Computer freezes, Colored dot pattern covers

Intel Core 2 quad q8400 quad core proces...
January 9, 2010 at 08:39:30
Specs: Windows 7 Home Premium 64-bit (6.1, Build 7600)
Hi, I just recently built my new computer, yet
i'm having a problem: It takes roughly an hour
of manually restarting to actually get my
computer running. When it loads up the
desktop on Windows 7, the screen freezes up
and displays a pattern of colored dots
(Pictures I took with my camera are uploaded
below). Here are my specs:

OS: Windows 7 Home Premium 64-bit (6.1,
Build 7600)
CPU: Intel(R) Core(TM)2 Quad CPU Q8400
2.66GHz
RAM: 6 gigs (2 2-gig, 2 1-gig)
Graphics Card: nVidia GTX 280
PSU: Corsair 750W
Motherboard: Gigabyte EP45-UD3L
BIOS: Award Modular BIOS v6.00PG
HDD: 320gig
Cooling:
--Fans: 1 front, 1 back
--CPU: AC Freezer Pro 7 Fan&Heatsink

What I've Done:

-Reinstalled graphics drivers (Several times,
disallowing Windows Update to try and install
later versions)
-Reseated RAM
-Reseated Video Card
-Tried different monitors
-Tried different VGA/DVI cables

When It Happens:

-When I turn the computer on and the
Windows 7 Desktop loads.
-When I turn off a computer game. (I play
World of Warcraft, and I can leave it running for
5-6 hours on the highest possible graphics
display with no problems, yet when I exit the
game, the same freeze with colored dots
covering the screen will occasionally happen.)

I'm not quite sure what it is. I've reseated my
ram and video card, tried to allow as much
airflow as possible. It seems as if it's
overheating, but it only happens when I turn
the computer on or, after getting it to run,
exiting a game that I could have open for
several hours.

Pictures:

http://i45.tinypic.com/11tr4gw.jpg
http://i49.tinypic.com/k2e4o2.jpg
http://i45.tinypic.com/2mphnhz.jpg
http://i48.tinypic.com/21yezl.jpg
http://i47.tinypic.com/2cn8s90.jpg

Could it be a faulty graphics card? Or is there
a problem with the nVidia drivers? I just had
my 280 replaced through RMA with BFG Tech
(They sent me a new one); so if it is it
shouldn't be a problem getting it replaced, but
i'm just not sure quite yet. Any help on this
matter is greatly appreciated.

Additional Note**: When I run DriverSweeper to
get rid of all of my graphics drivers, I can go
and turn the computer on fine without this
problem. Afterwards if I only leave the original
drivers installed (Version 1.10) I can also turn
the computer on fully. The problem occurs when I
install the latest drivers for compatibility with
Windows 7, or even slightly earlier driver
versions. I do have an XP disk i'm ready to
use, but I don't want to get rid of Windows 7
64-bit quite yet, simply because of time and
RAM utilization, until I'm completely sure that
it is a problem with Windows 7.

Another theory I have.. Which is kind of far-fetched but worth a shot; It seems my computer works only after I leave it in safemode for 30-60 minutes to warm up.. Could my motherboard's PCI-E slot have a problem with the PCI-E connector on my video card where it's not fully connected when the card is colder? (Colder = slightly shrunken size) and when it warms up it expands enough that it is fully connected? I've reseated my video card several times now, so it rules out that it's just loosely connected, but this is still a very small possibility.

Thanks,
-Reid


See More: Computer freezes, Colored dot pattern covers

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#1
January 9, 2010 at 09:22:31
I stopped reading half way down, too much info for first post.

I didn't see anywhere that you installed the motherboard chipset drivers or any other drivers except the graphics. Install the drivers off the motherboard CD.


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#2
January 9, 2010 at 11:45:59
"The problem occurs when I install the latest drivers for compatibility with Windows 7, or even slightly earlier driver versions."

