PC not booting ...behaving strange.

Alok

Alok

Adventurer
Hi friends. ..

Its been two days my pc gone mad. I properly played that night..but when tried to start yesterday morning ...it did not beep (bios post), no monitor display, all fans working as should. Didn't boot.
I checked ram, cleaned, swapped slots, tried single channel in both slots, even checked with friends ram....but it didn't boot.
After that ( A.C. power outage) , I tried to boot on home inverter power...I it worked like butter...played game to check if every thing fine.. it worked as normal.
Again when power swiched to A.C. , it booted in 3-4 attempts but as soon I entered user account password I restarted automatically. ... since then it doing same with A.C. power ...one or two times I also reached till desktop but tried to do any process ...it gets off and restart.....
I open everything ... cleaned whole cabinet. ..heatsink. ..applied new thermal paste...reconnected again...but still problem exists as such.
Its not working with A.C. power but fine and performing on inverter power. .
Wth is this..beyond my approch...anyone try to solve this.....


My config...

C2d e7500 @2.93GHz on ASUS p5klam-ps mobo
2GB single ch ram
HD 6790
Corsair GS600
 
OP
Alok

Alok

Adventurer
Ok...but how it works on inverter supply....on inverter it just normal. ..tried gaming also..
 
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OP
Alok

Alok

Adventurer
Update : if I leave it some time after pressing power button ...it gives beep error ...after that if I plug off and plug in power again ...it boot ...bot only in safe mode it is stable. On normal it get restarted after login screer or if anyhow logged in then it restart by doing any process like refresh or right click.
 
OP
Alok

Alok

Adventurer
Update : system started to boot but putting any load like game...hd movie or any software it goes black and restart automatically. . What this means ?? PSU or something different ?

Confirming that cpu temp are normal.
 
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icebags

icebags

Technomancer
how old is psu and what brand ? seems definitely psu stuff.

also check if fgx card is seated in it's slot properly, secured tightly with screws.
 
harshilsharma63

harshilsharma63

DIY FTW!
Alok said:
Update : system started to boot but putting any load like game...hd movie or any software it goes black and restart automatically. . What this means ?? PSU or something different ?

Confirming that cpu temp are normal.
Click to expand...

Try reassembling the system. Also, how old is the thermal paste?
 
OP
Alok

Alok

Adventurer
In safe mode it stays and don't restart. ..I did prime 95 blend test ...it was fine. When I start in normal mode it restart without warning if I run any slight intensive process even a Google search in chrome. What now ?
 
OP
Alok

Alok

Adventurer
icebags said:
how old is psu and what brand ? seems definitely psu stuff.

also check if fgx card is seated in it's slot properly, secured tightly with screws.
Click to expand...

Corsair gs600 already mentioned. 18 months old only. Checked and properly seated/connected everything.
 
OP
Alok

Alok

Adventurer
Ok will do. Also a fact making trouble that how everything run smooth on inverter supply.

friends, I want to confirm what is broken before calling for RMA on anything.
 
OP
Alok

Alok

Adventurer
It booted this time . I grabbed pic of hw monitor ... look here if anything wrong. ..
View attachment 13399
Now run prime95 test. Cpu temp is increasing ...normal - 37c ...test1 50c test2 ..60c....test 3...70c
 
rijinpk1

rijinpk1

Aspiring Novelist
the 12v line is dying. rma-ing psu is the next step. just to make sure, try hwinfo to see the same info or not.

also using your pc with that psu is not recommended. either lend another psu until you get replacement or do not use it.

also using your pc with that psu is not recommended. either lend another psu until you get replacement or do not use it.
 
OP
Alok

Alok

Adventurer
UPDATE: here is what overall conditions 》
My pc has changed booting behavior. ..here is how it goes
1. Press power button
2. Wait till 1 long 2 short beep.
3. Hold power button to power off then turn on again.
4. It will start now with normal post beep. As far now it was found stable only one time ...but often its not stable you do any stressful process and screen goes black and pc reboots.
 
OP
Alok

Alok

Adventurer
rijinpk1 said:
the 12v line is dying. rma-ing psu is the next step. just to make sure, try hwinfo to see the same info or not.

also using your pc with that psu is not recommended. either lend another psu until you get replacement or do not use it.

also using your pc with that psu is not recommended. either lend another psu until you get replacement or do not use it.
Click to expand...

Oh I see. Thanks a lot. So finally its psu... that 12v line ..I will do RMA request now.
Btw how you identified. .
 
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