Question about HP NX9010 Notebook

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Nx9010 screen very dark

When I switch on my laptop the screen is very dark and I cannot do any work. I can connect it up to a monitor then it is fine. It is quite old and no longer under guarantee. Would it be advisable to get it repaired?

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Hi,

Based on your post/description that the laptop still works using an external monitor, then perhaps what is at fault is your laptop's display. Chances are that it is the CCFLamp (Cold Cathode Florescent) that provides that backlighting or even the inverter that powers it. In some extreme case, it is the LCD display screen itself that is at fault. You can verify that it is the CCFLamp/Inverter by shining a flashlight at the darkened screen while the unit is operating. Some semblance of your desktop would be visible albeit too dark to be of use.

If indeed you have verified that it is the screen backlight that is at fault, it is, from a technical point of view reasonable to repair. Your concern would be local availability of the replacement part, cost of shipping (if otherwise) and local qualified service personnel for the job.

In some areas/regions, cost of repair would not exceed 100USD if it is the CCFLamp and/or the inverter.

Hope that this be of some help/idea. pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Posted on Nov 15, 2007

  • Louie  Role
    Louie Role Nov 26, 2007

    Hi again,



    Appreciate the rating and glad to be of assistance.



    Cheers.

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Ok i am having the same issue with an NX9010 but we replaced the lcd inverter and back light ... took the screen assy off the laptop and put it on another one and it works fine. Any settings maybe to turn off the backlight on this model? or can this be a motherboard issue??

Thanks

Posted on Sep 02, 2008

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2 Answers

Why is there no display?


hi

can you plug in another monitor to the video plug on the side of your laptop?

if the monitor works but your laptop screen stays dark your laptop screen needs to be replaced .

If the monitor is also dark then the LCD screen is ok but the inverter needs to be replaced
25717570-m35oz4jvdfvvmght4a51n0jl-5-1.jpg lcd connect to laptop
25717570-m35oz4jvdfvvmght4a51n0jl-5-3.jpginverter
25717570-m35oz4jvdfvvmght4a51n0jl-5-10.jpglcd screen replacement
cheers

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My brightness control does not work just turned on and can not hardly see anything it is up and running what now


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

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Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

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2) we will go and install the upgraded graphic driver

3) we can try doing system restore

4) we will go and do recovery

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sounds like your monitor is shot or one of the connections in the back hope this helps regards Jim

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I am assuming that you have tried switching from external monitor output and local monitor. There should be a hot key on the keyboard to switch it. Also, try looking to make sure the driver for the display is up to date. I f it was update recently try rolling the driver back. If you need help with doing any of this post a comment. Hope this has helped some.

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