Then don't do it.

Windows 7 News!


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#3
January 9, 2010 at 12:01:26
Is everything all right with Windows VGA drivers ? I mean, does Windows load properly and within a minute if you do not install NVidia drivers ?

I suggest you re-install Windows after reformat.

Regards

SuatCINI


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Related Solutions

#4
January 9, 2010 at 15:00:59
What brand and types of memory did you install? Are they all the same speed, you indicated 2 - 2GB and 2 - 1GB sticks but no other information?

I already saw a reference here to compatibility with G.Skill and I have encountered problems on customer systems with Mushkin Enhanced Blackline chips.

Richard


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#5
January 9, 2010 at 17:51:14
That might be a problem that flew right over my head.. The 1 gig
sticks are 667mhz, the 2 gig sticks are 800 mhz. Do you think
this would be causing the problem?

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#6
January 9, 2010 at 18:48:41
Possibly, the greater concern is what brands are each pair?

Richard


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#7
January 10, 2010 at 00:09:39
Two are Kingston (1-gig), Two are OCZ (2-gig).

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#8
January 10, 2010 at 07:54:41
Below is a link for the information on your Motherboard. There are at least two versions of the board. Check to see which one you have. The link is for Ver 1.0 but next to that ver # is a link to Ver 1.1.

Check for CPU compatibility first then check the memory list to see if any of yur RAM is on it.

You should NOT use two different speeds or even two different makes. All RAM should match and for best results should be listed on the QVL on that link.

Test with only one type installed.

Install all drivers using the disk from Gigabyte.

You should always bench test a board before installing in the case.

Remove any additional unnecessary cards at this time. Also remove and external hardware except for KB/mouse. No external or flash drives, card readers, printers, webcams, etc.


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#9
January 10, 2010 at 08:22:09
You can try setting the RAM speed to the lowest of both sets in BIOS and install the lowest speed RAM sticks on the first slots and test.

Regards

SuatCINI


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#10
January 10, 2010 at 09:15:21
Othehill, I believe you forgot to provide the link. I've been
installing off the disk, but this time I went to gigabyte's website
and installed all the latest drivers from there.

Motherboard is Ver 1.0


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#11
January 10, 2010 at 10:23:56
You are correct but if you found your way there then not much sense in my posting it now.

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#12
January 10, 2010 at 10:28:33
1st take out the 1 gig rams, try your two goig rams in slots 1&3-2&4 if that fails try 1&2-3&4.
try another video if you can,
However:
Additional Note**: When I run DriverSweeper to
get rid of all of my graphics drivers, I can go
and turn the computer on fine without this
problem. Afterwards if I only leave the original
drivers installed (Version 1.10) I can also turn
the computer on fully. The problem occurs when I
install the latest drivers for compatibility with
Windows 7,
not all updated work great with all cards, you might stick with what works, as this proves the graphic card does'nt have issues,
i would be happy to leave the memory in under this configuration too.
wait for even newer drivers from the manufacturer....

just my take on your issue ;-)

i hate computers!
but cant help myself....


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#13
January 10, 2010 at 17:43:04
Alright, another update: I've reformatted and did a clean install of Windows 7, tried all XP-64 compatible drivers, Vista-64, and Win7-64. Problem persisted through all of them. Reformatted again, did a clean install of XP, problem persisted. It's most definitely a faulty piece of hardware.. Or least likely a hardware compatibility issue (I haven't found any reason something in my machine shouldn't be compatible, if someone else sees something that doesn't fit right, let me know). I'm running a memtest right now, and so far it has passed 1 test with 0 errors. I also tried working with all sorts of combinations of RAM.. Actually, every single combination possible. Took a lot of time.. but narrowed it down that it is probably my video card. Could it possibly be my processor, instead?

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#14
January 10, 2010 at 18:37:28
Did you run with ONLY one brand/speed of RAM installed?

