Newly built system now doesnt start after remounting cooler and removing thermal paste

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AkashPaul4

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Mar 9, 2014
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I have remounted a water cooler onto my motherboard after i had two different type of paste on my cpu and it reached 90degress C when i first turned it on after boot up and now i have removed that thermal paste and re-applied the paste and re-installed the water cooler and i have made sure everything is in place and installed, but just a small probelm! it does not turn on now and im pretty sure the cpu has not burned out. or maybe i have to clear out the BIOS?
 
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techgeek
Well I'm betting it wasn't the reset switch that was loose on the front panel connections, it would have been the power switch like I said. If the reset switch was loose, it wouldn't have stopped your computer from booting, it just wouldn't have responded to you pushing the reset button if your computer had booted.

As for it getting louder, even with water cooling you should expect it to become louder. Especially if you have the pump and/or the radiator fans connected to the motherboard and thus controlled by the motherboard. If your motherboard controls the case fans, same thing. I have an Eisberg 240L, and my rad fans are controlled by CPU and CPU_OPT. As soon as I start something CPU intensive (like Prime 95), the fans on the...
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techgeek

techgeek

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Apr 11, 2004
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I would check around and make sure that no power cables have been dislodged (ATX and EPS/CPU).

Do you have a case speaker? If so do you hear any beeping when you try to turn it on? Do the fans in your case come on? Does the hard drive start to spin?

You could try a BIOS reset, but I'd check these other things first. If you were trying to overclock, I would certainly reset the BIOS.
 
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rebelyell17225

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Mar 15, 2014
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90c is pretty hot. you could try clearing out the cmos then setting your bios back the way you want it. i would also check the mobo by removing all ram sticks and booting up and listen to how many beeps there is. asrock 970, 3 beeps means mobo is good. check with your mobo guide or support to see how many beeps tells all is ok.

i would try clearing the cmos 1st. hope this helps

I had a similair problem before and nothing would boot. clearing the cmos imo will clear out any error codes stopping it from posting.
 
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techgeek

techgeek

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Apr 11, 2004
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No your computer doesn't have to be able to turn on to clear CMOS. The procedure will be detailed in your motherboard manual. Usually involves unplugging the computer, moving a jumper on the motherboard (CLRTC) and leaving it for a few seconds moving the jumper back, plugging back in and attempting to boot up. Sometimes you have to remove the CMOS battery. It should all be detailed in your motherboard manual.
 
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AkashPaul4

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Mar 9, 2014
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Ok as I don't have a CMOS jumper and the motherboard Manual clearly states I can clear out the CMOS values by using a metal screwdriver touching the clr CMOS headers for a few minutes.
 
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techgeek

techgeek

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Apr 11, 2004
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Sorry, short means short circuit. Find something conductive and connect the two pins for the CLR CMOS. Hold it shorted for 10 seconds. Just to be sure have the battery out while doing this. Then put the battery back in, plug the computer back in and try to boot up.
 
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techgeek

techgeek

Splendid
Apr 11, 2004
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It has to be touching both pins. If you have a jumper, that would be easier, if not, anything conductive, screwdriver, coin, something.

Again, have your computer unplugged when you do this, and pull the battery as well. Once your done shorting the pins (hold them shorted for like 10 seconds), put the battery back in, plug the computer back in and try to boot it.
 
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AkashPaul4

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Mar 9, 2014
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I have just done that and tried to boot up and surprise surprise nothing at all.
 
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AkashPaul4

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Mar 9, 2014
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it's working now the cmos didn't need resetting it was just the water cooler was mounted wrong and my reset connector was slightly loose on the header.

 
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techgeek

techgeek

Splendid
Apr 11, 2004
5,297
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29,965
Well I'm betting it wasn't the reset switch that was loose on the front panel connections, it would have been the power switch like I said. If the reset switch was loose, it wouldn't have stopped your computer from booting, it just wouldn't have responded to you pushing the reset button if your computer had booted.

As for it getting louder, even with water cooling you should expect it to become louder. Especially if you have the pump and/or the radiator fans connected to the motherboard and thus controlled by the motherboard. If your motherboard controls the case fans, same thing. I have an Eisberg 240L, and my rad fans are controlled by CPU and CPU_OPT. As soon as I start something CPU intensive (like Prime 95), the fans on the rad kick up right away. Also since my case fans are controlled by the motherboard, my case fans spin up too.

 
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