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Need to reset my cmos settings on my compaq presario desktop

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Just refer to your mainboard manual. If you don't have, the CMOs clear key is usually near the mainboard's battery. Besides, mainboards usually indicate in small print the different ports. You will need a magnifying lens to see them.

Posted on Aug 31, 2008

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1 Answer

Need to know what the settings are in advance bios CMOS mine says its wrong


How old is this PC? If it's more than 5 years, it may need a new CMOS battery.

Feb 15, 2015 | Compaq Presario 5000 PC Desktop

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Which operating system ?
The Compaq Presario CMOS password is an administrative security measure built into the firmware of a Compaq computer.

This password is stored in the motherboard's BIOS (Basic Input Output System) and provides for hardware-level security.

This password may be accidentally set or forgotten over time and must be reset in order to boot the computing system.

Disconnect the Compaq computer from any electrical sources and remove the side access panel from its case.

This may require the removal of one or more thumbscrews on the rear of the computer case.


WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules

Locate the CMOS battery.

This battery is a round button-type battery located in the bottom-right corner of the Compaq Presario motherboard.

Grip the battery by its edges and pull it straight away from the motherboard to remove it.


Press and hold the power button on the case for ten seconds to remove any remaining electrical current from the computer.

This removes the CMOS settings and returns it to the default state of having no password set.

Replace the CMOS battery.


Replace the computer's side access panel and re-establish any previously severed electrical connections.
http://www.youtube.com/watch?v=zjGHpJqVJkM
Replace a CMOS battery inside a desktop computer

http://www.dewassoc.com/support/bios/bios_password.htm

http://www.tips4pc.com/articles/Computer Troubleshooting/Remove the CMOS battery to reset the bios password.htm

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How do I get into my Bios to check the USB keyboard/Legacy Bios setting? Compaq-Presario NY540AA-ABA CQ5120F


During boot up, the screen should show "press delete to enter set up" or a similar phrase. Have you tried that? If you don't get that screen you may be locked out at the BIOS level. You would have to reset/clear the CMOS memory on your motherboard. Search for how to do that on your particular board.

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Bios password reset


to reset the bios password you will need to remove the cmos battery from your computer. open your computer and locate the cmos battery. it looks like the size of a nickel. make sure your computer is powered off and unplugged.

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How do I reset my computer to factory settings? I have a compaq presario S6000CL


The easiest way is to reset everything in the BIOS setup to DEFAULT values.

The best way is to remove the CMOS backup battery on the motherboard for a few minutes and then re-insert it: this will wipe out all user BIOS setup in the CMOS memory.

May 02, 2011 | Computers & Internet

1 Answer

I need to acess the BIOS on my PREsario s4020WM but i need a password to do it is old and was my parents so i cannot figure it out so i jut need the options of what the password would be or how to reset it


Disconnect the power. Remove or reset the jumper near the cmos battery. Connect and turn on your computer for a minute. Turn it off. Reset the jumper to it's original setting and you're done. Put everything back together and you're good to go. Good luck!

Dec 19, 2010 | Compaq Presario S4020WM PC Desktop

1 Answer

Hello i have a compaq presario 5000 when i turn


This is a compicated problem. First when it boots enter setup by pressing the F10. Once you are in set up reset all settings to default. Save changes and exit CMOS. If that does not help the situation have someone make you a boot disk, reenter setup and put the floppy as the first boot drive and then CDrom. Insert the boot disk, follow the instructions to boot. Once you are up and running try to roll back the computer to the last recovery point that worked. If that does not work you may need to see a local repair tech.

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To reset the BIOS you will need to remove the main battery & the CMOS battery. To find out how to remove the CMOS battery refer to a service manual if you can find one.

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1 Answer

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Open cpu cabinet of computer.
Then pull cmos cell from motherbord for 10 minutes.
Refix RAM memory.
Reconnect both connection to harddisk,
Reattach ATX power connector.
Sometimes motherbord settings are messup so if you reset settings then it done.

Let me know if you need more assistanse.

Sep 13, 2009 | HP Remanufactured Compaq Presario SR1130NX...

1 Answer

Forgot my password for my Presario SR122NX


if u forget BIOS password so first remove power cable and moniter cable and than remove cmos battery on motherboard for 2-3 min. after that put cmos battery back in same possition and start ur pc...and set bios time and date..

If U forget windows password so pls tell me which windows u use...
than only i will give right ans of ur qus.

if work RATE me if not reply me
thanks
bye

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