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Hello dear sir i have an old samsung labtop

Hello dear sir i have an old samsung labtop that its screen became so dark i cant see the desctop even how can i solve this problem thenks

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You may have a defective CCFL backlight, it may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickers 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 replace the CCFL lamp.
To determine if the video card or the LCD is faulty, 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. It could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out, this is the most likely case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -
www.lcdparts.net

Posted on Oct 02, 2009

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Posted on Jan 02, 2017

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What should I replace next, I have a samsung lcd with no backlights but picture shows with a flashlight in a dark room.


sir,
even if you changed the back light inverter the fault remain as same, it seems to be the back light LED is damaged carefully remove the outer frame of the panel then dis connect the LCD then remove the frame of the defuser screen , take out plug your TV, check the LEDs

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If your unit is about six years old I would say that it is the lamp. You should change it before it blows and causes more problems. I have a tip at http://www.fixya.com/support/r4168009-change_lamp_in_dlp_projection_tv which explains the problem, how to fix it and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the great rating.

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To choose what to display when Windows starts, how to make the PC faster and even speed up the Internet, go to my YouTube Channel here. It has answers to all kinds of problems.
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