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Windows 7: PC Frequently Locks Up - Nothing responds


13 Feb 2012   #1

Windows 7 Ultimate x64
 
 
PC Frequently Locks Up - Nothing responds

I built a new PC this past summer (specs are in my info). During the initial setup and installation of windows it locked up on me, but after a couple of tries, Windows 7 Ultimate x64 was properly installed. Since that point my computer locks up relatively frequently. When it locks up nothing responds...mouse and keyboard are useless, the last 16th of a second of sound is repeated, and the network itself actually locks up (no other computers on the network can access each other or the internet).

The computer locks under the least demanding situations. I can play Skyrim for hours with the graphic settings set to max and it doesn't freeze. Meanwhile I play Dungeons of Dredmor or some fairly basic flash games, and within a half hour my computer will lock up.

I have run Memtest for 48 hours resulting in 0 errors. I have RMAed the processor & the motherboard. I have taken out one of the video cards and switched them. I have updated the bios. All of which have had no effect.

Initially the CPU was running quite hot with the stock heatsink, but upon replacing it the CPU peaks at 50c.

I am at a loss as to how to proceed. Any help would be much appreciated!

My System SpecsSystem Spec
.

17 Feb 2012   #2

Windows 7 Home Premium 64 Bit
 
 

It may be due to having so much RAM in your system. The default Auto values in the BIOS for RAM controls are set assuming 4 GB or less of RAM. To provide support for more ram, manual tweaking of those settings must be done. Please download and install CPUZ and Upload screenshots of the CPU, Mainboard, Memory, and SPD tabs.

Also, go into your BIOS and post all RAM and CPU Voltages and all RAM settings (timings, frequency, etc.)

Thanks to Dave76 for help learning RAM Stability

Also, if you are overclocking any hardware, please stop.

You may also be interested in reading the Quote by usasma regarding SSDs in post #2 of Randomly Reoccurring BSOD - ntoskrnl.exe

Also, what network adapter are you using for the system that is locking up?

Please follow the http://www.sevenforums.com/crashes-d...tructions.html to provide us with more information regarding your system and possible conflicts (these instructions do more than help with blue screen crashes).
My System SpecsSystem Spec
18 Feb 2012   #3

Windows 7 Ultimate x64
 
 

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I have never actually gotten a blue screen of death with this PC...just a hard lock...which makes it a lot harder to troubleshoot. This isn't a problem with the SSD, or at least I assume it is not; I initially did not have the SSD and installed on the 2tb hard drive (or at least a partition of it) and the problem existed at that point as well.

When you ask about my network adaptor, I assume you are inquiring about my NIC...I am just using the onboard NIC on the ASUS P8Z68-V PRO. If that is not what you are asking, let me know.

On this current set up, I have not gone through updating the bios yet, but the Motherboard I RMAed had been fully updated and the problem had not been resolved.

Attachment 199035
My System SpecsSystem Spec
.


18 Feb 2012   #4

win 7 ( 64 bit)
 
 

i'd start by boosting up your core voltage to say 1.15 and see if that helps.


scrooge
My System SpecsSystem Spec
18 Feb 2012   #5

Windows 7 Ultimate x64
 
 

scrooge, I am at a bit of a loss, I see core voltage in the CPU-z program, but I don't see it anywhere in my BIOS
My System SpecsSystem Spec
18 Feb 2012   #6

win 7 ( 64 bit)
 
 

in the last bios screen it says cpu voltage (offset mode) and it says it 1.16 but cpuz says 1.00.
can you change the offset mode to anything else ?
My System SpecsSystem Spec
18 Feb 2012   #7

Windows 7 Ultimate x64
 
 

I can change it from offset to manual
My System SpecsSystem Spec
19 Feb 2012   #8

win 7 ( 64 bit)
 
 

( I can change it from offset to manual )

if you change it to manual you should be able to change the voltage from there.
if you can't find it then maybe wait till someone else no's your motherboard/bios and can give you more help on it.
i thing if you can get the voltage up alittle more it will fix your bsod.
My System SpecsSystem Spec
19 Feb 2012   #9

win 7 ( 64 bit)
 
 

i just checked my bios and found that after you change the offset mode to manual the next line down should say fixed mode. thats were you can shoud be able to change the setting. remember not to put it to high. just maybe 1.17 /1.18 cause your bios said it set at 1.16 . if you want you can go alittle higher and test it .if it works them go down abit till you
get a crash again then move up abit from there to get it stable.

scrooge
My System SpecsSystem Spec
19 Feb 2012   #10

Windows 7 Ultimate x64
 
 

thanks, I will go ahead and try that and test it out tomorrow to see if it helps
My System SpecsSystem Spec
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