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Hi have an Compaq 6720s and my younger neighbour has set boot-on password on it. and when i ask him what he set he dont know (2years old) so now i cant use the computer. i have tried to flip the RTC battery but still the same and when i type in wrong password 3 times i only got an * . please help

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The Power on Password is very difficult to remove.
Have a look at this WEB site, it may help you.
http://www.user-guides.co.uk/download/compaq/compaq6720s/compaq-6720s-remove-bios-password.html

Posted on Apr 03, 2011

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You can reset the password by removing the RTC battery for 5 or more minute .
On this link you can download the service manual for your model:
http://h10032.www1.hp.com/ctg/Manual/c01293339.pdf
On page 77-78 you can read the necessary informations.

If I could be of further assistance, let me know. If this helps or solvesthe issue, please rate it and give a testimonial for my response.

Posted on Apr 03, 2011

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Posted on Jan 02, 2017

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Want to reset hp compaq 6720s to factory setting with no disc


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Were can I find the RCT battery in a compaq 6720s? Actualy I have forgotten my power on password. so i want to remove the RCT battery but i can't find it. can you help me please?


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How can i reset the bios power-on password for hp 6720s ?


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Mar 05, 2011 | HP Compaq 6720s PC Notebook

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Forget my bios password notebook hp 6720s


Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. BIOS password can be removed by temporarily disconnecting/ removing the RTC/ CMOS (Coin-cell) battery from the motherboard. Disconnect the coin-cell battery from the system board and it will reset the BIOS to its default setting and the password would be gone.
Please Refer to Page 77 of the REPAIR MANUAL HP 6720S.
If you can't do it yourself, you may seek help from local laptop service professional.

GoodLuck!
Dont forget to appreciate the solution if I could have been of any help!
CreativeTECH


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How to master reset my laptop if i forgot the password


Hi,
Welcome to Fixya Support
I am Michelle, and i will be assisting you regarding the issue
in case you are not able to boot to windows, you can use the password recovery tool that can be downloaded from below link.
download this tool on another computer and it will create a disc.
you need to boot the computer in which the issue is occouring with the disc.

All steps are mentioned in below link as well
http://www.loginrecovery.com/index.php


In case its the power on password that you have forgotten then you need to get the same reset through HP itself.

please feel free to ask in case you face any difficulty.

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You might have an extremely slow boot up. Try tapping F8 the next time you boot to start up in Safe Mode. If Safe Mode boots up faster then you should try removing some of the Startup items that you find when you run msconfig from the Run box.

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The backdoor password for Compaq computers is "Compaq". Try entering that and it should work.

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