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pc wont boot after cleaning

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  • Gaming
  • Boot
Last response: in Motherboards
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September 23, 2014 11:24:04 AM

Yesterday I dismantled my gaming pc to completely clean it and after putting it back together the pc won't boot at all. What happens is I turn on the pc and the lights turn on for about 3-5 seconds and the fans begin to spin. The 990fx mobo reads a FF code then the entire thing shuts down. Nothing is projected to the screens so I'm not even sure I reach post. The only way I've noticed to pc will continue to run is by removing the power from the cpu. Please help as the whole system was working prior to cleaning the dust. Right now I am currently taking the pc apart to put it back together to make sure all wires were connected properly.

More about : wont boot cleaning

a b 4 Gaming
September 23, 2014 11:34:11 AM

complete cleaning............ did you remove the heat sink from the cpu and or pull the cpu at all?

are all the electrical connections set firmly?
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September 23, 2014 11:37:03 AM

have no idea whats your knowledge about technology(hardware)but if you use windex(windows cleaner as liquid )and you left some wet particles on the hardware then may damaged.otherways just make sure the power cables and memory(if it been removed)in place and secure.
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September 23, 2014 6:32:54 PM

swifty_morgan said:
complete cleaning............ did you remove the heat sink from the cpu and or pull the cpu at all?

are all the electrical connections set firmly?


The CPU CPU was cleaned using a small amount of alcohol then a plastic safe sensitive electronics cleaner. the cpu and heatsink were pull for the cleaning and cleaned also to apply a new layer of thermal paste. from what I can gather, the mobo is turned on without any additional gpu or anything. the heatsink and the cpu are connected to the mobo. when the mobo is turned on the everything turns on for about 5 second then the pc shuts down. the cpu is extremely hot and from what I can gather is the mobo's internal safety shuts it down from the heat. the cpu has no bent pins or anything visibly wrong. priot to the cleaning the entire pc worked so I know its not a hardware incompatibility problem. I have also disconnected and reconnected all the connections again so I am at a complete loss of any idea other than breaking it down again and putting it together to make sure I didn't miss something.
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a b 4 Gaming
September 23, 2014 6:58:01 PM

you reapplied new paste? heat sink is secured properly?... you didn't need to pull the cpu out to clean the top of it. no thermal goop got in the holes on the motherboard?

all electrical connections are snug?
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September 23, 2014 7:04:37 PM

try to reinstall your cpu and cpu cooler,maybe it's work.
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September 23, 2014 7:14:41 PM

swifty_morgan said:
you reapplied new paste? heat sink is secured properly?... you didn't need to pull the cpu out to clean the top of it. no thermal goop got in the holes on the motherboard?

all electrical connections are snug?


There's no thermal paste in the holes and as I am trouble shooting the problem the only things connected to the motherboard is the mobo power, the cpu, the 8-pin cpu power and the heatsink power. without the 8-pin cpu power plugged in the mobo runs and does not overheat (obviously as the is no cpu running) nad the cpu remains cool. when the 8-pin power is connected to give the cpu power the cpu overheats within a matter of seconds.
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September 23, 2014 7:15:27 PM

PIEapple said:
try to reinstall your cpu and cpu cooler,maybe it's work.


I have done this several time with no success and varying amounts of thermal paste to make sure.

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September 23, 2014 7:23:05 PM

badreligionxtc said:
PIEapple said:
try to reinstall your cpu and cpu cooler,maybe it's work.


I have done this several time with no success and varying amounts of thermal paste to make sure.



If I got a same problem,I will remove all and reinstall all back again.
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September 24, 2014 9:01:54 AM

PIEapple said:
badreligionxtc said:
PIEapple said:
try to reinstall your cpu and cpu cooler,maybe it's work.


I have done this several time with no success and varying amounts of thermal paste to make sure.



If I got a same problem,I will remove all and reinstall all back again.


i'll keep everyone posted but I will do that today.

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a b 4 Gaming
September 24, 2014 9:36:03 AM

what power supply are you using?... link.
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September 25, 2014 12:46:42 PM

ok, so I breadboarded the Mobo and the placed the bare pieces involved and the cpu still overheats in about 5 seconds... im truly lost now
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a b 4 Gaming
September 25, 2014 12:51:40 PM

You're definitely not plugging in the 8 pin pcie power connector instead of the 4/8pin ATX power connector? Seems silly but worth checking....
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a b 4 Gaming
September 25, 2014 1:09:30 PM

use a vacuum cleaner? create a static discharge. kinda sounds like the cpu is done. what are you using for a heat sink and thermal paste?
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September 25, 2014 2:18:00 PM

plywrlw said:
You're definitely not plugging in the 8 pin pcie power connector instead of the 4/8pin ATX power connector? Seems silly but worth checking....


haha that is kinda ridiculous but no, its the 8-pin and based on how I have the cables ran prior to the cleaning I couldn't mix then up.
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a b 4 Gaming
September 26, 2014 12:37:51 AM

badreligionxtc said:
plywrlw said:
You're definitely not plugging in the 8 pin pcie power connector instead of the 4/8pin ATX power connector? Seems silly but worth checking....


haha that is kinda ridiculous but no, its the 8-pin and based on how I have the cables ran prior to the cleaning I couldn't mix then up.


That's good at least! It does seem that either taking the PC to bits to clean it has somehow damaged the cpu or the cpu socket OR you are somehow not mounting the cooler properly. What is your motherboard, CPU and cooler? (make and model)
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