Question about Compaq Evo N1020V Notebook

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Evo n1020v screen problem

When I switch on the computer, sometimes the screen works right, but several times it stays black although the computer runs right if I connect an external screen. It doesn't matter if I use battery or 220v, the problem is the same. Will it have solution? thanks

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  • 32,281 Answers

If you hear the hard drive spinning and you think Windows is working but you can't see an image then :-
You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display or appear black.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Posted on May 22, 2009

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Posted on Jan 02, 2017

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It depends on how "adaptable" the mounts on the "surround" of the LCD screen, i.e., whether the one "surround" was used by COMPAQ for both 14" and 15" LCD screens, or whether the part-numbers were different.

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Could be lots of reasons. First thing you're gonna want to do is backup your important files.

I'd say it's time for a format / re-install.

You could try figuring out the exact problem(s) but it's much smarter to do what I suggested.

Trust me.

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First conclusion: This is not a software fixable problem. If your notebook is still in warranty, I suggest you to RMA it. No doubt somethings broken.

Jan 23, 2009 | Compaq Evo N1020V Notebook

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It can be inverter boad, so try to find someone who have got the same type of model so try to change the inveter the see what will happen.Or try to check the cable if its well connected on the motherboad of the computer.

Mr CPU.

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I'm not sure what good getting into safe mode is going to do?

More than likely this is a hardware problem - If you have already tried different RAM the next thing would be CPU. You may be able to just reseat the CPU in it's socket to help things out.

On the N1020v to access the CPU, you just have to remove 2 screws underneath the power button strip and then the keyboard just pops up. Remove the heatsink and the CPU is right there. If you want to replace it use the part number on the CPU itself (something like SL245)

To forewarn you though - i have worked on these laptops many times and more often the problem is a failing motherboard than a bad CPU or RAM. However it is worth a shot at fixing it if it just needs a CPU.

Good luck!
Don

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If the power saving settings on the screen brightness is ok, then the backlight on the screen maybe on it's way out.

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