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Computer keeps restarting

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lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 04:25 GMT
#1
Hey guys, i recently sold my parts to a friend to replace his pc, and i switched all my stuff out, and for some reason my pc restarts randomly Or the monitor dies and doesnt work until i restart my pc.

Specs
I5 750
470GTX 1280GB
4GB RAM DDR3
750PSU Corsair
Asus P7H55-M PRO.

I have not overclocked anything, I think its because im using a OEM heatsink.
jtype
Profile Blog Joined April 2009
England2167 Posts
October 23 2010 05:16 GMT
#2
Is it giving you a blue screen when it restarts? When is it restarting? You say it's random, but is it while it's idle? Or mostly under load? Or during the boot sequence?

What OS and software/games (generally) are you trying to run?
lethal111
Profile Blog Joined May 2010
Canada460 Posts
Last Edited: 2010-10-23 06:07:02
October 23 2010 05:28 GMT
#3
It just restarts, like the monitor shuts down, the pc shutds down for like 1sec and boots up fine, no BSOD, Os is window 7 64BIT and Starcraft 2 is the only problem, and its fun idle. Like sometimes it will let me play SC of 2hrs and then restart, then sometimes when i start SC2 up for like 1minute, it restarts, i think its this stupid cheap ass heatsink, and then when i was playing MOH, my GPU just automatically reset itself back to default.
Sequel
Profile Joined August 2010
United States6 Posts
October 23 2010 07:17 GMT
#4
Start narrowing stuff down, beginning with the easy stuff. Scan for viruses/malware. Check your CPU temps with RealTemp or CoreTemp to see if they're too high. Check your GPU temps with GPU-Z. Run memtest86 to see if your RAM is OK.

If you don't find the problem there, you can move on to the fun stuff, like swapping out your PSU and resetting motherboard BIOS.
lethal111
Profile Blog Joined May 2010
Canada460 Posts
Last Edited: 2010-10-23 07:45:29
October 23 2010 07:35 GMT
#5
On October 23 2010 16:17 Sequel wrote:
Start narrowing stuff down, beginning with the easy stuff. Scan for viruses/malware. Check your CPU temps with RealTemp or CoreTemp to see if they're too high. Check your GPU temps with GPU-Z. Run memtest86 to see if your RAM is OK.

If you don't find the problem there, you can move on to the fun stuff, like swapping out your PSU and resetting motherboard BIOS.


Coretemp get tos 40 degrees
GPU temp is about 55 degrees
the PSU is the same on my old system, its a TX 750W Corsair
RAM is fine.
My old system

Asus M4A758-M
Anthlon X3
Corsair 750W
470GTX GPU
DDR2 of 4GB
and everything was fine, no problems and when i put my new things in

Asus P7H55-M PRO
GTX 470GPU
i5 750
750W PSU
DDR 3 of 4GB

The only things diff r the CPU,RAM and mobo and when i did that i started to have problems, the old build was fine. Reset BIOS
Stone
Profile Joined February 2009
United Kingdom155 Posts
Last Edited: 2010-10-23 12:30:57
October 23 2010 12:29 GMT
#6
if u havent alrdy, lower all ur graphic settings in sc2 to the very lowest. this will put less stress on ur system, even tho ur system can chew the ultra settings up, give it at try and if this cures the random resets, then its probably an overheating issue. i had exactly the same problem.
Adila
Profile Joined April 2010
United States874 Posts
October 23 2010 13:13 GMT
#7
Well, have you tried formatting and reinstalling everything?
Doko
Profile Joined May 2010
Argentina1737 Posts
October 23 2010 13:57 GMT
#8
Try different PSU if available
----> Try Removing power saving features in the BIOS / speedstep c1e
------> Try individual Ram sticks and run intelburntest on each.

** Intelburntest is gonna heat up your processor a LOT, way beyond any normal gaming you might do, monitor your temps while its running to make sure its not going above like 85-90C.
MrCon
Profile Blog Joined August 2010
France29748 Posts
October 23 2010 14:08 GMT
#9
Usualy, the monitor just turning off + random restart is the graphical card dying.
I had twice the exact same experience with 2 dying GPU (restart or crash watching youtube video, or playing agame, but not in windows if I do nothing in windows. Only while playing a video or a game)
Well, that's just my experience.
LaiShin
Profile Joined November 2005
Australia978 Posts
October 23 2010 14:40 GMT
#10
Try doing a memtest.

