Question about HP Compaq nc6220 Notebook

1 Answer

Laptop dark screen

Sometimes when I turn on my laptop, the screen is very dark, although I can still just barely make out my icons, desktop, etc. This makes me think it is a problem with the backlight. However, it never happens when I have its power cord plugged in - it's only when I switch over to using it on battery power. I know the battery is fully charged, so that's not the issue. Also, it doesn't happen every time. Thanks for any help!

Posted by on

Ad

1 Answer

The laptop will reduce screen brightness when on battery to reduce the battery consumption. It should happen every time. You can adjust brightness with the fn+f10 but it will be dimmer when running on battery.

Posted on Aug 15, 2007

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Gateway laptop powers up but screen does not come up.


Why did you replace the lcd inverter? Were you able to barely see icons on the desktop which is an indication that the lcd inverter is bad? If not, then you need to replace the lcd screen. If you could barely see the icons and you replaced the lcd inverter, then the inverter is bad. Just because the inverter is new does not mean it works. If the video shows on the external monitor, but you can't see anything on the laptop's screen even when you shine a flashlight on it then the lcd screen is bad.

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your ideo card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad.
If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

May 24, 2012 | Computers & Internet

1 Answer

Laptop turns on but screen doesn't show


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

May 07, 2012 | Acer Computers & Internet

1 Answer

Hp laptop dark display


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

May 05, 2012 | Computers & Internet

1 Answer

Laptop starts up then the screen stays black


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Apr 08, 2012 | Computers & Internet

1 Answer

On but no display


So the power is on but there is no display. Does it look like the laptop booted all the way? Does it look like the laptop is running but there is no display?

If the laptop is running, you hear the fans running, the hard drive running, etc. but the display is black, try the steps below:
Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card is bad.

Apr 07, 2012 | Computers & Internet

1 Answer

Lenovo G470 the power is on but no display


So Power is on but no display. Does it look like the laptop booted all the way? Does it look like the laptop is running but there is no display?

If the laptop is running, you hear the fans running, the hard drive running, etc. but the display is black, try the steps below:
Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Apr 07, 2012 | Lenovo Computers & Internet

1 Answer

WHEN A SYSTEM IS ON BUT NOT BOTHING ON THE SCREEN


If it's a desktop try another monitor. If the other monitor works, then the original one you were using is bad. If the other monitor does not work then most likely your video card is bad.

if it's a laptop take a flashlight and shine it on the dark screen. If you look real hard you might barely see the icons on the desktop. If, so then your LCD Inverter is bad. If you don't see the desktop with a flashlight, try using a external monitor. If the external monitor displays your desktop, then the video card is good, but more than likely the screen will need to be replaced.

Mar 26, 2012 | IBM Computers & Internet

1 Answer

The screen is very, very dark. Someone told me the backlighting might be broken, but I don't know. I can just barely make out things on my desktop. The lighting can't be turned up.


make sure your wire is connected to the main power, cuz it could be loose, my laptop goes dim if its not connected to the main power, but im not sure about very very dark

Jul 04, 2009 | Dell Inspiron 1420 Laptop

1 Answer

I have an Evesham Explorer A5500 notebook Laptop and earlier when i was usuing it the screen became covered in white lines i rebooted to try and fix the problem but now when i turn on my laptop the screen...


Take a bright light and shine it on the screen when it is on. Can you barely see any display, but really dark? If so, the lamp or the lamp inverter has failed (some laptops use LEDs instead of CCFL lamps and has no inverter either).

Just hooking up to another display doesn't necessary tell you anything if it doesn't show anything. As sometimes you have to change a settings in the BIOS, use the Fn key plus another key that looks like a monitor, or change it through a display menu on the screen.

Jan 30, 2009 | Computers & Internet

3 Answers

Sony vaio screen dark then light


might be going into a powersave after it boots...try checking the power options

Feb 28, 2008 | Sony VAIO PCG-K35 Notebook

Not finding what you are looking for?
HP Compaq nc6220 Notebook Logo

Related Topics:

335 people viewed this question

Ask a Question

Usually answered in minutes!

Top HP Computers & Internet Experts

Les Dickinson
Les Dickinson

Level 3 Expert

18429 Answers

pontelemon
pontelemon

Level 3 Expert

538 Answers

Alun Cox

Level 3 Expert

2678 Answers

Are you a HP Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...