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If I reset my CMOS and the BIOS goes to back default will it cause problems?

Last response: in Motherboards
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October 9, 2013 1:55:20 PM

My computer was on an endless loop on-off for like 2-3 seconds each. I was told by someone to pull the cmos. I did and the endless loop cleared. Booted up and now I am getting all kinds of BSOD's. 0x000003b, 0x00000019, 0x000000a, 0x00000f4. Keyboard and mouse become unresponsive. And every now and the computer will boot, no beeps, and no video. That will happen a few times and then it will boot. I am thinking the PSU is going. Cant get a new PSU until friday. So in the meantime I am wondering if the BSOD is caused from the BIOS being set back to default? I dont know what they were to begin with since I never done anything with it since I got the pc.

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a b V Motherboard
October 9, 2013 2:30:35 PM

The only way I can see clearing the BIOS settings causing problems would be if Windows was installed (or switched over to) with AHCI mode enabled in BIOS, or if the BIOS has an option to boot in EFI mode or Legacy mode. Usually, you wouldn't even get to WIndows if those were an issue, though.

Casey
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October 9, 2013 3:00:26 PM

Is there anyway to find out what the settings were or are they lost now?
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a b V Motherboard
October 9, 2013 3:07:49 PM

Unfortunately, no. Once the BIOS is reset, the previous settings are lost.

Those BSOD codes all point to issues either with drivers or memory. Have you run a memory test or updated any drivers recently?

Casey
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October 9, 2013 3:12:26 PM

When I was able to get it to be stable I ran everything I possibly could. And everything passed. So this is what is also leading me to PSU going or worse the MB itself.
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October 9, 2013 3:17:16 PM

But I guess it cant be too bad at default everything in the system is the original except for the video card. I replaced that when I got it. I don't know. -.-
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a b V Motherboard
October 9, 2013 3:19:03 PM

How old is the computer, and can you post the specs?

Casey
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October 9, 2013 3:46:32 PM

it is this exact one http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en...

ATI Radeon HD 5770

Below was scanned by Speccy


Motherboard
Manufacturer PEGATRON CORPORATION
Model Benicia (CPU 1)
Chipset Vendor Intel
Chipset Model P35/G33/G31
Chipset Revision A2
Southbridge Vendor Intel
Southbridge Model 82801IR (ICH9R)
Southbridge Revision 02
System Temperature 43 °C
BIOS
Brand American Megatrends Inc.
Version 5.43
Date 9/10/2009
Voltage
VIN0 1.672 V
MEMORY CONTROLLER 1.688 V
VIN2 1.632 V
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a b V Motherboard
October 9, 2013 4:23:45 PM

Could be power supply. Assuming it is the original one, it could be 4-5 years, and considering that most computer manufacturers use cheaper power supplies than what most of us on here would use, it could be very well on its way out.

Good thing is that HP used a standard ATX style power supply on your computer, so almost anything will work.

Casey
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October 9, 2013 4:48:32 PM

Well I guess I wait and see come Friday. I'll let you know what happens. Hopefully it will be good news!
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October 14, 2013 10:29:04 AM

Installed the new PSU on Friday and did a clean install of windows just because I felt better doing it. Updated all night and Saturday. I went away for the night so I shut the pc down Saturday and I just turned it on and I'm stuck at the BIOS screen and not loading anything farther. :(  :(  :( 
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a b V Motherboard
October 14, 2013 1:22:01 PM

Does it try to load Windows after the power-on self test and come back with an error message, or does it just stop there?

Casey
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October 14, 2013 6:58:30 PM

cklaubur said:
Does it try to load Windows after the power-on self test and come back with an error message, or does it just stop there?

Casey


No it don't it just sits there. I think it's the hd. I remembered reading or someone telling me a while back that the bios would load without a hd so I pulled it and it loaded. I replaced the hd and it sat at bios splash screen. Pulled it again grabbed and old sata hd that I was going to use for a 2nd drive when I got around to it. I plugged it in and it tried to load the os that was on it. So I exited and shut down. First thing in the morning I'm going to go buy a new one.
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