Question about HP Compaq Presario CQ50-110US Laptop

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Have a Compaq CQ50 and don't know the BIOS password....how to i reset it

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Remove CMOS battery and after 5 minutes install the CMOS battery ,it will crack the bios password,you might be knowing where the CMOS is else i am just guiding you...i am providing you link to the manual that will give you 100% information for you CQ50
MANUAL
click on the link above

thanks and regards
kindly rate this solution

Posted on Oct 28, 2009

  • odonnell
    odonnell Jun 13, 2014

    Shankar Jha, you cant crack the bios password by removing the battery, thats a very long short

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FYI: The CQ50's have removable cmos batteries. They are behind the Hard Drive access door.

Posted on Dec 17, 2009

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Guys post helpfull tips, you cant just remove The CMOS battery and wallah, and the password is gone, there are other ways which am also trying to find

Posted on Jun 13, 2014

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6ya6ya
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Posted on Jan 02, 2017

vkcelik
  • 77 Answers

SOURCE: how to reset bios for laptop compaq presario cq50

You can do it the hardware "way" where you have to open your laptop and remove a battery inside the computer or can do it the software "way".. I would recommend you the software if you doesn't have tried to open a laptop before..

Download this: http://www.pccmos.com/download/PCCMOSCleaner.iso
And guide for how to set it up: http://www.pccmos.com/guide.html

Posted on Mar 11, 2009

supertex
  • 30 Answers

SOURCE: reset power on bios password on compaq 2200

theres a small battery in you computer you have to pull for like 5 minutes you can find out what it looks like on youtube.com or wonderhowto.com

Posted on Mar 24, 2009

Santhosh_7
  • 233 Answers

SOURCE: MY COMPAQ PRESARIO NOTEBOOK CQ50 100EM - DOES NOT

The issue might be with the hard drive. I recommend you to test the hard drive.
If the hard drive test fails, then it is confirmed that the issue is with the hard drive of your notebook.
Click on Testing a hard disk in HP notebooks in the below link to test your hard disk:
http://notebook-solutions.blogspot.com/2009/06/all-about-hard-disks-in-laptops.html
You may also try the steps in the below links:
http://h10025.www1.hp.com/ewfrf/wc/documentSubCategory?rule=23287&lc=en&dlc=en&cc=us&product=3752686
http://notebook-solutions.blogspot.com/2009/05/notebook-solutions-notebook-solutions.html
Follow the steps from No Boot or no Power in laptops

Posted on Jun 27, 2009

  • 98 Answers

SOURCE: crack bios password on compaq nc6320 - please

My best suggestion is to call Compaq or HP for assistance regarding on this. Thank you.

Posted on Oct 09, 2009

Testimonial: "thanks - I like to do things myself, but I will call them - "

krbshg
  • 430 Answers

SOURCE: compaq 6510b reset cmos/bios password

try this: Make sure the battery for the notebook is out in step 8


the procedure to reset the CMOS/BIOS is in the maintenance and service guide on page 46.

Follow these steps to clear the password:
NOTE: These steps also clear CMOS.
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 48).
5. Remove the real-time clock (RTC) battery (see RTC battery on page 68).
6. Wait approximately 30 minutes.
7. Replace the RTC battery and reassemble the computer.
8. Connect AC power to the computer. Do not reinsert any batteries at this time.
9. Turn on the computer.
All passwords and all CMOS settings have been cleared.


Posted on Jul 27, 2012

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