I have the exact same problem (with Asus P5Q3 and have narrowed it down to memory (g skill ddr3 1333 2GB x2) being incompatible with the motherboard. Mine restarted after doing a memtest. I have no idea on how to go about dealing with this other than switching memory till i find the right one and tweaking dram stuff. No luck yet.

Haven't played SC2 for almost 2 months now.
Neivler
Profile Blog Joined November 2008
Norway911 Posts
October 23 2010 15:36 GMT
#11
If you dont get the Blue Screen it might be cuz you have the insta-restart on. So that if the PC goes to blue screen it will instantly restart. Turn that off from the bios screen, or it is in the windows setings before startup
I pwn noobs
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 16:28 GMT
#12
@Neivler, insta restart was never on. They are not BSOD

@LaiShin and Doko the DDR3 Ram is fine, they were not problems with it

@Mr.Con, I am either thinking it is my PSU OR GPU because they were both transfered from my old pc without ANY problems to THIS one im currently using, and after that , i started to experience the problems.
Myrmidon
Profile Blog Joined December 2004
United States9452 Posts
October 23 2010 16:38 GMT
#13
Your idle temperatures look normal, but of course we're more interested in load temperatures. What are they like in SC2 or other more stressful conditions?

I think you should try replicating the computer restarts through other means to understand what conditions really are triggering it. e.g. if the computer restarts when CPU stress testing but not GPU stress testing, that tells you it's probably not the GPU at fault.
G_Wen
Profile Joined September 2009
Canada525 Posts
October 23 2010 16:55 GMT
#14
I had this problem for a while but it turns out I was undervolting my ram by quite a bit. Seems like you've run memtest already but I'd methodically check that everything is ok just one more time.
ESV Mapmaking Team
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 17:55 GMT
#15
@Myrmidon
GPU Temp underload is 70~75 degrees
CPU underload is 65degrees
when they were underload, my computer never restarted.

@G_WEN
DRAM looks fine, ram mem test individually, and together and there r no problems
Grond
Profile Blog Joined June 2010
599 Posts
October 23 2010 18:25 GMT
#16
Most common cause of random reboots is PSU. Corsairs are very good but I'd still try to rule that out. GPU and CPU temps under load are high, especially for not overclocking. Not terribly high but high enough that it could be the problem. I'm not a fan of stock heat sinks but they should be ok if you are not overclocking, it seems more likely it's a case ventilation issue. Double check your voltage settings and RAM timings in BIOS, you didn't specify whether they were manual or auto.
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 18:33 GMT
#17
On October 24 2010 03:25 Grond wrote:
Most common cause of random reboots is PSU. Corsairs are very good but I'd still try to rule that out. GPU and CPU temps under load are high, especially for not overclocking. Not terribly high but high enough that it could be the problem. I'm not a fan of stock heat sinks but they should be ok if you are not overclocking, it seems more likely it's a case ventilation issue. Double check your voltage settings and RAM timings in BIOS, you didn't specify whether they were manual or auto.


Those loads are all 100% and everything it auto in BIOs
thehitman
Profile Blog Joined July 2010
1105 Posts
Last Edited: 2010-10-23 18:40:35
October 23 2010 18:39 GMT
#18
If its just restarting then try this:
My computer>properties>advanced>start up and recovery settings>uncheck "automatically restart"

Since you say your monitor also sometimes shuts down I'm thinking loose cable to the GPU or faulty PSU.
Check the 6pin connectors, check the DVI/VGA cable from the GPU to the monitor and check with another PSU.
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 19:00 GMT
#19
I used a different PSU before, i was using a OCZ 600W PSU with the 470GTX and there were no problems, and it started to have problems when i put in the new MOBO,ram, and CPU, and the VGA cables are not loose.
Grond
Profile Blog Joined June 2010
599 Posts
October 23 2010 19:56 GMT
#20
The thing is a new Mobo means an entirely new batch of BIOS settings and there are multiple settings that could be causing the problem. Building a new PC is not quite the plug and play experience it often gets passed off for. First thing you need to do is get the list of timings from the RAM manufacturer and try setting them manually. Also if you google your Mobo/RAM you should find some forums discussing working RAM timings. I heavily recommend doing that next.
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 23 2010 22:22 GMT
#21
On October 24 2010 04:56 Grond wrote:
The thing is a new Mobo means an entirely new batch of BIOS settings and there are multiple settings that could be causing the problem. Building a new PC is not quite the plug and play experience it often gets passed off for. First thing you need to do is get the list of timings from the RAM manufacturer and try setting them manually. Also if you google your Mobo/RAM you should find some forums discussing working RAM timings. I heavily recommend doing that next.


