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Computer doesn't power on most of the time, need to remove CMOS battery

BH9912

I'm experiencing this weird situation where my PC won't even power on unless I open the case, remove the graphics card(which covers my CMOS battery), then remove CMOS battery, put back in. Only then will my PC power on. 

 

I also experienced my PC booting on when I pulled it away from the wall possibly tripping a USB cord plugged in or ethernet cable etc.

 

This only started happening recently when I upgraded my CPU, cooler, ram and put the M.2 plate cover over my SSD on the motherboard.

 

Once the system powers on, it works flawlessly. Something has issues turning off though. 

 

What could be the issue?

My motherboard purchased in 2021

PSU purchased 2016

Ram purchased 2021 for 2 sticks, then 2 sticks are brand new just bought

 

 

My system specs are below

AMD 5700x3d

ASUS B550F Rog

XFX Black Pro 850w 80gold PSU

GSkill 32gb DDR4 memory CL16 4x8GB sticks

Zotac 3080ti 12Gb

Thermaltake 240mm AIO

HP 2Tb Gen 3 ssd

WD Black 2Tb Gen 3 ssd

Cyberpower 1500va Battery/Surge protector

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Even though your motherboard is new it could have a dead cmos battery, try purchasing a new one and see what happens.

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49 minutes ago, BH9912 said:

I'm experiencing this weird situation where my PC won't even power on unless I open the case, remove the graphics card(which covers my CMOS battery), then remove CMOS battery, put back in. Only then will my PC power on. 

 

I also experienced my PC booting on when I pulled it away from the wall possibly tripping a USB cord plugged in or ethernet cable etc.

 

This only started happening recently when I upgraded my CPU, cooler, ram and put the M.2 plate cover over my SSD on the motherboard.

 

Once the system powers on, it works flawlessly. Something has issues turning off though. 

 

What could be the issue?

My motherboard purchased in 2021

PSU purchased 2016

Ram purchased 2021 for 2 sticks, then 2 sticks are brand new just bought

 

 

My system specs are below

AMD 5700x3d

ASUS B550F Rog

XFX Black Pro 850w 80gold PSU

GSkill 32gb DDR4 memory CL16 4x8GB sticks

Zotac 3080ti 12Gb

Thermaltake 240mm AIO

HP 2Tb Gen 3 ssd

WD Black 2Tb Gen 3 ssd

Cyberpower 1500va Battery/Surge protector

Latest motherboard Bios?

 

Does the system do the same when using another PSU?

M.S.C.E. (M.Sc. Computer Engineering), IT specialist in a hospital, 30+ years of gaming, 20+ years of computer enthusiasm, Geek, Trekkie, anime fan

  • Main PC: AMD Ryzen 7 5800X3D - EK AIO 360 D-RGB - Arctic Cooling MX-4 - Asus Prime X570-P - 4x8GB DDR4 3200 HyperX Fury CL16 - Sapphire AMD Radeon 6950XT Nitro+ - 1TB Kingston Fury Renegade - 2TB Kingston Fury Renegade - 512GB ADATA SU800 - 960GB Kingston A400 - Seasonic PX-850 850W  - custom black ATX and EPS cables - Fractal Design Define R5 Blackout - Windows 11 x64 23H2 - 3 Arctic Cooling P14 PWM PST - 5 Arctic Cooling P12 PWM PST
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  • Laptop: Acer E5–575G-386R 15.6" 1080p (i3 6100U + 12GB DDR4 (4GB+8GB) + GeForce 940MX + 256GB nVME) Win 10 Pro x64 22H2 - Logitech G305 + AAA Lithium battery
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29 minutes ago, 191x7 said:

Latest motherboard Bios?

 

Does the system do the same when using another PSU?

Yes latest motherboard BIOS. I have not tried another PSU yet. I don't have a spare to try.

 

I've noticed right now my system time in windows reset. I did not remove the CMOS battery this time, but the time still reset. 

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1 hour ago, goatedpenguin said:

Even though your motherboard is new it could have a dead cmos battery, try purchasing a new one and see what happens.

I think you may be onto something here. I booted up this morning after, "bumping my system" while pulling away from the wall. It booted straight into Windows without having to go into BIOS for setup like I normally do when I take out the CMOS battery. But I just noticed my Windows time was off and I needed to go into date/time settings and sync it. I wonder if this is because the battery is bad like you say. 

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A bad CMOS battery can even affect things like your OS activation too - I've seen it before and fixed it with a new battery.

"If you ever need anything please don't hesitate to ask someone else first"..... Nirvana
"Whadda ya mean I ain't kind? Just not your kind"..... Megadeth
Speaking of things being "All Inclusive", Hell itself is too.

 

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i put a new 2032 cmos battery in this morning. things seem fine for now. I'll check again tomorrow morning to see if there are issues when booting up. 

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