Question about HP Compaq nx9600 Notebook

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HP NX9600 wont power up.

I got a HP NX 9600 from my brother and it was working when he had fixed it but now i cant get it to turn on.. I have tried several different power supplies but i am getting the same problem. The charging light is showing that it is charging but whn i hit the power button the charge light flashes 3 times rapidley in series.. what can i do to fix this..

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  • Roberto Lopez
    Roberto Lopez Sep 06, 2008

    Hi friends:

    I need help with a laptop HP nx 9600, I disassemble this laptop because got a BIOS password and as a suggestion in the manual and the Internet,they told me to disconnect the RTC battery for
    5 minutes to erase the CMOS and the BIOS but unfortunately when I assemble back the machine doesn't want to turn on, I took the main battery,hard disk,one of the memories,the mini PCI communication Card I check all the connections..How can I make a test to see if it is the motherboard?
    the leds that tells that the Hard disk is on doesn't light,the only led that light is the one that tells you that the main battery is charging,and that's when you plug the AC power supply..
    I got one manual that is almost identical and that I download from if you need it I can send it to you.One thing that I have and I don't know if that have something to do, is that I have the LCD Monitor with out the back screws on and I don't know if this has to be grounded with those screws..
    Please I need your help.

  • reubster May 11, 2010

    Perhaps make sure the right power supply is being utilized...  needless to say I felt no so very brilliant when this turned out to be the problem.  Dell and HP should team up on their power supply settings, life would be easier for me at least.  Best of luck.HP dv4-1125nr core2, This is my sister's new pavilion notebook.  I was taking an online exam on the pc when the screen went dark.  All attempts to revive from what appeared to be sleep or hibernation failed.  Held down power button.  Restarted would let me type password but starting windows crashes it to a full power down.  When connected to the charger the plug to the pc can be jiggled and the charge light will constantly flash.  When pressing the power button it simply lights up long enough to see it.  While disconnected from the power supply the power button causes 3 flashes from the charge light to occur.  No other response.

  • Raymond Delio Feb 13, 2013

    This is a VERY strange machine.

  • Raymond Delio Feb 13, 2013

    Try hitting F8 when you see the first screen. (Before if that doesn't work.I found that SQL writer can cause problems that look like hardware.



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The Compaq NX 9600 is rather a complicated and somewhat notorious problem child. One of HP's better ideas, and a good one when it is working.

Disconnect Power adapter from PC
Remove Battery
Hold down power on button for 30 seconds
Remove both memory modules, Stot1 and Slot2.
Re-install battery
Re-connect power adapter
Attempt to reboot.
If nothing happens the book says replace the motherboard which is very pricey.

email me @ and give me and update as I don't visit this site often.


Posted on Dec 11, 2008

  • lamary9 Nov 26, 2010

    At least I got constant beeping when I did this the first time. The second time the HP screen displayed but it did not continue through the boot up. Still working on it


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Constant beeping on most computers indicates a BIOS error.
Other wise BIOS beeps error codes.
In my prior comment I suggested entering protected mode (F8).
My problem was Blue screens, corrupt driver messages, and even failure to find my CD in protected mode. Sowhere I found that changing SQL writer from Auto to Manual fixes my problem.

Posted on Feb 13, 2013


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Posted on Jan 02, 2017

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HP nx9600 screen stays black when coming out of hibernation mode

There are several reasons behind this.. u can apply below setps to get it resolved.

There is one document on HP regarding this issue. they say that this is known issue with Windows xp and have provided below the solution on the same. check the belwo link for the same.

However i would also recommend the below stpes to perform.
To reinstall Power Management, take the following steps:

1. Click Start, Control Panel, Performance and Maintenance, and then System icon.
2. This opens the System properties window.
3. Select Hardware tab and click Device Manager.
4. Click "+" beside System devices.
5. Select ACPI Power Button.
6. Right-click the device and select Uninstall.
7. Restart the system.

Power Management will get installed automatically on restart.

You need to update the latest BIOS

== Try Resetting BIOS

1. Restart the notebook.
2. Tap the F10 key as soon as the HP logo appears.
3. Using the arrow keys, from the File menu, Select "Restore Defaults" and then select "Save changes and Exit"

I hope this solution will work. Plz get back if this solution resolvs ur issue or not.


May 16, 2010 | HP Compaq NX9600 17.0-inch WSXGA+...

1 Answer

Compaq HP nx9600 notebook will not power on, even with known good battery or by direct power. It was working fine before turning off. No lights, no signs of booting or power.

First, remove battery and insert power cable then try switching it on. if it powers, then insert battery back when its powered. if it doesn't power, check your power adapter first and make sure it didn't get blown. check whether voltage is reaching. Regards

Feb 10, 2010 | HP Compaq nx9600 Notebook

1 Answer

Need a workable seconds LCD 17'' screen for Compaq

the screen is most likely ok sounds like your power inverter for the screen on the laptop is going out if it is that is a cheep fix compare to replacing the screen a computer rerpair shop that works on laptop should be able to fix that for you

Mar 23, 2009 | HP Compaq NX9600 17.0-inch WSXGA+...

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