Thx, Jerry
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February 11, 2012 1:44:16 AM

My problem is fixed! First, I followed Microsoft's advice and turned off all non-MS services and startup programs, but the problem remained. Then, I decided to try Intel's Driver Manager which cost me $29. To my amazement it found that I had 34 drivers out of date including the chipset drivers. I updated the drivers 3 days ago and haven't had a freeze since. Before that it would typically freeze about once every hour or two.

Note that in my previous post I said my drivers were up to date. I sais that because I went into device manager and right clicked each device and had it check for updated drivers. A few received updates, but most "had the most current driver". It lies!

So for me, the Intel Driver Manager was money well spent. And, I learned I can live without many of the startup programs I turned off for testing and my PC is now back to being as responsive as it was when it was new.

Jerry
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February 11, 2012 2:24:01 AM

louiethefuzz said:
The OS is legit...OEM Windows 7 64 bit. This would be re-install # 4 if I were to do it again. I have checked every driver individually, run memtest86, and checked the BIOS about 50 times. I'm stuck.


Hi there.

My PC has the GIGABYTE GA-H67A-UD3H-B3 motherboard and is about 12 months old. When I got the PC built I had a different model number GIGABYTE motherboard, I think the last few numbers may have been B2).

About one month after taking delivery of the PC I was contacted by the PC builder who stated that he was replacing the MB on his own personal PC (same model as mine) as the one he/we had currently installed had a recognized fault, something to do with a version of the Intel processor and Sata 3 (I think) and he happened to have one extra MB on hand and suggested I should get mine replaced at the same time. Very nice of him I think.

Anyway, I got mine replaced also and all is well. I suggest that you either make inquiries with your PC builder or contact GIGABYTE via email and make inquiries there, maybe yours came in the defective batch. Mine is a i7 processor but the i5 may just have the same problem.

Another suggestion to try. Last week I experience a problem in that I was unable to do anything with my keyboard. Nothing registered. I swapped keyboards and problem solved.

Borrow a keyboard and do the test.

I hope this helps.

Regards


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July 9, 2012 3:17:47 PM

Hello,

I have same the same issue with 2 Toshiba Laptop. My first Toshiba Tecra A11 (6 months older) is installed with Windows 7 Ultimate SP1. I'm a developper and I have no games or other software not needed for my work installed on my laptop.

I looking for few days but I have no time to waste for it.

I made an Acronis image of the Toshiba Tecra A11, Image I put on another Toshiba Satellite Pro C660. Before to finish to install all new Toshiba Drivers, this new computer crashed as the older. Since I installed all new driver (2 days), it crashed for 3 times.

My conclusion is a software issue. An OS issue. I looking for in vent Viewer and nothing to help me to understand what's happen.

My thought is I have no time to looking for and unfortunately I have to do with this issue. I'm worry about these OS, I remembered that my windows NT 3.51 was crashed but not Windows 2000. It a beautiful OS (W7) but it crashes and it take a lot of time each time it crashes (Lost files, lost time to reboot, etc.).

If someone (i.e. Microsoft support) have good news about this crash I'm interested.


Regards
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a b $ Windows 7
July 9, 2012 6:25:23 PM

Hard lockups occur when the memory subsystem goes to hell and a handbasket, and then some. This is *generally* a motherboard related problem [poor voltage regulation, shoddy northbridge, etc], though infurating to pin to a single component short of swaping them out one by one. Had a simmilar issue with my old 790i based motherboard, and overvolting the northbridge was the only thing that made it halfway stable...

My advice would be to run Prime95's blend test for a few hours [watch temps!]. I'd suspect it would run into an error, likely due to corruption in the memory subsystem. If memtest86 then validates the RAM is not failing, then its the motherboard at fault.
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September 15, 2012 11:49:23 AM

You can always try the new UBUNTU OS its pretty darn solid and will run most all WIN Software now. And the great thing is its free! So if it doesn't work for you then no great loss. I've installed it on 3 dead I thought were dead machines and viola they live!!
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November 6, 2012 2:22:25 PM

Hi,
I too *started* experiencing same problem (no BSOD and computer freezes randomly) with Windows 7 since last month.

So I thought formatting the drive and installing Windows 8 would solve the issue.
But, still the problem stays.

I have noticed, it happens more often while computer is on idle.

The memtest and hardisk test came out positive.

Here is my config:
GIGABYTE GA-Z68XP-UD3P LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

XFX HD-697A-CNFC Radeon HD 6970 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with ...

CORSAIR Enthusiast Series TX750M 750W ATX12V v2.31 / EPS12V v2.92 80 PLUS BRONZE Certified Semi Modular High Performance ...

Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics ...

CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 15000) Desktop Memory Model CMZ8GX3M2A1866C9

Corsair Force Series 3 CSSD-F60GB3A-BK 2.5" 60GB SATA III Internal Solid State Drive (SSD)

Seagate Barracuda ST31000524AS 1TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

CORSAIR Hydro Series H80 (CWCH80) High Performance Liquid CPU Cooler


Any help would be greatly appreciated.

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December 1, 2012 2:35:42 PM

titanium said:
Hi,
I too *started* experiencing same problem (no BSOD and computer freezes randomly) with Windows 7 since last month.

So I thought formatting the drive and installing Windows 8 would solve the issue.
But, still the problem stays.

I have noticed, it happens more often while computer is on idle.

The memtest and hardisk test came out positive.

Here is my config:
GIGABYTE GA-Z68XP-UD3P LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

XFX HD-697A-CNFC Radeon HD 6970 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with ...

CORSAIR Enthusiast Series TX750M 750W ATX12V v2.31 / EPS12V v2.92 80 PLUS BRONZE Certified Semi Modular High Performance ...

Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics ...

CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 15000) Desktop Memory Model CMZ8GX3M2A1866C9

Corsair Force Series 3 CSSD-F60GB3A-BK 2.5" 60GB SATA III Internal Solid State Drive (SSD)

Seagate Barracuda ST31000524AS 1TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

CORSAIR Hydro Series H80 (CWCH80) High Performance Liquid CPU Cooler


Any help would be greatly appreciated.


I have the same MB. Let me know if you have any luck.
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December 10, 2012 9:04:37 PM

try disabling ULPS in the registry (google it!). it is a real pain for the newer AMD cards (and possibly the older ones too)
Also, disable link state power management in the control panel. always worth a try! (worked for me after weeks of frustration and much money spent)
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January 10, 2013 2:45:50 PM

First I want to apologize for my poor english...
After much searching, I found that the problem is not hardware or OS.
After I get a BSOD I realized that the problem was in the update of the drivers did recently to NvidiaStorage.
The error appeared to me that had to do with the NVStore.dll (or something similar)
I went to device manager and after uninstalling "storage nvidia control panel" and made the OS update the drivers that program installed before.
I've been using my computer for about 3 days now without a single problem.
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January 19, 2013 5:21:54 PM

Kabuuuum said:
First I want to apologize for my poor english...
After much searching, I found that the problem is not hardware or OS.
After I get a BSOD I realized that the problem was in the update of the drivers did recently to NvidiaStorage.
The error appeared to me that had to do with the NVStore.dll (or something similar)
I went to device manager and after uninstalling "storage nvidia control panel" and made the OS update the drivers that program installed before.
I've been using my computer for about 3 days now without a single problem.

good to hear!
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January 20, 2013 11:48:08 AM

bump
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a b $ Windows 7
January 20, 2013 11:59:01 AM

Malyele said:
bump


Don't do that :non:  :non: 

@Everyone else:

I know this is a thread that has some age but I was reading over the different responses and noticed a major commonality amongst everyone that was having the issue.

All the systemboards (with the exception of one if I remember right) are Gigabyte boards and most were nVidia chipsets. There was an issue discovered a while back with a driver release nVidia did for their chipsets that really went crazy. I'm actually glad someone found a resolve as it appeared to be a growing problem.

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a b $ Windows 7
January 20, 2013 1:59:36 PM

louiethefuzz said:
Time for me to suck it up and ask the experts...because I have exhausted all of my knowledge.

The OS locks up, mouse won't move, keyboard not responsive. Very random, not overheating, well under 50 degrees C, anywhere from 1 minute after windows loads to hours, no rhyme or reason(or BSOD for that matter).

WILL RUN FOR DAYS IN SAFE MODE!!!

What sort of info do you need to help me?

Here are my specs:

MOBO: GIGABYTE GA-P55M-UD2 LGA 1156 Intel P55 Micro ATX Intel Motherboard

CPU: Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor BX80605I5750

PSU: Thermaltake Black Widow W0319RU 850W ATX 12V v2.3, EPS 12V v2.91 CrossFire Certified 80 PLUS BRONZE Certified Modular Active PFC Power Supply

GPU: GIGABYTE GV-N250-1GI GeForce GTS 250 1GB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

RAM: OCZ Signature 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model OCZ3SR1333LV4GK

HDD: Western Digital Caviar Black WD1001FALS 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive

Thanks in advance.


