Sometimes in middle when i play a game or seeing a video file the computer shut down suddenly

what can to be the problem and what i have to check
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Could be a heat issue. Check all the fans, are they spinning, covered with dust?
Sigurdur HaraldssonSystem AdministratorCommented:
If this only happens when you're running graphics intensive software, I'd update my graphics card driver.
Could you please tell us the specification of your computer (Make, Model, Processor, RAM, Operating System, and, most important of all,  Graphics Card(s)) so we can assist you further ...
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most often this is a heat issue (system shuts down if cpu gets to hot), check the cpu heatsink and fan for dust/crud buildup. this is a common problem when computers share an environment with smokers.

replace affected fans and clean the crud from the heatsink (or replace it, too). don't use a vacuum cleaner. while you're at it, check other fans in the system, too, such as for power supply and video card (if you have one).

if the power supply fan also needs replacing, note that breaking a factory seal on a power supply will void its warranty (if it has one). opening a power supply can also be dangerous; if you are not qualified to do the work, please have it repaired by a repair shop.

if you have a power-hungry video card, it could also be the power supply not able to deliver the amount of power that the video card (and the rest of the system) needs under a heavy load.. but check the fans first, as that is the most common culprit for this issue.
@nltech - you might want to consider reading the prior Expert posts and at least acknowledge them when you repeat their advice.

@bill201 - as requested here: http:#a34434068 we can't give you specific advice unless you give us some system details.
bill201Author Commented:
this is my computer infomation
motherboard:   Gigabyte GA-EP43-DS3L
cpu: QuadCore Intel Core 2 Quad Q8200
system memory  3328 MB
graphics card:       ATI Radeon HD 4800 Series  (1024 MB)
i use windows 7
Do you know if this is 32 or 64 -bit?

Also, have you installed the latest graphics driver from ATI's website ?
bill201Author Commented:
it's seems that all the fans works very well and i don't see any problem in that is not have a lot crud

how i can check if the  power supply not able to deliver the amount of power that the video card needs under a heavy load?
bill201Author Commented:
it's a 32 bit
and i have the last ati version
You need a power meter to check the power supply load.

Does your power supply meet system requirements?

ATI RadeonTM HD 4850 System Requirements
450 Watt or greater power supply with 75 Watt 6-pin PCI Express® power connector recommended (550 Watt and two 6-pin connectors for ATI CrossFireXTM technology in dual mode)
bill201Author Commented:
¿ have a Power supply ANTEC EarthWatts 650W
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
Get Prime 95 and


Speedfan is to monitor your temperatures.  Prime95 is to stress your system.

Run Prime95 and keep an eye on your temperatures.  See if the system crashes or not.  If it does then there is a problem somewhere in the system.

Prime95 probably won't stress your graphics card which could well be your problem.
Al JeeCommented:
Have you checked the Event Viewer to see if any errors are reported?
bill201Author Commented:
dbrunton please tell me what temp is not normal?
bill201Author Commented:
i attach a picture from this two softwares works together after about ten minutes and the cpu is on 100 is there a way to stress the system more?

Prime95 isn't going to help you in this case, all you are doing is stressing the processor (which shouldn't be the problem, I assume the graphics card is).

Would suggest downloading and playing a HD video file with SpeedFan on.
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
If you are getting 100 degrees under Stress then there is nothing wrong with the processor.

And probably nothing wrong with the motherboard or memory.

Note barryhelp's comment about using Speedfan to monitor temperatures while playing a HD video.  Not the processor temperatures but the video card temperatures.  Speedfan can monitor video card temperatures but I'm not sure if it handles yours.
bill201Author Commented:
in the speed fan i don't see at all any word about check the temp from the video card?
bill201Author Commented:
i found in the ati driver a temp monitor
and i attach a picture from this
and now i downloading a hd video file that it's big 30 gb and i will check the temp
OK, 96 degrees seems to be quite high for not doing anything...
bill201Author Commented:
bill201Author Commented:
Which definition you think that I will change there
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
You've got an option for manual speed control.  Enable it and move the slider across to 100%

See what happens like that.  The machine may be more noisier but there should be more air flowing to keep components cool.
bill201Author Commented:
i do it but in the last 15 minutes that temp stays the whole time between 87-89 temp, it's seems that it's a hardware problem but i still have a warranty...
Al JeeCommented:
Did you ever check the Event Viewer?
bill201Author Commented:

I do not know to examine  the relevant details in the event viewer
Al JeeCommented:
The link I posted gives basic information.
You will want to look for ERROR entries that were logged at the time of the computer shut-down.

Here's a link for Microsoft:
bill201Author Commented:
i found in the event diary  that many times when windows shut down it's happen after this error:
Event ID: 13
Version: 6.1.7600.16385
Al JeeCommented:
Double-click on the event to open it for [maybe] more details.

Did you look in the Application log also?
bill201Author Commented:
sorry for the long break i was outside town a few days unplanned

i looked by the application log  but i don't found something significant

now i see that the temp is 70 c is this normal?

i try to play with the High Performance GPU clock settings and with the High Performance Memory clock settings then the temp is about 55-57 but i don't know if it's recommended to play with the Performance settings and its can to affect the Performance
any way i think that the graphics card has to be enable to stand by all Performance settings with a normal temp, no?

dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
>> I try to play with the High Performance GPU clock settings and with the High Performance Memory clock

Leave as they were.

Did you enable the manual seed control and set the slider to 100%?

>>  the temp is about 55-57


bill201Author Commented:
>>Did you enable the manual seed control and set the slider to 100%?
>>CPU or GPU?
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
Idle should be around 50 degrees Celsius.  Perhaps up to 55.

If it is getting up to around 70 degrees while working that is OK.
bill201Author Commented:
after i restore the performance settings to the defaults but the fan control is 100 the temp up to 87 (i see a live internet video and that it!)

dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
That's OK.

That GPU can get up to over 100 degrees.  Just keep an eye on it.

Also try running your computer with the case open.  You may not be exhausting your hot air sufficiently.

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bill201Author Commented:
thanks a lot
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