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Laptop powers up but no image on screen (HP) - Computers & Internet

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Sounds like you need an inverter.This provides power to the backlight.

Posted on Jul 14, 2008

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Hp laptop 620 is very dim but I still see images on the screen when I flash a touchlight on it. how do I fix it


It appears that the back lighting is no longer any good on your screen. You can try replacing the screen to restore proper operation. Or it could be the circuitry that powers the lamps. Check with HP.

Jun 13, 2016 | HP Computers & Internet

1 Answer

I have a HP dv9700 and I think my laptop's motherboard is crewed, everytime i turn it on, the screen flickers, or it'll work for about 5-10 minutes then it starts flickering. Any help?


It could be the lamp. To trouble shoot this I would power on the laptop (and if the laptop stays powered on while the screen goes off) then connect an lcd/ monitor directly to your laptop. In order for you to change the screen image from the laptop to the monitor you will have to hold down the FN key and tap on the key thata has 2 monitors on it. This should be located on one of your F-Keys. For example on my laptop it's F5. If your image pops up on your monitor then its most likely your lamp or it can even be the laptops lcd screen inverter. Either way it can be repaired. The lamp replacement is the cheapest and easiest.

Nov 30, 2009 | HP Pavilion dv9000z Notebook

1 Answer

HP DV4000 Widescreen desktop image does not fill screen


go on u deksto click with right-properties-display setings and change the resolution.

Jul 01, 2009 | HP Computers & Internet

1 Answer

Screen went black whilst using it


You could have a backlight problem.
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.

Apr 13, 2009 | HP Computers & Internet

1 Answer

Can not see anything on the screen


If you see a very dim image or black screen or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 28, 2009 | HP Pavilion dv9700t Notebook PC

1 Answer

No light from my replaced display


If you see a very dim image or black screen or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 28, 2009 | HP Pavilion dv5000t Notebook

1 Answer

HP Pavilion dv1000 Notebook PC display not coming on


Does the laptop power up even though you can't see an image on the screen?

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

If you see a very dim image or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 22, 2009 | HP Pavilion dv6000t Notebook

1 Answer

HP dv9000 won't come out of black screen.


You could have a faulty video card, or a faulty inverter, (this supplies high voltage to the CCFL lamp), or a faulty CCFL lamp.

Connect an external monitor to the laptop and power it up, if you see a clear image on an external monitor, this means your video card is OK.

If you see a very dim image or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 19, 2009 | HP Pavilion dv6000z Notebook

5 Answers

MY HP PAVILION TX1000 TURNS ON BUT HAS NO DISPLAY.


Turn on pc
Take a hairdrier at full 2000watts and apply heat into computers vent in upper right corner for approx 2-3minutes - screen will turn on and off due to the heat - turn computer off - now apply pressure to keyboard around J K L and enter buttons several times or use pressure with your palm without damaging keyboard,only firm pressure - wait 5-10 minutes for pc to have cooled down - power on and it will ligt up screen..this helped on mine....
rgds Peder/Denmark

Mar 16, 2009 | HP Pavilion tx1000z Notebook

1 Answer

Dark unreadable screen


If you see a dim image or flicking image on the LCD screen it means you have a backlight problem.
Connect an external monitor to the laptop and power it up, if you see a clear image on an external monitor, this means your video card is OK.

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.

Mar 13, 2009 | HP Pavilion dv6000z Notebook

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