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Windows 7: Yet another 7x64 freezing issue.

16 Dec 2009   #1

Windows 7x64
Yet another 7x64 freezing issue.

I had no problems at all with the Win7 Ultimate 32-bit RC, which I installed as an upgrade over Vista Home Premium 32-bit. Then I clean-installed Windows 7 Home Premium 64-bit, and have had freezing issues ever since, each one requiring a hard reboot.

No BSOD, so no dumps. The Event Log only records the unscheduled reboot, and doesn't record any other critical issues.

The freezing issues occur without warning (no slowdowns, etc.), do not appear to be related to any particular user activities or applications, and can occur at several times:

- At the Welcome Screen, if you wait several minutes before logging in.
- Anywhere from a few minutes to several hours after logging in.
- Recovering from sleep (almost never wakes up without a reboot).

I have tried the following remedies:

- Updated all drivers using Windows Update and DriverMax;
- Rolled back the Nvidia driver to the 7x64 install version;
- Disabled the on-board LAN using Device Manager (computer uses wireless card);
- Increased all available voltages (PCI-E, FSB, Northbridge, DDR2) by 0.1V;

Nothing has any effect.

Some details:

CPU: Core2Duo E8400
MB: Gigabyte GA-EP35-DS3L
RAM: Corsair XMS2 DHX TWIN2X4096-6400C4DHX 4GB DDR2 2X2GB PC2-6400 DDR2-800
Video: BFG 8800GT, 512MB
Sound: On-board audio
Internet: Very common wireless card on PCI slot, will have to check which.
PS: Antec Earthwatts 80+, 500W

I'd appreciate any help. Thanks.

My System SpecsSystem Spec
17 Dec 2009   #2

Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64

The only thing I can think of is that the upgrade from Vista -> 7 kept the drivers from the Vista install and those drivers worked for your hardware...

The clean install of 7 lacks those "miracle" drivers above and it may be causing some major incompatibilites...

It could be something else...hopefully someone else can shed some more light on this
My System SpecsSystem Spec
17 Dec 2009   #3
Uber Philf

W7 RTM Ultimate x64

All i can think of, is uninstalling all your drivers, then rebooting, so it uses Windows drivers.

Something's making me feel this is mainly Driver related.

BUT, i'm not sure if W7 has it's own drivers for all your software. Uninstalling all the drivers may have an adverse effect on your system, if some of your hardware has no drivers, might not boot or you might not see anything etc.

If someone can clarify that, would be greatly appreciated.
My System SpecsSystem Spec

17 Dec 2009   #4


When the logs are clean these freezings usually are a hardware issue - maybe psu, ram?

1) Try a ram test (memtest 86+) - one lap usually is enough to pop errors
2) Get Intelburn and see if the box can stand it
3) watch temperatures
My System SpecsSystem Spec
17 Dec 2009   #5

windows 7 pro x64

I'm having freezing issues that sound very similar to yours with Win 7 pro x64. I've had this installed since Oct 24th, but these crashes started happening on Dec 10th. When did you first begin experiencing these crashes? I'm wondering if they are related to these two updates that I installed on the 9th...

Cumulative Security Update for Internet Explorer 8 for Windows 7 for x64-based Systems (KB976325)

Windows Malicious Software Removal Tool x64 - December 2009 (KB890830)

I'm not trying to hijack or derail your thread, please don't think that's what I'm doing. I've just tried a lot of things to fix this and now I'm trying to track down similarities with other people's crashing experiences to see if I can pinpoint the cause.
My System SpecsSystem Spec
17 Dec 2009   #6

Windows 7x64

Thanks everyone for the tips so far. It seems like these no-BSOD crashes are really hard to troubleshoot.

Thanks. I'll try those programs. The Windows Memory Test Utility didn't turn anything up, but maybe Memtest 86+ will work it harder.

No need to apologize--this is a tough problem, isn't it? But no, my problems date back to immediately after the install in mid-November, and don't appear to be tied to any specific update (except maybe the updates from immediately after the install).
My System SpecsSystem Spec
17 Dec 2009   #7

Windows 7 Ult, Windows 8.1 Pro,

Have you tried the Gigabyte site, there are some very recent updated Windows 7 drivers for your board.
GIGABYTE - Support&Download - Motherboard - Driver - GA-EP35-DS3L
My System SpecsSystem Spec
17 Dec 2009   #8

Windows 7x64

Hi chev65,

Yes, I've got all the latest drivers. Doesn't seem to help much. I suspect the problem is hardware related, and will begin disabling devices one at a time to see if anything helps. Right now I'm running memtest 86+ on the affected computer, and will try IntelBurn.

If none of that helps, I guess I'll just clean-install Win 7x86 and forget about 64-bit until I hear that Microsoft has resolved the issue, which does seem to be quite a common one. I don't particularly want to go bck to 32-bit, but I can't have my computer like this.
My System SpecsSystem Spec
18 Dec 2009   #9

Windows 7x64

OK, so Memtest 86+ shows no errors. IntelBurn likewise passes no problem on both Standard and High modes. I assume this means I can rule out RAM or motherboard voltage-type issues as the problem here, correct?

Here's a substantive question: I'm currently running Windows in Safe Mode a lot, since the freezing problem has gotten so bad, and I've never had a problem in Safe Mode. But if the freezing problem is hardware-related, shouldn't I also encounter it in Safe Mode? To put it another way, does a trouble-free Safe Mode operation indicate that the problem is probably with software?

Or have I misunderstood?
My System SpecsSystem Spec
18 Dec 2009   #10


The system load especially in the graphics arena is much less in safe mode - that's why you do not see problems yet!
maybe a psu issue but hard to tell. If you have the dealer around the corner let him test the box.

sorry, I can't help better
My System SpecsSystem Spec

 Yet another 7x64 freezing issue.

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