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What usually causes a system to just lock up without any error or blue screen?

Nocturnal

Nocturnal

Lifer
Just completely locks up, no warnings, no errors in event viewer, no nothing. What are the first things you guys would check?

I've already ran memtest86 and Prime95 for over 24 hours and both were fine.

Please advise.
 
Are you doing anything in particular when the system freezes, like listening to MP3s or downloading stuff?

I would normally say overheating or memory errors, but since you ran prime and memtest, I'm not sure what else to say. What are the specs?
 
I would think if it was a Windows error that the event viewer would have logged something. There is nothing there. Any other ideas?
 
Normaly hard locks w/ no error are caused by failing hardware or bad hardware drivers, its rarely strictly a software issue unless its interfearing w/ a hardware driver (for example pc anywhere can cause random lockups like your describing w/ some older versions and xp)
 
I really doubt it's a Windows issue.

It's almost certainly hardware related, i'd say.

My first guess would be RAM.

I know you've memtested, etc., but i've done that too, only to still have issues.

Could be a bad RAM slot. Try different slots, or just one dimm for a while to see if it continues.

It could be a drivers conflict, but you'll nearly always get a BSOD if that's the case.
I'd reformat to remove any doubts about software.

Also, if you are OCing, drop to stock for a while to see what happens.
 
Yes, it's definitely your PSU that's the problem. Those voltages are way beyond spec. Is it from a reputable brand? If not, get rid of it before it fries your parts.
 
Driver errors or hardware problems.

I used to have a laptop that would hard freeze under Windows and Linux. It had a bad SODIMM. My current system will hard freeze when playing GTA...I need to update my video drivers.
 
I have an Antec TruePower 550W PSU. The thing is up until five minutes ago I never used that control panel thing that you're supposed to connect. Once I connected that my voltages are in spec via BIOS, SiSoft Sandra and Asus Probe 2.
 
Originally posted by: Nocturnal
According to SiSoft Sandra my voltages are kinda off. 12+ is 10.92, 5+ is 4.44, 3.3+ is 2.85. Is this a problem?
Click to expand...

Huge problem. Your PSU is probably defective.
 
Is it the true control 550? If so it's been great for me with the A8N-SLI deluxe, but it does depend on the control panel to operate correctly, and the control panel offers adjustments for all three rails.
 
Originally posted by: GuitarDaddy
Is it the true control 550? If so it's been great for me with the A8N-SLI deluxe, but it does depend on the control panel to operate correctly, and the control panel offers adjustments for all three rails.
Click to expand...

Yes, it's the TrueControl, not the 2.0 version and I have never had the control panel hooked up until today. Perhaps the low voltages were finally taking a toll. I hope I have not damaged anything.
 
I have an msi k8n neo2 also, and it leads me to believe the latest bios update may be the source of the freezing issue, because I also get these strange lock ups, and they started only after I updated my bios
 
I think I figured it out. I believe it was my power supply. I have the TrueControl PSU and I hadn't hooked up the control panel so it was running at 95% of its rated power. So I think my system was running on really low voltages and was freezing due to that. Ever since installing the control panel I haven't had one single hiccup and this is with testing with Memtest86 and Prime95.
 
sumtimes after playing bf2 i open speedfan and i get a blue screen it dumps my memorya and reboots. Than i yell "I love you Bill Gates!" hes just an awsome guy you know 😀
 
Originally posted by: w00t
sumtimes after playing bf2 i open speedfan and i get a blue screen it dumps my memorya and reboots. Than i yell "I love you Bill Gates!" hes just an awsome guy you know 😀
Click to expand...

thats a driver problem, i'd say. have you updated speedfan and/or your motherboard drivers?
 
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