The computer turns off devices (like the mouse) to "save power"
This is what causes the freezing. See below to correct the power settings...
turn off the screen saver
Go into the power profiles,
set standby, hibernate and sleep to OFF
leave the monitor standby ON, that's OK (maybe not, try OFF)
Set the Hard Drive standby to NEVER
Set system Performance to MAXIMUM, not "quiet mode."

Open the bios set up and make sure "cool and quiet" is OFF. (AMD)
There may be a performance setting in the bios setup you have...make sure it's cranked up to max.
in the bios, see that the allocation for video, if available, is maxed.

Now open the hardware manager profiles...
click start
click computer
click system properties
click device manager
double click on mice and other pointing devices
right click on HID compliant mouse
left click on properties
click on the power management tab
UN-check the box that says: "allow the computer to turn off this device to save power." (there is now NO check mark in this box)
click OK

Now repeat this procedure for all mice, monitors, keyboards, and ALL USB ports on the device manager list.

You must open ALL the devices one at a time, as above, and turn off the power saver, for each device.
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April 21, 2013 4:04:53 PM

hedwar2011 said:
I know this is a thread that has some age but I was reading over the different responses and noticed a major commonality amongst everyone that was having the issue.

All the systemboards (with the exception of one if I remember right) are Gigabyte boards and most were nVidia chipsets. There was an issue discovered a while back with a driver release nVidia did for their chipsets that really went crazy. I'm actually glad someone found a resolve as it appeared to be a growing problem.



I have a GIGABYTE GA-880GMA-USB3 installed and have been having what seems to be the same issue. What was the solution?
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May 4, 2013 6:53:38 PM

I have been having the same type of issue/s and have tried all the same help people have had to offer, in all the dfferent post I've read online. I figured out that if I use another browser or NOT use xfinity as my home page my system has seemed to stay on and hasn't froze for sometime now. I have not figured out what the fix is or when things changed for me but I think I was around when IE updated to 10. I don't know what changes that made to my system, but even going back IE 9 did not help. It wasn't until I just today removed xfinity as my home page that my system has been freeze free so far. I'm sill looking for why and the fix. Hope this helps.

Update: Sorry about the above, it only helped temporarily. To actually fix this issue I ended up having to go to the device manager and check for driver updates on all my devices, one at a time. I think the ones that had updates that fixed this issue were the ACPIx64-based PC under the computer drop down and the IDE ATA/ATAPI controllers (I think these made the difference). I checked them all, but these were the only ones that had updates. Once those were updated and the computer was restarted, it has stayed on. It's been on for a day now and no problems so far.
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June 16, 2013 4:13:07 PM

I too happen to have the same thing.
I get random freezing, without BSOD and with the fans and everything still running.
My Eventlog only shows something about winit, which after further research is none-related. My specs are as followed:

ASUS P5Q Turbo, BIOS 0602
Intel 2Quad Q8200 (not overclocked)
ATI Readon HD 4870
6 GB DDR2 RAM, same voltage |DRAM Frequency 414 MhZ|
SAMSUNG HD502HI ATA

This is what I have done so far:

-Bare boned Windows 7, all possible services are off (example: indexing) + Disabling all possible services on Autorunss
-Disabled Hibernating and ULPS
-Deleted Microsoft Security Centre (HINT: big trouble-causer)
-SFC Scan -no problems-
-CHKDSC -no problems-
-Registry cleaned and defragmentated
-Disc cleaned and defragmentated
-All required updates of all hardware
-PCpit full checks -no problems-
-BIOS = Updated
-Have set my HDD to AHCI
-Disabled all unused (or double) hardware
-Disabled and fully removed unrequired windows features
-Disabled unrequired visual styles

After doing all on this list: still random freezing. Never a Minidump nor a BSOD (YES, writing minidump is enabled, the PC just freezes without a dump)
My PC is working like a train, I can still play new games on 1920x1080 without any lagg, and multitasking goes incredibly smooth. But just that $%^@ freezing all of a sudden, with no sense at all, drives me pointless.

This is what I am GONNA do:

-Run Prime95 stress-test
-Run Memtest
-Figure out why CPU-Z is only showing 2 -out of the 3 filled- sockets of each 2GB at SPD, but does show 6GB at total Memory
-......????
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a b $ Windows 7
June 17, 2013 4:10:33 PM

Get rid of the Asus board. Use Gigabyte or Intel instead.
You are describing the "classic" asus motherboard defect.
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a b $ Windows 7
June 17, 2013 10:49:54 PM

On that note, I think it's time to close this old thread which has failed to reach a conclusion in nearly three years and probably would do the same in the next three.
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!