Computer crashes when playing games like "sniper elite 3". Also the audio and video constantly stutters when doing anything.

allstarsucker

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Jun 22, 2015
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My pc seems to be running less smoothly than usual. At first every time i tried playing "sniper elite 3" my pc would crash in about 15 minutes after starting the game. right before it crashed there would be a loud buzz and my display, keyboard, and mouse would all lose connection but my computer would still stay powered on. it would just keeping beeping within about 15 second intervals or so until i forced it to power off by holding in the power button ( the restart button did not work). This same crash also happened once while playing the "Dayz" mod for "arma 2" on steam. lately i've just been avoiding playing those games, but other games like "gta 5" and "cod mw3" seem to work okay. But now my computer's audio and video constantly stutter no matter what i'm doing whether it's playing games or watching videos. I have a feeling the problem is my motherboard or cpu. I've ran a few different tests but they all read that everything was good. What i really want to know is, what is the problem here? i don't have a problem spending a little money to fix it, i just want to know what needs to be fixed/replaced.
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info:
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OS Name: Microsoft Windows 7 Home Premium
Version: 6.1.7601 Service Pack 1 Build 7601
Other OS Description: Not Available
OS Manufacturer: Microsoft Corporation
System Name: SCOTT-PC
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: GA-770T-USB3
System Type: x64-based PC
Processor: AMD Phenom(tm) II X6 1055T Processor, 2800 Mhz, 6 Core(s), 6 Logical Processor(s)
BIOS Version/Date: Award Software International, Inc. F4, 26/08/2010
SMBIOS Version: 2.4
Windows Directory: C:\Windows
System Directory: C:\Windows\system32
Boot Device: \Device\HarddiskVolume1
Locale: Canada
Hardware Abstraction Layer: Version = "6.1.7601.17514"
User Name: Scott-PC\Scott
Time Zone: Mountain Standard Time
Installed Physical Memory (RAM): 16.0 GB
Total Physical Memory: 16.0 GB
Available Physical Memory: 10.7 GB
Total Virtual Memory: 32.0 GB
Available Virtual Memory: 26.8 GB
Page File Space: 16.0 GB
Page File: C:\pagefile.sys

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Display Devices:
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Name: ASUS VH238 on AMD Radeon HD 7800 Series
Current Resolution: 1920x1080 pixels
Work Resolution: 1920x1040 pixels
State: Enabled, Primary, Output devices support
Monitor Width: 1920
Monitor Height: 1080
Monitor BPP: 32 bits per pixel
Monitor Frequency: 60 Hz
Device: \\.\DISPLAY1\Monitor0
ATI AMD Radeon HD 7800 Series
Manufacturer: ATI
Model: AMD Radeon HD 7800 Series
Device ID: 1002-6818
Subvendor: ASUStek Computer Inc (1043)
Current Performance Level: Level 0
Voltage: 0.835 V
GPU Clock: 1020.0 (1000.0) MHz
Temperature: 29 °C
Core Voltage: 0.835 V
Driver version: 15.300.1025.1001
BIOS Version: 113-AD41000-100
Memory Type: GDDR5
Memory: 2048 MB
Bandwidth: 153.6 GB/s
 

allstarsucker

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Jun 22, 2015
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That could very well be it. i took the cpu cooler off of the cpu to inspect it for physical damage. While doing so i remember some of the thermal paste coming off of the heatsink but until now i had no idea what that paste was. i thought it just might have been some adhesive keeping the cooler fixed onto the heatsink. But i definitely will try putting on an even layer of that paste and see what happens. Thanks
 

allstarsucker

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Jun 22, 2015
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Hey again. since you're answer i cleaned and reapplied the thermal paste to the cpu. My pc was working really good after that, but now all of a sudden it's been having audio/video stutters and i checked the idling temperature and it was between 43 and 45 celsius, whereas normally it was in the twenties.
 


Ehh, could be you incorrectly applied/removed the thermal paste, or a CPU fan isn't working, or your case doesn't have good fresh airflow.
http://www.tomshardware.com/faq/id-1849195/apply-thermal-paste-grease.html
http://www.tomshardware.com/faq/id-1858957/airflow-101-setting-fans-keeping-computer-cool.html
http://www.tomshardware.com/faq/id-1834682/install-heat-sink-cpu.html
 

allstarsucker

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Jun 22, 2015
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4,510
 

allstarsucker

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Jun 22, 2015
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I upgraded my psu not long ago and it was supposed to be an ok one. it's a rosewill fortress 550 watt. i think the problem has something to do with when i re-applied the thermal paste because at least before i did that the computer would start up and run, now all it does is power up, nothing gets a signal, windows doesn't load (because the primary hdd doesn't respond). i read that if you get any of the paste on the side of the cpu it can end up on the motherboard, damaging it. I'm not sure if i did that but it could be.
 


Well, you can take the CPU out of the socket and check, it should be fairly obvious as the paste will be silver/grey and the motherboard pins will be gold.
 

allstarsucker

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Jun 22, 2015
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[/quotemsg]Well, you can take the CPU out of the socket and check, it should be fairly obvious as the paste will be silver/grey and the motherboard pins will be gold.[/quotemsg]

i checked and also cleaned off the old paste again. i have gotten some on the edge of the underside of the cpu. i don't think i got any on the pins themselves just beside the pins. does this matter?
 


*shrug* if it's not starting up it could be. Also depends on the thermal paste used and whether it's conductive or not.

You can try seeing if it will start up with only the CPU and a single stick of ram inserted into the motherboard and nothing else, and try multiple sticks too.

It's possible you did some static discharge damage when poking around in there if you didn't ground or de-static yourself first.
 

allstarsucker

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Jun 22, 2015
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the thermal paste i used was conductive. i touched the metal on my screwdriver if that counts as grounding. i will probably want to put more paste on before i do tests right? i just don't want to have to keep putting it on if i have to open it up and clean it again.
 


You don't have to clean and replace it everything, but you should the final time.
If it it IS conductive then yeah something could have been damaged, you might try reseting the BIOS with the jumpers on the motherboard (read your motherboard manual, find it online)
The metal screwdriver isn't grounded. Your computer case is though, you should have kind of been keeping a hand on that to discharge yourself.
 

allstarsucker

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Jun 22, 2015
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i will try resetting the bios and putting a new layer of paste on and then see if it works ok. if i did do some static discharge damage, what would i have damaged and what would i need to replace?
 

allstarsucker

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Jun 22, 2015
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i touched the jumpers with a piece of metal for a few seconds to reset the bios. i don't know if it did anything or how to tell if the jumpers shorted out. i also put a fresh spread of paste on the cpu, put everything back and started up my pc. it all started up ok, the monitor gets a signal, the hdd is responding. i'll just wait and see if the performance is where it should be.
 


Most likely the motherboard is what gets damaged. CPU could be as well, but if it's starting up now maybe it wasn't damaged.