Need a way to clear CMOS from Windows 7 OS

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Alex Ethridge

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In the ancient days, I used to know a way to clear the CMOS from the DOS prompt with DOS commands and another utility called KILLCMOS.COM (which I still have) that would do the same by simply typing the name.

Is there a utility that will clear the CMOS from Windows 7?

Please, no advice on how to do it by pressing a key on boot. It's gotta' be done from Windows or not at all.
 

dvk01

Derek
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there is no way to clear or access bios ( cmos) from within windows
http://pcsupport.about.com/od/fixtheproblem/tp/clearcmos.htm

you have to clear cmos from the bios screen or remove the mobo battery & allow it to reset to default when the power is off

Any method from within windows is a massive security risk & although there are ways to update the bios from within windows, it actually does it on a reboot & not while windows is running & frequently goes wrong & bricks the computer

Editors Note: We occasionally are informed that programs like KillCMOS are infected with a virus. Note that the operating system system requirement for this program is DOS. This means you need to be able to boot from a floppy or CD to DOS and execute the program. If you are running this program from Windows, then you did not read the directions. Any good anti-virus program will detect an attempt to access the bios and inform you it is a virus.
Read more at http://www.majorgeeks.com/KillCMOS_d2969.html#IE5d3K9W5FY1hKjd.99
 

Alex Ethridge

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I was afraid of that. It won't let me re-do the BIOS update either because the version in there is the same as the version I am wanting to install.
 

dvk01

Derek
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why are you trying to clear cmos?
what do you hope it will fix ?
 

Alex Ethridge

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I guess it doesn't matter now if the thread gets closed. It's a password problem. I'm exchanging e-mails with ASUS now to determine the cost of clearing the BIOS password. The computer will run fine; but, every time I turn it on, it comes to a screen just after POST that says press F1 to continue and press F2 to enter BIOS Setup. It doesn't matter which I press, I get the next screen that is totally black that says "enter password:" in its center.

I can bypass this by simply pressing enter three times then F2 and right on to Windows. Everything runs great. This "enter password:" thing is just an annoyance I would like to get rid of. I've tried DEBUG commands in Windows 98 DOS 7 (from a boot CD) that are supposed to clear the BIOS; but, they don't work.

When I find out the cost, I'll either be shipping it to them or just living with the annoyance, depending on cost.

I got this thing for free from the original owner who entered this BIOS password a year or more ago and forgot what it was. Eventually, the CMOS battery failed and triggered this "enter password:" thing and it now happens on every boot, where it did not happen until the CMOS battery failure.
 

dvk01

Derek
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sorry no passwords so we have to close this one
 
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