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Windows 7: Windows 7 (64bit) random system crashes

08 Dec 2010   #11
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Based on many posts I have seen in the forum regarding this problem there are a few things you need to consider beyond the video driver. (When it's the video driver it's easy!)

FYI, the nVidia chipset driver is for your motherboard, not the video card.

First, check all your connections. Re-seat video card and memory modules. Make sure the contacts are clean. Check all the electrical connections.

You could be dealing with a defective video card. The best way to test for this is to borrow a replacement card and try it out. If the problem goes away it would be clear.

You could try running with just one stick of RAM in slot A1. Memtest will pick up most common RAM errors, but it is not an end-all. The one-stick-at-a-time diagnostic eliminates bad slots and voltage issues as causes.

You also could be dealing with a defective power supply. If the amperage is dipping under load it will cause the card to fault. If you have a multimeter you could test the supply to measure for a steady 12v to the card's power connectors. (The only true way to test a power supply would be to use the very expensive diagnostic equipment used in labs). But for us regular folks: I test my power supply by hooking up my multimeter to the PCI-E connectors used to power the video card (I used a spare pair from the power supply to run the card while I was testing). I then observe the meter while I use the computer, first watching the voltage, then the amps, to see if there is any drop-off or erratic behavior while booting or using the computer. My readings were rock solid. So I declared my power supply good.
Otherwise you need to replace the supply to eliminate this possibility. Or borrow one from another computer.

If you are overclocking, this can be a trial and error process. The clocks and/or multipliers you set or change for CPU, Memory, or GPU could be unstable. Eliminate this as a possibility by resetting these to their defaults to see if that clears the video problems. The simplest way to do this is to "Restore Bios Defaults", or Clear CMOS.

Some people have reported that by going into the video cards control panel and "down-clocking" the cards performance settings they were able to clear up the video problem. Since W7 does not seem to tolerate any hiccups in the GPU, this would allow you to run a poor performing card in the W7 environment.
So for instance, you could set the GPU clock from a 777 MHz factory setting to 750MHz, and the ram clock from a 1126MHz factory setting to 1050Mhz, or similar small change for your particular card.


Hope that helps!


My System SpecsSystem Spec
.
08 Dec 2010   #12
OEM

OS3.5
 
 

Quote   Quote: Originally Posted by TVeblen View Post
Based on many posts I have seen in the forum regarding this problem there are a few things you need to consider beyond the video driver. (When it's the video driver it's easy!)

FYI, the nVidia chipset driver is for your motherboard, not the video card.

First, check all your connections. Re-seat video card and memory modules. Make sure the contacts are clean. Check all the electrical connections.

You could be dealing with a defective video card. The best way to test for this is to borrow a replacement card and try it out. If the problem goes away it would be clear.

You could try running with just one stick of RAM in slot A1. Memtest will pick up most common RAM errors, but it is not an end-all. The one-stick-at-a-time diagnostic eliminates bad slots and voltage issues as causes.

You also could be dealing with a defective power supply. If the amperage is dipping under load it will cause the card to fault. If you have a multimeter you could test the supply to measure for a steady 12v to the card's power connectors. (The only true way to test a power supply would be to use the very expensive diagnostic equipment used in labs). But for us regular folks: I test my power supply by hooking up my multimeter to the PCI-E connectors used to power the video card (I used a spare pair from the power supply to run the card while I was testing). I then observe the meter while I use the computer, first watching the voltage, then the amps, to see if there is any drop-off or erratic behavior while booting or using the computer. My readings were rock solid. So I declared my power supply good.
Otherwise you need to replace the supply to eliminate this possibility. Or borrow one from another computer.

If you are overclocking, this can be a trial and error process. The clocks and/or multipliers you set or change for CPU, Memory, or GPU could be unstable. Eliminate this as a possibility by resetting these to their defaults to see if that clears the video problems. The simplest way to do this is to "Restore Bios Defaults", or Clear CMOS.

Some people have reported that by going into the video cards control panel and "down-clocking" the cards performance settings they were able to clear up the video problem. Since W7 does not seem to tolerate any hiccups in the GPU, this would allow you to run a poor performing card in the W7 environment.
So for instance, you could set the GPU clock from a 777 MHz factory setting to 750MHz, and the ram clock from a 1126MHz factory setting to 1050Mhz, or similar small change for your particular card.

Hope that helps!
+1

Great post TVeblen,

To the OP, if you do find the need to check amps, make sure you understand what ports to your mult-meter you need to connect to & understand how to connect meter leads in order to read amps.

TVeblen has some great ideas about checking connections, fans, dust & voltage first, And checking bios/overclocking R we??? ... including graphics card???
My System SpecsSystem Spec
08 Dec 2010   #13
Afck91

Windows 7 Ultimate x64 6.1.7600
 
 

Hi guys, thanks for the replies.

I have just noticed my DRAM led on my motherboard is on?? This never used to happen??

EDIT: Reseated my 3 ram modules, and pressed MemOK button on my motherboard, the light only appears at start-up like it used to do.

I might do a whole clean install of Windows tomorrow, to eliminate any driver conflicts etc.

Thanks for your time guys
Adam

My System SpecsSystem Spec
.

08 Dec 2010   #14
OEM

OS3.5
 
 

Quote   Quote: Originally Posted by Afck91 View Post
Hi guys, thanks for the replies.

I have just noticed my DRAM led on my motherboard is on?? This never used to happen??

EDIT: Reseated my 3 ram modules, and pressed MemOK button on my motherboard, the light only appears at start-up like it used to do.

I might do a whole clean install of Windows tomorrow, to eliminate any driver conflicts etc.

Thanks for your time guys
Adam
Do you have a recovery program like Acronis to run a system recovery point first?

There are free versions of Acronis from Western Digital if you have a Western Digital Drive....

Western Digital Acronis True Image Full Version

There's a free one with Seagate too if you have a seagate drive...

Seagates Free Agent Utilities Download Page
My System SpecsSystem Spec
13 Dec 2010   #15
Afck91

Windows 7 Ultimate x64 6.1.7600
 
 

Just to let you guys know, and in case anyone comes across this thread in search of a solution, this was fixed by a clean install of Windows 7 - I guess it was a driver clash.

Cheers for the help guys

Adam
My System SpecsSystem Spec
Reply

 Windows 7 (64bit) random system crashes




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