Question about Acer Aspire 3003WLCi Notebook

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Monitor The monitor you can verly see it its so dark and the resultion will not lighten it,

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The back light is out it can be the inverter the light it self or one of the plugs has worked loose. Some back lights can be changed on their own some are built into the LCD display so would have to change the display.

Posted on May 29, 2008

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I have lenovo g550...my screen flickers in every 5minutes...


Failing Inverter An inverter, typically found inside a laptop computer, consists of a small board, which has impregnated electronic circuits stamped on it. Inverters look like thin boards about the of two sticks of chewing gum. The inverter and its bulb control the intensity of the liquid crystal display, which lights the screen monitor. The computer can control the output voltage of the inverter and either lighten or darken the screen. A special type of inverter can adjust the brightness of the screen by using an internal sensor to judge the room brightness, and then adjust the screen accordingly. Failing inverters give off some specific warning signs, which can be recognized by observing different screen characteristics.

Short Intermittent Display Upon turning on the laptop, the screen flashes on in the normal mode for a short period and then blinks to black. A very faint image appears in a dark background, which will be very hard to see almost invisible. After shutting off the laptop and restarting, the same mode occurs, where the screen appears normal for a few seconds then fades to black. This condition points to a failed inverter. To confirm this, plug in an operational external monitor; if the external monitor functions, the inverter has failed. b> Total Blackout with Ghost image b> The laptop turns on, as indicated by the power supply button, but the screen comes up black. The screen comes up black after restart. You might be able to detect a very dim or ghost-like image on the monitor. When you plug in a known functioning external monitor, the external monitor operates normally. This mode of display indicates a failed inverter. b> Long Term Periodic Operation b> With this failure mode, the laptop screen illuminates normally upon start-up and remains that way after several minutes, hours or even days, until it goes very dark again. Brightness controls or restoration attempts do not work. Most often, the screen will function normally with a computer restart, but will eventually return to black. Faint ghost images might appear, as seen in the total blackout mode. b> Dark With Color Variation b> Upon computer start-up, the monitor shows black or dark gray, accompanied by very faint images. The screen might have an intermittent color change, or remain on with a non-standard color variation, like pink or red. b> Auto Control Switch b> If the screen appears black, with no faint or ghost images, look for the lid switch near the back hinge. The switch, when depressed with a closed lid, shuts off the computer and monitor functions. Sometimes the switch becomes stuck in the closed position, disallowing the computer and monitor to turn on when opened. Pushing the switch manually several times can often free it up. If the switch tab has broken or jammed inside the case, it needs replacing. b> Loose Connection In this mode, the display looks normal upon start-up, but tapping the side case of the computer turns the screen black. More tapping results in the screen functioning normally then cutting out again. This condition points to a loose wire connection from the inverter to the LCD backlight lamp, or the video cable. The connectors can be accessed by removing the monitor bezel screws and pulling the plastic retainer off. Both connectors can be cleaned and refitted.

Feb 10, 2013 | Lenovo G550 PC Notebook

1 Answer

Screen to dark


There should be brightness controls on the keyboard (looks like a sun). Do you have these? Sometimes you need to press a Fn key to access them

Dec 22, 2012 | Compaq Presario CQ62-215DX Laptop

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No light at the sides of the monitor.(led) The monitor is very dark , but still there is video.


Dark screens are usually the result of a broken backlight tube - most likely impact / shipping related. Being the 15" screens on these computers are pretty darn cheap (eBay's your best bet), I'd buy a used screen and replace it. Target price: under $40.

Apr 30, 2011 | Toshiba Satellite A15-S127 Notebook

1 Answer

The screen on my Aspire 6530 is very dark, unable to find the answer to lighten the monitor.


sounds like the lcd "Backlight" or Inverter.
This is a good site for DIY'rs
Lots of good tutorials with excellent instructions and pictures.
www.insidemylaptop.com
Hope it helps.
If this helps you resolve your problem, please
consider giving me a good rating and a quick
thanks or good job.It will help me as well. Thank you.

Oct 27, 2010 | Acer Aspire 6530-5143 Notebook PC

1 Answer

My screen is on the dark side.my battery is okay.i am on ac power.how do i get my screen to lighten up? thank yu


if screen appears to dark, and u can see display in dim,

all u have to do is, change the backlight of lcd screen.

if ur in UAE, contact me3

Sep 24, 2010 | Toshiba Satellite M35X-S163 Notebook

1 Answer

MONITOR VERY DARK


Try using the FN key and the up arrow at the same time while tapping the up arrow, also make sure that if you have vista, you are not in "power saver mode". if there is no light at all coming from your screen, you may have a bad display bulb, this could also be a faulty invertor, but you would have noticed a constant flicker.

Sep 07, 2009 | Gateway PC Laptops

1 Answer

Dark/black screen on laptop


take this into geek squad to get monitor fixed because what has happened is that the back light behind the lcd has burnt out.

May 24, 2009 | Dell Inspiron 6000 Notebook

1 Answer

Hp pavillion dv8210us sceen is very dark, can see light shadows


So you get no results with Fn+F7/F8 keys?

Dec 23, 2008 | PC Laptops

1 Answer

Screem oroblem


You may be able to lighten it up with your keypad if not the screen or video inverter is bad.

Aug 12, 2008 | Gateway 7320GZ Notebook

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