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If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
If it is dim, try upping the brightness from the on-monitor menu. If the colors are wrong, check the connection at the back of the monitor and the back of the computer. It could also be that the LCD is dying, which happens from time to time.
Test with an external monitor. If it works, there is a problem with the display's backlight or inverter board.
If you were experiencing discoloration in the screen (pinkish lower light hues) before it failed, that would indicate a CCFL backlight issue. If the screen suddenly went dim on you rather than a slow degradation the inverter would be indicated.
The blinking power button indicates a short in the power
supply which is then not putting out the full voltage needed to give a bright display. This is a very common problem with LCD monitors after 2-3 years
of service. It is caused by heat buildup in the case causing parts
called capacitors to blown out causing the power supply to short out
which in turn make the power light just blink. You can repair it
yourself if you can solder. We have a repair diagram posted on our web
site at: www.ccl-la.com
Replace the parts shown and you will be back up and running. If you
don't want to do the repair yourself we do offer a repair service for
$35 plus return shipping. Let us know if you have any other questions
about the unit or the repair.
I hope this helps, if so please rate our solution.
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
YOu can go to the monitor settings to make sure nothing's been changed. It could be an energy saver issue where the display dims after a certain period of time, and you can reset it to longer period of time so it would stay bright for you
there is a key on the keyboard which controls brightness. on mine it is the second key on the right, of the bottom row. it has a small sun on it. Press this key at the same time as the function key (on mine, bottom row, second from the left, blue key marked Fn) - and the monitor will brighten up.