Question about Dell E172FP 17" LCD Flat Panel Monitor

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After a few seconds after boot up, the monitor turns black, images are visible in the background, but very dark. as if it is in a power saver mode.

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Do you have brightness adjusting software. if so change the settings. if not there is something internally wrong with your back light.

Posted on Nov 15, 2009

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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

Tried unpluging and nothing tried al buttons nothing the computer was at a shop to BE FIXED AT SHOP OK CAME HOME STUCK IN POWER SAVE MODE BUTTON ORANGE ON MONITOR HIT GOES GREEN SAYS PAWER SAVE MODE HIT...


Press and hold the power button for 5 seconds this will turn the system completely off wait 5 seconds then turn it back on as soon as it boots up go into power options in the control panel and click the option from power saver mode to do nothing as there is a fault with some computers that it gets stuck in power saver mode

Jun 27, 2011 | Computers & Internet

1 Answer

I am running Windows 7 (32 bit) and am seeing ghosting behind the fonts as I scroll them with smooth-scrolling in Firefox and Thunderbird. It is especially visible when viewing on a dark background. I have...


Hello!
First things first!
Usually these problems, its related to monitor or monitor drivers, check the cable conection to the back of monitor, if is HDMI or analog, that is well conected!
other may be bad power cap, or damage, or high freq. static in lines.
hope these hints, helps
Carl

Jan 06, 2011 | HP GeForce 8400GS Graphics Card - nVIDIA...

1 Answer

When My phone is on then 1sec leter phone swich off


A battery function requiring power charge. Provide the phone a full system charge about 45 minutes should store original phone capacity to handly entire functionality pass the power on a few seconds display mode. check on the phone saver or background display and lightening settings. Power saver features could cause the phone to power to sleep mode when not in use. an extensive setting of power saver screen display only a few second soon after the phone is powered on could be distracting to user experince, especially when least recogision of the phone is made by owner

Dec 05, 2010 | Nokia 5220 XpressMusic Cellular Phone

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Dell Latituse D600 display goes dark


Hello,

The picture board on your monitor is faulty or bad, since it goes black after few seconds, it means the picture board of your laptop has developed fault.

The best thing for you to do now is to take the laptop to a local repairer within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself. in order not to complicate issues.

Take care.

Apr 21, 2010 | Dell Latitude D600 Notebook

2 Answers

Dell E152FP monitor goes black at startup, but not permanently


My bet is that your monitor is on it's way out. If this is true, it will get worse until it gets to a point where it no longer works at all. Connecting the monitor to another computer should confirm my suspicion. The monitor has probably developed a problem with some capacitors inside. The parts are not expensive, but finding a shop to do the work at all may be a challenge. If you're handy with a soldering iron you might want to have a try at it.

Jun 13, 2009 | HP W2007 LCD Monitor

1 Answer

Gateway FPD1530 loses image shortly after powering up.


try booting into safe mode. press F8 while the computer is booting. see if everything stays normal. It should tell you that it booted into safe mode. Once there, change the resolution or the frequency of the display(also known as the refresh rate) by right clicking on the desktop and selecting properties. Once there, click the tab all the way to the right, it should give you color quality options and resolution options. At the bottom, there should be an advanced tab. Depending on our video card this menu can be different from others. Look in that new window for and option to change the refresh rate or the frequency. The value will be in xxx hertz. try setting it to 60 hertz.

Jan 31, 2009 | Computers & Internet

1 Answer

Flickering then off


Problem is with Invertor Board maybe defective 2SC5707 transistors.
Samir

Jul 28, 2008 | BenQ FP71E 17" LCD Monitor

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