Question about HP Compaq nc6220 Notebook

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Cmos bettery Where is the Cmos Battery in a hp compaq NC6220

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It is on the top right in the corner, of the key board

Posted on Aug 09, 2008


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HP Compaq nc6220: I need a diagram of motherboard to fix cmos wire connector. The power module on the mobo came loose while plugging in the cmos wire.

Top View/Bottom View,

Hover your mouse cursor in the middle of the two views. Use the Zoom feature to look at the connector, and the direction it is facing.
-> Only faces one way <- This lines up the polarity of the wires.

Using which one goes where on the motherboard's connector, suggest using short splices of wire, soldered to the existing wire 'nubs' coming out of the motherboard.
(Or existing solder joints, that went to the motherboard connector for the RTC Battery)

(Use a low wattage soldering iron, and a No.2 chisel tip. Well tinned, and have a damp sponge nearby to occasionally clean it.. Do Not suggest using as soldering gun.

Area around wire 'nubs, and wire nubs, needs to be cleaned properly. If not the tinning you need to do to the tip of those wires, won't take.
(Tinning - Thin coat of solder)

Clean with an old toothbrush, and Isopropyl Alcohol.
(Rubbing alcohol. 91 percent is best, but 70 percent will do)

Isopropyl alcohol is EXTREMELY FLAMMABLE!
Use in a Well ventilated area with NO sparks or flames present.

Tips of those wires needs to be tinned, and the both ends of the short jumper wires you're going to use. Heat shrink tubing needs to be used on the wires, before soldering any wires together.

The combination RTC battery harness plug, and the motherboard connector will have to be checked out for fit, when the case is put back together.
That is to say; Look to make sure there is space for this moved combo. Otherwise the wires will become pinched, when the case is put back together. laptop won't go back together, and wires may be damaged.

Motherboard connector for the RTC battery harness cable.

The reference already implies to those who know, that the RTC battery harness has a plug on the end, and the above is what it plugs into.

(RTC Battery = Real Time Clock Battery. The reference used in place of CMOS battery now )

HP Support > HP Compaq NC6220 Notebook PC > Manuals > Service Manual,

Service and maintenance information >
HP Compaq nc6220 and nc6230 Notebook PC - Maintenance and Service Guide [ 15 Mar 2006 / PDF / 4.16 ]

For additional questions please post in a Comment.


Oct 16, 2012 | Dell Computers & Internet

1 Answer

I can not find HP Compaq nc6220 Notebook Eithernet Controller or Lan Card Driver

HP Compaq nc6220 Drivers
Please visit the above link from HP Official Support and download the required drivers.

Hope it helps! Good Luck!

Feb 09, 2011 | HP Compaq nc6220 Notebook

1 Answer

I need instructions on replacing cmos battery? Where is it located on the hp compaq nc 6220 laptop


Please click here to open the service manual

1.Prepare the computer for disassembly (refer to Section 6.3, “Preparing the Computer for Disassembly,” for more information).
2.Remove the cmos battery (refer to
Section 6.24, “System Board,” for more information on removing and replacing the RTC battery).


May 12, 2010 | HP Compaq nc6220 Notebook

8 Answers

Hello, my hp compaq nc6220 gives insert smart card into reader

Pl switch the machine off and put 2-3 pounds of pressure with your palm on the keyboard closer to the spacebar.. this will fix it..
it is caused by the weakening of the adhesive of the wires below the keyboard.
Long term option - get the keyboard opened by the an professional and cleaned properly..and fixed back neatly...

Apr 20, 2009 | HP Compaq nc6000 Notebook

1 Answer

Power on password

If you've managed to loose or forgot your Notebook/Laptop password there is no way to hack it or to get rid of it with Clear CMOS
> Clear CMOS will often bring up the question for a Supervisor password !!

Your only chance to revive your Notebook is to contact your dealer/shop or the notebook manufacturer and ask for help there
PROOF of OWNERSHIP needed !!!

This is the only help you'll get here - too many stolen Notebooks in the world with too many people trying to hack their passwords !

Apr 02, 2009 | HP Compaq nc6220 Notebook

1 Answer

Unknown hp power-on password

Did you do all these steps in order?

1) Remove the computer power pack battery. Remove the keyboard.
2) Remove the RTC battery. Wait 5 minutes. (I would wait longer, maybe 15 minutes.)
3) Reinstall the RTC battery. Reinstall the keyboard.
4) Plug the AC power into the computer. (DO NOT INSTALL THE POWER PACK BATTERY AT THIS POINT)
5) Turn on the computer.

This should reset the password and also all CMOS settings.

Jan 26, 2009 | HP Compaq nx6110 Notebook

1 Answer

Laptop power light stays on

Sounds like a manufactor issue! I'd contact your manufactor.

Sep 03, 2008 | HP Compaq nc6220 Notebook

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