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P8z68-v pro/gen3 wont store bios settings/boot

Last response: in Motherboards
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March 3, 2012 7:48:51 AM

Hey all,

My current issue is as follows: whenever i shut off my computer for longer than 5 minutes, my computer won't boot. I have to unplug the cord and re-plug it in to get the comp to boot. At that point, I have to re-do the BIOS settings as i get immediately sent into setup due to failure to initiliaze, after setting bios up, i can turn the computer on. While the computer is off, the power on light on the mobo is lit;however, pressing it doesn't turn the computer on--it has to be replugged. Internal system time also gets reset every time this issue happens. I can't find a CMOS jumper on this mobo so I've attempted taking the battery out and reinserting it, to no avail. Do I have a faulty cmos battery, mobo, or psu? hints?

rig:
asus p8z68-v pro/gen 3
i5-2500k w/ coolermaster hyper212+
corsair vengenace 8gb dd3 1600mhz
corsair m4 128gb ssd
wd black 1.5tb
his iceq turbo hd6970
antec 900w HCG PSU
a b V Motherboard
March 3, 2012 8:39:54 AM

The fact that your CMOS is not saving the settings is a battery issue. The pc not turning on unless you re-plug the cable is the PSU. Check the PSU for overheating, is its fan working, is it hot to the touch?
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March 3, 2012 5:24:41 PM

the PSU runs fine. not hot, fan is working. Once the computer actually boots, I can keep it running without any performance issues for as long as needed.

as far the CMOS issue, would replacing the battery do the trick?
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a b V Motherboard
March 3, 2012 8:22:45 PM

The purpose of the CMOS battery is to keep your settings while the machine is not powered. If that's not happening then your battery is dead 100%. That does not explain the need to be re-plugged to start.
Get a new battery to replace the existing one first, then take it from there. If it solves your problem you're set, if not you may need a new psu.
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March 5, 2012 2:04:19 AM

Doh I feel like an idiot. I didn't notice the jumper due to it being below the GPU. Thanks for the tip Gene--I hadn't fully looked throught he manual. I went ahead and reset the jumper and replaced the battery. I'll be leaving the computer shut off all night and seeing if it turns on int he morning.
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March 18, 2012 3:10:39 PM

let me know if that fixes the problem because i am experiencing the same exact issue.
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March 28, 2012 2:23:01 AM

Best answer selected by alexeibas.
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March 28, 2012 2:24:31 AM

spg, yeah resetting the cmos solved everything. kudos to ngegro for helping me out.
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March 30, 2012 3:28:48 AM

Thanks for the help guys this solved everything. Turned out my jumper didnt have the cap on it, didnt even think to check this. Everything is now running flawlessly
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a b Ĉ ASUS
a c 328 V Motherboard
March 30, 2012 3:52:01 AM

This topic has been closed by Nikorr
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