Computer keeps crashing

Cromulent

Cromulent

Cromulent

Soldato
Joined
1 Nov 2007
Posts
6,945
Location
England
So I built my dream machine and it seems to be crashing at certain times. I can play Crysis 2 on it without any problem at all which suggests it is not over heating but whenever I watch I fairly long YouTube video or a video on BBC iPlayer it completely locks up and freezes. The only way to get it out of that state is to turn the machine off or hit the reset button.

Also the amount of RAM that shows in Windows 7 changes on occasion. Sometimes it will show it has 12GBs of RAM and other times it will show the full 16GBs of RAM being available. It seems to change after a restart either up or down. I have no idea why that would happen though. I would expect it to always show 12GBs if the RAM is defective but at other times it shows the full 16GBs so I am completely stumped as to what the problem could be.

Any help is very much appreciated :).
 
Ok. Running memtest86+ now and there are shed loads of memory errors.

So I guess I should RMA my RAM and pick up some more. Thanks for the tip about memtest86+ I would never of thought of using it.
 
shankly1985 said:
What ram are you using? am also getting loads of errors on memtest, but if I run windows memory test it passes with no errors found. I get the odd BSOD every now and then, last time was two days ago.

So either memtest is not telling truth or windows isn't telling truth lol both programs are ment to be best for testing ram.
I have XMP setup but am not sure on couple voltages if there correct.
Click to expand...

I'm using the following RAM:

http://www.overclockers.co.uk/showproduct.php?prodid=MY-113-KS&groupid=701&catid=8&subcat=813

Edit: Just to note that I am using two of the above kits of RAM for 16GB total.
 
shankly1985 said:
Go into bios and see if you have a xmp profile option and enable it. if not you will have to input the settings manually you timings should be CAS Latency: 9-9-9-27 2N.
Click to expand...

Ok. I've just checked in the BIOS again and the latency settings seem correct. Also I still can't find the XMP setting anywhere.

Thank you for your help.
 
I've taken one of the RAM kits out and ran memtest+ and ended up with 20000 odd errors so I switched out that kit for the other one and am currently running memtest+ on that one.

Hopefully that will run without errors and it will be a simple case of a dud RAM kit.
 
Idleman said:
In the bios, click Ai Tweaker. Then scroll down to where it says Ai(overclock) Tuner.Click the blue box at the side, there are 3 settings "auto", "manual" and "xmp".
Click to expand...

OK. Thanks for the information. I've enabled it and it seems to working for the time being. Hopefully it'll stay working although I'm unsure why enabling XMP mode should fix the problem.

What does XMP mode do exactly?
 
OK, so I've done what was recommended and turned on the XMP profile and removed the RAM that was throwing errors using memtest+ but the computer still randomly freezes when browsing the web or watching flash videos.

Also now every now and again when booting up the machine the BIOS displays a screen saying overclocking has failed. This only happens when the XMP profile is loaded. I have tried to fix the issue by loading the standard settings in the BIOS and then just enabling the XMP profile and changing nothing else but the problems persist.

I'm at a complete loss as to what to do to fix the recurring problems. I would be very happy to hear if anyone else has any further suggestions to fix these problems :).
 
Idleman said:
Any luck so far?
Click to expand...

So far it seems to working OK. Thank you for your help. My system became much more stable after I upgraded to the latest AMD graphics card drivers. I'll do some stress testing to see if any problems show up over the next couple of days.

Thank you again for your help :).
 
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