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Samsung 940B monitor, 14 months old. Power light on when connected to PC, but no images, not even menu or Digital/Analogue prompt. PC recognizes the monitors presence,any ideas please?

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Monitors are passive components in a computer system. These just receive signal from the CPU. You may find another CPU and connect your monitor to it to test if it really doesn't work. If it works, this may just mean that your video adapter has a problem.

You can also check the cable attached to the monitor. It may be damaged due to twisting or other causes. Check also if the port is inserted firmly.

Posted on Aug 31, 2008

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I have a black screen and blinking blue light


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Screen keeps saying analogue saving mode and keyboard fails to repond


Hello

When the monitor states "ANALOG / ANALOGUE" - that is letting you know that the video input that the monitor is trying to use is the analog connection (the VGA - blue with 15 pin - connection).

If you are using the DVI (white connection that is about twice as wide as the VGA) or a HDMI connection, the monitor is not recognizing these inputs. You may need to use the buttons on the monitor to manually switch to the correct video input.

You state the keyboard fails to respond. Please verify the PC is actually on (press the eject button on the CD/DVD drive and see if it opens). Once you verify the PC is on and responding, press the NUM LOCK / CAP LOCK and see if the lights on the keyboard change.

If they do not change, try rebooting the PC and see if this resolves the issue.

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I have a dual display with a Samsung digital LCD flatscreen and LG analog LCD flatscreen running on WinXP with a nVidia GeForce 8400GS video card. The video card is new - the old card (which was hooked up...


Hi

I'm not sure what you mean by VGI. I will assume you mean VGA (Analogue - D Shaped with 15 pinholes).

When pixels or line of lixels fail on a monitor, they usually fail in spots or in a vertical lines due to the design of the matrix.

Since both monitors are sharing a single cable and the graphics card is a new one, the fault automatically isolates itself to either the monitor or its VGA connector.

Check that none of the pins in the end that connects to the faulty monitor are bent and/or touching one another and shorting.

Then try changing the resolution of the graphics card itself and test the monitor's performance at various settings to see if the resolution seeting is straining against the limits of the monitors range.

Right click on open space in the desktop > properties > settings > click and hold the slider scale step by step, up and down the scaled to test the monitor > apply > ok > test for a reasonable period > reset.

Also test the monitor with a single VGA cable to another computer (even a laptop, using the Fn key + external monitor function key).

Thses tests should tell you if the monitor is failing.

I hope this helps.

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My monitor screen is ok for awhile but suddenly turns a dull yellow color. I just bought it a few months ago.


Hi,
you must adjust the display settings in the software program that was being used to change the display setting.
  • If you have a flat panel LCD monitor, unplug the monitor power cable, wait about 30 seconds, reconnect the cable and then turn on the monitor. This resets the electronics on the monitor.
  • Make sure the monitor has power - the light on the monitor is on. If the light on the monitor is off, the monitor does not have power. Connect it to a different power outlet.
  • If the monitor has a detachable video cable, obtain a second monitor cable for testing purposes in case the cable is bad.
  • follw the another steps-
  • Replace the monitor power cable.
    1. Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
    2. Replace the video cable. Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
    3. If the monitor does not work after replacing the cables, replace or service the monitor
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    You might need to go into the monitor's setup menu and select the digital input. (That's DVI, by the way, for Digital Video Input, and not DV1.) Some monitors automatically detect the input but not all of them. Obviously, this doesn't apply if the Samsung has only a DVI input. It might also be necessary to tell the video card to turn on the DVI output. You can do this with your old AOC connected and use the video setting utility supplied with the video card.

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    Pc wont read monitor


    If you look at the monitor there will be an led light on the front that is always orange or yellow when the computer is off but still connected to the monitor. This led will turn green when the computer boots up, sometimes even showing a "no signal" display before boot. If you see the 'command line'  text during the boot process (video info, BIOS version, POST text, etc) then the monitor is being recognized by the computer. If that text goes away and the led goes back to orange then it is a driver or operating system problem. Pressing whatever key is prompted at the lower left of the display, if you have a display, like F1, F2, F10, Delete or whatever will get you to the setup program and all is good with the display/computer connection and a green light will stay on. If you never get that green led light then either the video card is bad or not seated properly 

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    I have a 14 month old HP TX1215NR notebook pc, that will not boot. The power lights come on but there is no hard drive activity. HP say sorry out of warranty. Is there any fix?


    Ok heres the next step in trying to troubleshoot your problem.

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    Acer lcd monitorX221W : 18 months old, no prior problems. Today, image suddenly went out. Upon restarting, the name ACER comes on , fades after a few seconds, then the prompt to fill in Password. The...


    Sounds a lot like the backlight for it is just about dead. Nothing you've done can cause this to happen, and it certainly isn't a setting on the monitor or PC.

    The backlight can be bought as a part, and replaced by a technician (or yourself if you have a rough idea what you're doing). By the time you find one, buy it, ship it, fit it... it might not be worth your time for the cost of a new 21" widescreen monitor.

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