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How do you fix a power- on password on a HP Compaq nx7400 laptop?

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Power on password poblem

Posted on Jun 10, 2011

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Posted on Jan 02, 2017

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HOW TO CLEAR CMOS?


Most times you remove the CMOS battery your manual can be found on compaq website Manuals for HP Compaq tc4200 Tablet PC

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When turning on my HP Compaq tc4400 Tablet PC a blue screen comes on that says power-on password, but I do not remeber the password. How can I get past this


Well, you will have to try harder to remember it. Failing that, you will need to take it to an HP certified Service Center to have the password erased.

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I have HP TC4400 Laptop and there is BIOS password which is forgoted please help me how can i remove that password.


To reset the BIOS password read the information from this link.

In case of your HP TC4400 laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.

Oct 16, 2010 | Compaq tc4400 Tablet PC

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I need reset bios password Notebook HP Compaq 2710p


I know some methods to reset bios password.
1. The best and easiest method: Close OS and shut down the electricity power of computer. Open your computer box, take out the cmos battery from the mainboard. Then the bios password will be reset to blank. Put it back after a few minutes.
2. Follow some hard tutorials, it is difficult to do. It is better that you are a expert. For example this tutorial: reset BIOS Password?

So I would suggest you the 1st method. Hope it helps.

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How can remore the bios password on the hp compaq 6735s


Remove power supply remove battery and remove bios battery. Then pray!

Nov 12, 2009 | Compaq tc4400 Tablet PC

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Power on password compaq tc4400


Hello,
The password on boot is a security feature devised to thwart thefts of laptop computers. It would not be much of a deterrent if just anybody can circumvent the measure.
For a Toshiba laptop there is not much you can do except take it to a Toshiba Certified Service Center to have the password erased. I suspect It is the same for an HP laptop. If you take it to an HP service center, be ready to show proof of ownership.

Hope it helps.

.

Sep 06, 2009 | Compaq tc4400 Tablet PC

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How to remove cmos battey to rest bios in hp 2710p laptop


Go on your manufacturer's website, find the maintenance manual, find where is located the battery and just remove it for a few seconds it may remove the password on your bios. Good Luck!

Mar 23, 2009 | Compaq 2710p Tablet PC

1 Answer

Bios


It's not looking good. Your kids had to type it twice to be able to set one. If you can't get them to remember it you might have some work cut out for you.

http://www.experts-exchange.com/Hardware/Laptops_Notebooks/PC_Laptops/Q_22865417.html

Read the information on the site I provided above. Sometimes you luck out and it's a simple jumper setting to clear a BIOS password. Sometimes you are looking at onboard memory that stores the password. From what I have read about it so far by googling it.

The RTC battery is on the underside of the system board, and you will need to totally disassemble the laptop to get at it.

They talk of a video guide from HP showing you the steps to do this, but I was unable to find it as it has likely been removed.
Click on the -->Real Time Clock Battery<-- 3rd from the bottom of the left side column.
Use the link below to get some online chat help from HP.

http://h50203.www5.hp.com/HPISWeb/Customer/AdviceDisclaimer.aspx?option=activechat&callfrom=hp&origin=acc&cc=US&ctype=n

Good luck...hopefully this helped out some.

Dec 12, 2007 | Compaq tc4400 Tablet PC

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