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#15
January 11, 2010 at 11:56:11
Yeah, literally every single combination possible. Also, the memtest passed 2 tests to each type of RAM:

2x 2gig + 2x 1gig (Pass: 2, Errors: 0)
2x 2gig (Pass: 2, Errors: 0)
2x 1gig (Pass: 2, Errors: 0)'

I'm definitely leaning towards Video Card or a misfunctioning power supply.. Still not quite sure. Definitely seems to be the video card at this point, though.


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#16
January 11, 2010 at 12:17:08
Do you have any required direct power connectors to you Graphics card connected?

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#17
January 11, 2010 at 13:05:28
Yes, both an 8-pin 12V connector and a 6-pin 12V connector, both required for the GTX 280 to be powered.

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#18
January 11, 2010 at 13:20:18
Post the exact model of your corsair PSU

Also, check the voltages in the BIOS. 3.3V,5V +12V.


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#19
January 11, 2010 at 19:39:22
Corsair TX750W

I'll update you on the voltages tomorrow. Thanks for the
continued feedback.


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#20
January 12, 2010 at 05:00:03
I was looking to determine if your PSU had multiple +12V rails. I see it has 1 +12V rail@60A. This should be more than enough unless the unit is defective.

All voltages should be Within 10% of base. IMO 5% is a better target. Try monitoring those voltages while the computer is under load. I think speed fan, for one, can do that.

I can't point to any hardware and definitively state this or that is bad.

Did you look to see if your RAM is on the QVL?


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#21
January 12, 2010 at 12:14:12
The Kingston is, the OCZ isn't, although it should be compatible
either way.. Do you recommend I start by getting the RAM
replaced and work from there?

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#22
January 12, 2010 at 12:46:36
Before doing that I would run with only the the kingston and install speedfan or some other realtime monitoring software. Watch the temps and voltages when the video acts up.

If the RAM passed memtest and the voltages are good you are down to graphics card, CPU or motherboard. Being as the symptoms occur at certain times I would think that would eliminate the CPU & board, leaving the graphics card.

What happened last time you had the graphics card replaced? What were the symptoms?

One other thing to try would be to try an older version of the drivers.

I don't run Intel stuff so I am not up to speed on the BIOS settings available but maybe something in there could be the issue.

Are you sure your RAM is on the QVL? It has to be the exact number (capacity/speed).

Different RAM may run at different voltages. Boot into the BIOS and manually set the voltage for the RAM and as I said only run one kind.


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#23
January 12, 2010 at 14:57:36
Last graphics card was fried from a faulty power supply I
purchased from the same company, simple as that. :(

Here's the model names for the RAM:

OCZ 2-gig sticks (x2):
OCZ2P8004GK

Kingston 1-gig sticks (x2)
KVR667D2 1GR


EDIT: I noticed that on:
http://www.ocztechnology.com/produc...
It says "2.1V". Does this mean that I should adjust the BIOS settings (That were recently set at 1.8V automatically to accomodate for the 1-GIG sticks) to 2.1V? I don't want to try this without a second opinion because I don't want to risk burning the sticks out.


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#24
January 14, 2010 at 12:41:45
UPDATE: I can run any application (that normally runs full-
screen) in windowed mode..

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#25
January 14, 2010 at 13:57:43
What RAM are you trying now?

"The Kingston is, the OCZ isn't, although it should be compatible either way".

That is not true. First of all the OCZ is running at non standard voltage. Standard is 1.8V so OCZ is juicing their RAM quite a bit. Your board may not even be able to set the RAM voltage at 2.1V.

At any rate you can't run RAM at two different voltages. There is only one voltage setting for all RAM. I personally would lose the OCZ. I am not a believer in starting with RAM settings that much off JEDEC standards.

But either the voltage will be set at the Kingston requirements and the OCZ may struggle with being run with less voltage or the other way around.

You haven't stated if you tried running just the Kingston RAM and setting the voltage manually if necessary.


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