PC won't boot after removing MOBO Battery?

October 24, 2016 at 15:49:52
Specs: Windows 10
I was having issues with the PC turning off and was told to remove the battery on the MOBO.

I did so, after putting it back on, everything came on. Lights on the MOBO, Fans, GPU, etc.

But my monitor would remain black.


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#1
October 24, 2016 at 19:15:42
Likely you jostled something loose while inside the case or you didn't put everything back together right or, worse, you zapped the motherboard with static while doing that.

Did you have the power cord disconnected while doing that?

For future reference, most motherboards have a 'clear cmos' jumper. With the power cord removed jumper it to the clear position for a few seconds and then back to standby--where it was originally. Then plug the cord back in and start it up. That's easier, quicker and more reliable than removing the battery.


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#2
October 25, 2016 at 13:17:17
"I was having issues with the PC turning off"

Do you mean randomly shutting down? The most common causes are an overheating CPU or failing (or overloaded) power supply. Unfortunately, you didn't provide any specs.

Removing & replacing the motherboard battery has reset the CMOS/BIOS to its defaults. Any customization of the settings has been lost, however, it should not prevent your system from booting. Are you hearing any beep codes?


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#3
October 25, 2016 at 14:56:20
GTX 1070
i5-6600k
16gb ram corshair

It's not overheating, everything's plugged in correctly.


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Related Solutions

#4
October 25, 2016 at 16:48:10
"It's not overheating"

I assume you're sure about that & have monitored temp readings either in the BIOS or by using software, so that would leave the power supply. How long have you had the GTX 1070? It requires 150W & the minimum recommended power supply is 500W. It should be a good one - reliable name brand, 80 plus efficiency certified, single +12v rail of at least 40A, active PFC, 3-5 yr warranty, etc.


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#5
October 25, 2016 at 16:51:40
EVGA SuperNOVA 650W. I've monitored my temps..

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#6
October 25, 2016 at 16:58:53
"But my monitor would remain black"
Have you tried another monitor?

If that is not the problem, try this.

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#7
October 25, 2016 at 17:01:37
I can't do that if I can't get into windows, lol.

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#8
October 25, 2016 at 17:35:08
"I can't do that if I can't get into windows, lol."
Read the instructions, it is a boot disk, you don't have to use Windows.



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#9
October 25, 2016 at 17:37:33
I don't have anything else to do it with, lol. And it's literally not booting anything so what's going to make it boot that?

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#10
October 25, 2016 at 20:26:53
Is there an on-board GPU?
How old is the MB? BIOS batteries last for years.

Suggestion:
Unplug AC-power.
remove the GTX 1070.
Start the system; if you don't have an on-board GPU you an hear a number of beeps. Is the HDD/SDD being accessed?

If your Motherboard has GPU, check if any output on your monitor. Check the BIOS settings if possible

Turn off the system (unplug the AC-power)
Insert the GTX 1070
Turn on the system.
Anything output from the GTX?



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#11
October 25, 2016 at 20:35:25
Everything's 2-3 weeks old.

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#12
October 26, 2016 at 06:10:26
"EVGA SuperNOVA 650W"

It has four +12v rails rather than one single +12v. They're listed as 20A each but if you look at the label, it says 53A total. 53A on a single +12v is good, but it's difficult to know how that amperage is distributed over 4 rails.

"Everything's 2-3 weeks old"

Who built it? If it was working OK for 2-3 weeks, what has changed?


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#13
October 26, 2016 at 16:32:58
I built it myself. Second PC I've built. I think I might've bent something on the CPU while taking it apart or possible messed something up on the MOBO. I'm having it taken in to a PC store to get checked out anyways.

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