Question about LG Flatron L1715S 17" LCD Monitor

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Flashing the monitor flashes and changing the frequency between 60, 70 and 75 Hz does not help

Posted by robvdweide on

  • A S S E M Aug 18, 2008

    The blue led flashes



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I have the same problem- however, a simple solution is to unplug the power, wait for about 20 secs, and plug it back in, and the screen will turn on... You may also take the screen and tilt it backwards until it turns on....

Posted on Aug 27, 2008


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My lg monitor shows out of frequency

just boot in safe mode

and from control panel change resolutions and frequency

set it to 1152 x 864 and 60 hz

Aug 06, 2011 | LG Studioworks 563N 15" CRT Monitor

1 Answer

Monitor only works at start up. then I must use optional monitor. occasionaly monitor will work for a short time

You may need to change the resolution on the screen, in windows, you may find the "Display Options" under "Control Panel", usually this problems is caused by the computer having a hight resolution than the supported by the monitor, for your specific monitor the available resolutions are:
Support of video modes up to 1280 x 1024 at a 75 Hz refresh rate from the manual at:
That means you have to chose a resolution lower than 1280 x 1024 and a frequency lower than 75 Hz. Anything higher than that on the resolution or frequency will cause the monitor to display a "Out of Sync" message and turn off shortly thereafter.
Thanks !!!

Mar 06, 2011 | HP Pavilion F1703 17" LCD Monitor

3 Answers

I feel my ASUS monitor is bright to my eyes. I checked and found the frequency of the monitor is 60Hz. I want increase the frequency of my monitor. How can I do it? I want to my eyes feel comfortable for...

On nearly all LCD monitors the frequency cannot be raised above 60 Hz. This is due to the way LCDs are displayed, which is very different than CRT monitors (on a CRT, you can select a range of refresh rates)

Mar 03, 2011 | ASUS VW224T 22 inch LCD Monitor

1 Answer


It appears the operating system you are using is set to output video at a frequency that is not compatible with your monitor. If you have another monitor available you should connect it to the computer and change your display settings to output at a rate (Hz) of 50 or 60. If you could let me know what operating system you're using I can help you a little further.

Feb 28, 2011 | Sony Computers & Internet

1 Answer

Upon startup a gray box appears reading "frequency out of range"how do i fix it? 95kHz / 120 Hz Please change it to 1280 x 1024 with 60. i have set the computer up with another monitor and it works just...

Reconnect the "other" monitor.
Right-mouse click anywhere on your desktop "wallpaper".
Click Properties.
Click Settings.
Move the slider to 800 by 600.
Click Advanced.
Click Monitor.
Change to 60 Hz.
Click OK.
Reconnect the LCD monitor.
It should display your desktop, at 800 by 600 by 60 Hz,
including that "Properties" page.
Move the slider to 1280 by 1024.
Click Apply.
If you can see the "prompt", click OK.
If you cannot see the "prompt", wait 15 seconds,
to revert to 800 by 600.
Slide to 1024 by 768, and click OK.

Jan 04, 2010 | Princeton Digital VL1918 Monitor

1 Answer

How to fix blinking of HP L2208w monitor

well , did you read the rules on the monitor for
resolution? 1680 x 1050 at 60 Hz
and that this OLD MON. has CCFF back lamps that can fail in 20,000 hours use! its not LED so they fail early.
dim , blink or just go dead. all do that and fast....
why not upgrade, to LED< be best. for sure.
no CCFL has future, now, they are too old now.
and spending $50 to fix a old CCFL mon.
when we can buy a new one for $50 , is well, good money after bad.

does the monitor run on any other PC OK? I bet not.

the only clue for sumptoms above is BLINK
I cant see that do that so can tell you any thing....
shine flash light in the face screen yet
to see if BLINK is , Backlight dead, or DATA DEAD.?

Sep 18, 2017 | HP L2208w LCD Monitor

1 Answer


1. change the system frequency 60 Hz

2. settins change 1024 by 768 pixels

Nov 18, 2008 | Dell 17" Monitor

1 Answer

I have a e machine monitor

inside windows their is a setting for displays that you can adjust 60 hz is best but most lcds can handle 75 hz as well hope this helps

Apr 26, 2008 | Gateway FPD2275W LCD Monitor

1 Answer

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ya u enable vga mode hit f8 at start up in xp select vga mode ok resets u then use 60 hertz man and its native res ok only update drivers ect mark me ask fit ya ok thx nick

Feb 08, 2008 | ViewSonic VX1935wm LCD Monitor

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