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Flickering screen on laptop - HP Computers & Internet

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  • Nick Sharp May 11, 2010

    Fn42,



    when the screen flickers do you mean it goes from being on to off so to speak, and if so when the screen is "off" can you see anything on the screen if you say shine a torch up to it.



    If this is the case it could be a problem with the backlight on the panel.



    Regards



    Nick

  • tekdj May 11, 2010

    What type of laptop and has any water or damage occurred? THanks

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Try left clicking on desktop screen, go to properties, then to settings, then click advanced settings and reset your monitor refresh rate to 60hz.
Good luck.

Posted on Dec 03, 2008

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Posted on Jan 02, 2017

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Black flickering screen on my tobisha laptop


flickering screen could be the inverter being faulty these inverters are cheap to buy just make sure you get the correct one.

Could also be an issue with your sleep button these are very small and gets activated with you close the lid.
LCD back light is broken.

inverters do brake as it supply the power to the lcd.

Mar 09, 2014 | Computers & Internet

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Hi my ho nx9005 laptop screen keeps flickering


you have a problem with your flat it is a cable connecting the monitor to the notebook itself and may be damaged or not fixed in it's place

Oct 26, 2009 | HP Computers & Internet

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Screen


I assume your computer boots up, the hard disk spins and the hard disk LED light flashes.
If so then you may have a 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 the monitor up first then the laptop, 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

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Screen turns blank all of sudden and works normal after switching of the system for 1 hr or so.


You could have a defective screen - a defective inverter or a CCFL lamp.
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.

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Laptop screen is totally blank as a duster with magnet was used to wipe the screen by erros


It is highly unlikely that using the magnetic duster could damage a LCD screen except putting scratches on the surface of the screen. There is nothing in a LCD screen that can be affected by a magnet. A magnet will affect a CRT monitor because a magnetic field will affect/deflect the electronic beams that hit the color phoaphorus dots on the screen.

You could have a defective screen - a defective inverter or a CCFL lamp.
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.

May 05, 2009 | Computers & Internet

1 Answer

a


You could have a defective screen - a defective inverter or a CCFL lamp.
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.
  • 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

Apr 21, 2009 | Computers & Internet

1 Answer

Flickering laptop screen


flickers..sounds like a problem deeper than the screen..what kind of pc laptop are you using. and please provide the model number?

Nov 21, 2008 | Computers & Internet

2 Answers

Laptop screen flickers then goes very dark


Did you check the sleep mode or power off mode? What do you do to make it come back on? Sounds like it might be getting too hot and/or going bad.
I can't fix this for you, but if I helped you get it fixed, please rate it as a fixya not a helpful rating. These ratings let me be allowed to help you and others in the future. If you need more help, feel free to keep asking, but keep the original information so I can see it.

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1 Answer

Flickering lap top screen sometimes screen doesn't light up at all


There is a switch on the top of the laptop that "detects" whether or not the laptop is open. This effectively shuts off the screen when the laptop is closed. Look for a "bump" on the screen face that corresponds to a depression in the laptop. This should be the "switch" mechanism. If the actual switch in the laptop body is stuck, you could see the symptom you describe.
Dan

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