CPU/Mobo Need Advice/Help: PC problem

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amit

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HI guys,

My PC is acting strange from last 3 days.I tried to clean my memory and memory slot and many known alternative way but still in vain.Last night i noticed something and i have doubt about my Mother board.Hence want your support and thought on this.

PC info is as follows-
Model :Ta785G3HD
CPU :AMD Athlon II x4 630 2.8 GHZ
VGA : Onboard
RAM :Kingston 1333 Mhz 2 X 2 GB
HDD : Seagate 500 GB Sata
Powersuppy:450 watt
My PC used to start for some time and suddenly after few min it is restarted,and while again booting OS is never loaded nor any display on monitor and also it cant be shut down by pressing power button for while.

When i checked motherboard,i found strange indication from Power phase and LED indicators i.e (ph1~ph4,LED1,LED2).When Initially OS loaded the Ph1=on other Ph were off. LED1,LED2=ON.(seems OK). After few seconds Ph1,Ph2,Ph3,Ph4 got ON in increasing order and LED1 and LED2 = OFF. (seems Chipset /CPU Error).Computer Restarted.Motherboard running but cant shutdown.Want your thoughts.

I bought this whole kit 8 months ago.If there is a motherboard problem can you tell me where is customer service center for BIOSTAR in INDIA in MUMBAI?
Thanks.
 
one of my friend had the same problem with the biostar mobo. don't know the exact situation now. will ask him and get back to you.
 
Can you check if there is dirt accumulated on the CPU cooler and fan? I had the same problem a few years ago (albeit with a different motherboard) and there was a lot of dust which used to cause the CPU to heat up and reboot during operation. Also, it used to have the same problems of display not coming on unless the CPU has cooled down. Cleaning it thoroughly fixed the issue.
 
It could be motherboard but first check PSU unit in another system/ replace it with an alternate. Sometime faulty reset/power chassis button yield weird problems, try booting direct from power jumper.
 
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