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How i can reset the bios program for dell optiplex 780 useing jamper in motherboard?

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Posted on Jan 02, 2017

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rocksmani
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SOURCE: reset bios to factory settings in dell optiplex

Hi,

The BIOS password may be cleared from a Dell Optiplex by removing the password jumper (PSWD) from the motherboard.
Can click the link below to see how its done or follow the steps below :--
http://support.dell.com/support/systemsinfo/documentation.aspx?c=us&l=en&s=gen&~subcat=87&~cat=12

Choose the desktop model and continue.

For most Dell Optiplex desktops, the steps to reset a BIOS password and clear all CMOS settings are:

  • Locate the 3-pin CMOS password reset jumper on the system board.
  • Remove the jumper plug from pins 1 and 2.
  • Place the jumper plug on pins 2 and 3 and wait approximately 5 seconds.
  • Replace the jumper plug on pins 1 and 2.
Else can follow Optiplex User Guides.

Hope it helps !!
Thanks.

Posted on Sep 14, 2009

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SOURCE: Optiplex Gx110 Freezing on Bios Post

The only thing I can think of is there should be a jumper pin that on the mother board that resets the cmos. Unplugging the battery does not clear the cmos rom. My guess would be the cmos rom is currupted and unfortunatly you need the rom loaded before you can flash and replace it. My advice is ditch it.

Posted on Aug 02, 2007

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Hi there, my name is Kasu Embaye. I have a problem of I/O card parity interrupt f000:f188 on my dell optiplex 780 computer.so,how to fix this problem? can you help me?


Hi mmm it sounds to me like your motherboard has got some problems. sometimes running system tests through the boot menu may help but should indicate weather you need a new motherboard or not. Sometimes a good clean inside computer is the way to go as well... Hope this helps
Kindest regards

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How can you reset the cmos password


Dell Optiplex 780, user forgot BIOS master password (which is necessary to change the boot order to run BartPE from CD and do an image backup).

There is a jumper on the mainboard called PSWD1, which is set (shorted). Remove power cable from PC (CMOS battery can stay in place), open the lid. Remove jumper from PSWD1. Reconnect power, start the PC, hit F2 to enter BIOS. All passwords should be reset.

Leave BIOS, power off the PC, remove power cable. Reattach jumper to PSWD1, close lid, reattach power cable. Start PC. Enjoy.

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To remove the bios password you need to clear the CMOS.
Open your laptop casing look at your motherboard. locate the CMOS jamper it is near the battery. To clear remove the jamper and turn your computer on with in 5 to 10 seconds and turn it off. Reinsert the jamper back to there proper place and try to turn go to BIOS if there will be a password box appear.

You need to open your laptop and look at the motherboard and locate the CMOS battery. Just remove it with in 5 minutes to clear BIOS password.

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To remove the bios password you need to clear the CMOS.
Open your laptop casing look at your motherboard. locate the CMOS jamper it is near the battery. To clear remove the jamper and turn your computer on with in 5 to 10 seconds and turn it off. Reinsert the jamper back to there proper place and try to turn go to BIOS if there will be a password box appear.

You need to open your laptop and look at the motherboard and locate the CMOS battery. Just remove it with in 5 minutes to clear BIOS password.

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Quitar Password de Bios de Pc Dell Optiplex GX100, no tiene jamper y retirando la pila no funciona. Tengo un Pc Dell que se daño el sistema operativo windows xp, estoy intentando restablecer el...


Hope you can read this. if not, GOOGLE...TRANSLATE.

Removing the PSWD jumper is the correct method of clearing the BIOS password. Removing the battery resets the CMOS.

Remove the power from your computer. Remove the battery. Remove the PSWD jumper. Wait!!!!

Keep power off the computer for at least 30 minutes, overnight is better.

Replace the battery. Plug the computer in. Do Not Reconnect the PSWD jumper.

Now reinstall your operating system and drivers. When finished, restart your system. If everything works and you want to redo the BIOS password, shut the computer down. Unplug the power. Remove the battery. WAIT.

Replace the PSWD jumper. Replace the battery. Plug in the power. Restart the computer, hitting "F2" as it starts....to open the BIOS setup page. Reset your password here. Esc to continue, Yes to save.

Good luck

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I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/

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