the RAM timings are fine, but it hasnt happened since i turned my power setting to "performance" from "power saving"
Grond
Profile Blog Joined June 2010
599 Posts
October 23 2010 23:37 GMT
#22
The BIOS setting or the Windows setting? The Windows setting just changes the multiplier, increasing it seems unlikely to solve the problem. Changing performance level in BIOS alters the RAM timings which would make sense.
thehitman
Profile Blog Joined July 2010
1105 Posts
October 24 2010 03:05 GMT
#23
If it hasn't happened since you switched to performance that means the problem is with your CPU/GPU downclocking. Probably screwed BIOS.

Best thing to do is flush bios and install the newest one.
Terranist
Profile Blog Joined March 2009
United States2496 Posts
October 24 2010 04:16 GMT
#24
On October 24 2010 07:22 lethal111 wrote:
Show nested quote +
On October 24 2010 04:56 Grond wrote:
The thing is a new Mobo means an entirely new batch of BIOS settings and there are multiple settings that could be causing the problem. Building a new PC is not quite the plug and play experience it often gets passed off for. First thing you need to do is get the list of timings from the RAM manufacturer and try setting them manually. Also if you google your Mobo/RAM you should find some forums discussing working RAM timings. I heavily recommend doing that next.


the RAM timings are fine, but it hasnt happened since i turned my power setting to "performance" from "power saving"


it's almost always a windows issue. everyone on here jumps to hardware conclusions so quickly that some people fuck up their PCs for good trying to fix a simple issue. good job, but if it reoccurs, i would check if the GPU drivers are functioning properly to be cautious and disable automatic restart to give you a better idea.
The Show of a Lifetime
iPlaY.NettleS
Profile Blog Joined June 2010
Australia4370 Posts
October 24 2010 05:48 GMT
#25
On October 24 2010 01:28 lethal111 wrote:
@Neivler, insta restart was never on. They are not BSOD

@LaiShin and Doko the DDR3 Ram is fine, they were not problems with it

@Mr.Con, I am either thinking it is my PSU OR GPU because they were both transfered from my old pc without ANY problems to THIS one im currently using, and after that , i started to experience the problems.

whats the power wattage on the PSU?
maybe it doesn't produce enough watts to run the new system
try the GPU in a different machine , see if it still crashes
https://www.youtube.com/watch?v=e7PvoI6gvQs
Grond
Profile Blog Joined June 2010
599 Posts
October 24 2010 05:56 GMT
#26
On October 24 2010 13:16 Terranist wrote:
Show nested quote +
On October 24 2010 07:22 lethal111 wrote:
On October 24 2010 04:56 Grond wrote:
The thing is a new Mobo means an entirely new batch of BIOS settings and there are multiple settings that could be causing the problem. Building a new PC is not quite the plug and play experience it often gets passed off for. First thing you need to do is get the list of timings from the RAM manufacturer and try setting them manually. Also if you google your Mobo/RAM you should find some forums discussing working RAM timings. I heavily recommend doing that next.


the RAM timings are fine, but it hasnt happened since i turned my power setting to "performance" from "power saving"


it's almost always a windows issue. everyone on here jumps to hardware conclusions so quickly that some people fuck up their PCs for good trying to fix a simple issue. good job, but if it reoccurs, i would check if the GPU drivers are functioning properly to be cautious and disable automatic restart to give you a better idea.


