LG Studioworks 700S 17" CRT Monitor, on screen

Remove any speakers or magnets that you might have near the monitor as they can cause visual distortion on your monitor screen.

problem with the monitor Display cable. it is damaged.

Normally monitor will receive 3 colors red, green, Blue signals from CPU. If one cable i.e Red wire connection is missing in display cable which is connected to monitor, Red color image on monitor wil be replaced with other fade color.
So, need the replace the display cable or display connector!

Did you check to make sure the PC is sending a video signal? Try another screen to confirm if possible...

You could have a bad cathode ray tube or you have a bent pin on the VGA cable.
this could also be due to a color correction circuit on the monitor circuit board.
Your monitor may also have succumbed to age.

pin no 1 - Red colour signal (Red colour wire)
pin no 2 - Green colour signal (Green colour wire)
pin no 3 - Blue colour signal (Blue colour wire)
4&5 Not connected
pin no 6&7&8 are (Grounds)RGB Returns
9&10 NC
pin 13 Hohizontal sync signal
pin no 14 vertical sync signal
Not nessasry other pins

vga uses separate rgb (red, green, blue) connections to compose a video signal, sync and resolution, whereas the video female uses an analog signal with different signal info. you need to get a tv out adapter for your pc that cames with a the display hardware. look for video cards with video out or if you have a digital tv, with hdmi or dvi out. good luck

pin no 1 - Red colour signal (Red colour wire)
pin no 2 - Green colour signal (Green colour wire)
pin no 3 - Blue colour signal (Blue colour wire)
4&5 Not connected
pin no 6&7&8 are (Grounds)RGB Returns
9&10 NC
pin 13 Hohizontal sync signal
pin no 14 vertical sync signal
Not nessasry other pins

if you can't figure it out, don't do it.
you will kill yourself from electrocution.

try setting the screen focus network.

First of all I would check your video card. Do you have another monitor that works fine? If so I would hook the good monitor to your video card and see if you are getting a signal. If you still do not have a signal in the good monitor there is something wrong with your connection on your video card. Check the connector on your video card if it wiggles alot then it has come loose from the card. Best option here is to buy a new video card. If you feel that the connector is seated flush and does not move. Then you might want to look at two things. Either your monitor is not working properly or there maybe a piece of hardware that has come loose or unseated in your computer case. Try this and if you have problems feel free to contact me.