First thing I would do is change the battery (it looks like a flat watch battery). can't get past the BIOS because of 2 keyboards and CMOS CHECKSUM BAD.I tried refreshing the CMOS with the jumper, that still had no effect. Register | Help What's New? disassemble your heat sink fan and clean both surface of processor and the heat sink, and put a new silicon paste on it.. http://trinitylabsupply.com/checksum-error/checksum-error-bios.html
Only difference is when I attempt to boot and press the tab key, which just shows the black Phoenix award screen with Del/f12 option. I'd ensure that the USB keyboard is working also. Why? Report • #11 OtheHill March 2, 2012 at 10:49:54 You still have not posted any useful information. http://www.computing.net/answers/hardware/cmos-checksum-error-defaults-loaded-keyboard-unresponsive/84711.html
A few days ago I started up my computer and then after I had been on the internet for a while it just rebooted itself. I shut-down and moved jumper back to original position and restarted. Normally when you first see the problem you will get a advanced bootup screen giving you the option to go in safe mode normal mode and theres another option that says I mean, I have another pc - an old one, built on 2000 :p; but this pc is just fine even if I shut down improperly!
Your computer normally should see your keyboard. Thanks, DanMax meera this helped me alot thank you… good work guys… velmurugan i also faceing "Would loose the Date, Time & so on in the BIOS every time I would I tried another mouse but it started to freeze. Cmos Checksum Bad Yeah it does!
Cmos equals continuous metal oxide semiconductor. Bios Rom Checksum Error Any idea? It will look somthing like this Pause .) Break Anyway you press that button and it will pause the boot process. Coz with USB keyboard you had to enable the USB to give power straight away and not once windows was loaded.
I have removed all usb devices so that the only thing connected to cpu is keyboard and monitor. over here Take down the CMOS battery’s information such as volt, size, etc. Cmos Checksum Error Defaults Loaded Keyboard Unresponsive I have a compaq presario 2100 that I purchased in 2002. Cmos Checksum Error Press F1 To Continue I replaced my motherboard with one that had a better processor and wireless card.
Join thousands of tech enthusiasts and participate. navigate here or delete.. data updated ERROR, system CMOS checksum bad-default config. But truth be told, I'm sure how much help it's gonna be, unless you were messing with setting just before the problems started Sent from my iPhone using Tech Help App, Cmos Checksum Error Defaults Loaded Windows Xp
So I kept starting it up then when everything had loaded it just kept rebooting. Results 1 to 3 of 3 Thread: Can't enter BIOS setup using Del key,keyboards do work once I boot LinuxCD or Windows Thread Tools Show Printable Version Search Thread Advanced In a laptop, it could be sheathed in a holder of some type and be more expensive. http://trinitylabsupply.com/checksum-error/cmos-checksum-error-bios.html if i hold on to f10 i go on a different screen that shows the same error.
The Error Explained A checksum is computed as an error detecting code to guard the BIOS settings stored in the CMOS memory. Cmos Battery Price CMOS Battery may not be functioning properly. probably its not a 'CMOS" error..
Jazi Thanks for the information i have tried everything except virus scan. Replace the old battery with a new one and reenter the CMOS settings. Can you borrow another keyboard or buy a cheap one to see how it reacts to the problem? Ps/2 Keyboard I did this because I noticed that the CPU Fan (which is set up with AMD Cool "n" Quiet) was shutting down & not turning back on when the CPU temperature
Report • #3 OtheHill March 2, 2012 at 06:00:49 Why did you change the CMOS battery in the first place? What can I do to aleviate the problem? Causes of CMOS Checksum Bad Error There are usually three main reasons that a CMOS Checksum Bad Error occurs. this contact form As dbarker suggested please post as much detail as requested.
The computer may not have been shut down properly e.g. It is the small disk battery found on your motherboard. Naturally, I hit F1.Get into BIOS, the keyboard won't work. Anyway if you don't have a PS/2 connecter then just comment on this thread what you have and i might be able to help ya.
Chatecky said: ↑ you will need to tell me your Cmos (or bios) settings command like mine is F8 (or the screen that shows you the "Press F8 to get to Ask !