On a newly built computer? It's far more likely to be a hardware, BIOS, Driver problem than Windows. Even if it wasn't a new computer the symptoms aren't consistent with a Windows error. Also that particular setting is one of the only ways you can change BIOS settings from within Windows.
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 24 2010 15:50 GMT
#27
Ok, everything is fine, ram timing is fine in the BIOs, just today i booted my pc up and after the windows screen's saying "Window 7 is loading" right after that, i got a blue screen, no dumps, not nothing just a blue screen.
Terranist
Profile Blog Joined March 2009
United States2496 Posts
October 24 2010 20:11 GMT
#28
boot in diagnostic mode and try to get to event viewer or if you can boot into safe mode, find out where it hangs during windows startup. sounds like a driver got corrupted. what have you installed so far? which GPU and drivers are you on? any virtual drives?
The Show of a Lifetime
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 24 2010 20:19 GMT
#29
On October 25 2010 05:11 Terranist wrote:
boot in diagnostic mode and try to get to event viewer or if you can boot into safe mode, find out where it hangs during windows startup. sounds like a driver got corrupted. what have you installed so far? which GPU and drivers are you on? any virtual drives?



Im on the nvidia 260.89 drivers for the 470GTX, and under event viewer in critical it says kernel power.
Deleted User 50491
Profile Blog Joined July 2009
721 Posts
October 24 2010 21:24 GMT
#30
CPU is either going to hot or quad core gaming is annoying with sc2 try to only run 2 cores instead of 4. What are your temps when running sc2?
thehitman
Profile Blog Joined July 2010
1105 Posts
October 25 2010 00:47 GMT
#31
Best thing now would be to reinstall OS. There is an option to just rewrite the current OS and not loose any stuff.
Grond
Profile Blog Joined June 2010
599 Posts
October 25 2010 20:07 GMT
#32
Try turning off Intel Speedstep and C-State in BIOS.
Dagon
Profile Joined August 2010
Romania264 Posts
October 25 2010 22:19 GMT
#33
I used to have the same problems and in my case it was because of the drivers on my GPU (radeon HD 4670) on Windows xp. Even after replacing the drivers with opere ones i still had the same prob, so i switched to win 7 and that solved it.. But apparently you are running 7 allready so, i don't know.. It could be software.. If you're lucky..
lazerwizz
Profile Joined July 2010
Hungary53 Posts
October 25 2010 23:23 GMT
#34
I think your PC needs to see a real doctor aka a tech guy who knows how to repair the problem.
"Apparently a product doesn't need to be perfect just good enough."
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 25 2010 23:54 GMT
#35
@Kuo the tempt is about 48~50degreees when playin SC2
@Ground will do

The problem isnt persistent, but it still worries me
lethal111
Profile Blog Joined May 2010
Canada460 Posts
October 26 2010 01:49 GMT
#36
you guys think its because its running at 3.2GHz every though its suppose to run at 2.6Ghz and i dont even know how its running at 3.2Ghz
jaj22
Profile Joined September 2009
United Kingdom1376 Posts
October 26 2010 02:23 GMT
#37
On October 26 2010 10:49 lethal111 wrote:
you guys think its because its running at 3.2GHz every though its suppose to run at 2.6Ghz and i dont even know how its running at 3.2Ghz

It's called Turbo Boost. It's a feature of i5 and i7 CPUs that kicks in when you're only loading one or two cores. It's certified by Intel when they manufacture the CPU, so it's not normally a reliability risk.

Grond
Profile Blog Joined June 2010
599 Posts
Last Edited: 2010-10-27 20:55:03
October 27 2010 20:45 GMT
#38
Speedstep, C-State and Turbo boost all have the ability to change your BIOS from within Windows. I know it changes the multiplier, not sure about bus speed and memory timings. There was a KB about this causing some kernel power errors and I believe there was a hotfix. I'm not sure of all the details. My course of action would be to update the BIOS, reinstall Windows and set multiplier, bus speed and timings manually, those are things I always do anyway. Your temperature while slightly high is not high enough to be the issue. If you reinstall use the latest drivers from the website, not the CD. I would be especially concerned that the Chipset driver was buggy or didn't install correctly.

Auto settings have been problematic for as long as I can remember. Your better off researching the correct values for everything and setting it manually. There are several hardware forums that cover this in detail, it should be especially easy to find this for an Asus board.

While memory timings may not be the issue the reason I keep harping on this is because manufacturers don't program their memory to operate at all conceivable timings. Motherboards do not know which timings your memory can run at so using auto is just hoping you get lucky. Granted you usually will get lucky but not always, I prefer to be sure.
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