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The Screen flickers and then goes very dark - Toshiba PC Desktops

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Its needs servicing

Posted on Jun 06, 2008

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1 Answer

Screen is dark on one side


its inside the screen its pretty much not gonna work right ever again and i wouldnt waste too much time on it

Jun 12, 2010 | Averatec D1002UHCE-1 All-In-One Intel...

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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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2 Answers

I have a HP Pavilion laptop ze4900. Every time I move th screen, the display either goes off completely, or it goes vey dim and I cannot read anything from it. The only thing I can do to get a display


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.

May 03, 2009 | PC Desktops

1 Answer

Screen goes dark


its probably the battery or the memory,

May 02, 2009 | PC Desktops

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 | PC Desktops

1 Answer

Screen Flickering


Try this monitor with a different computer and/or try your computer with a different monitor. This will tell you where the problem is. :- )

Jan 23, 2009 | PC Desktops

1 Answer

The LCD does goes dark after power on


you mean few second the monitor goes in black. then its come. if it happen, it is ok

Jan 21, 2009 | Sony VAIO® VGC-LS37E PC Desktop

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.

Jun 06, 2008 | PC Desktops

2 Answers

The Screen is Dark and Cannot be Bright by the Brightness Keys. It Flickers when it first comes on but goes Dark. Can see it if you shine a Flashlight on the Screen. Also the Lid Switch if you Press that...


Assuming all of the connections are secure this is most likely due to a failing LCD inverter which is basically the backlight of the screen. If it's less than a year old cash in on the manufacturer's warranty. If it's not you might as well buy a new one. Hope this helps.

Apr 13, 2008 | PC Desktops

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