Monitor says no signal an go's black - Gateway 19" Flat Panel LCD Monitor

Did you test the monitor on another computer to rule out a video card problem.

hi,

first of all,try to connect the cable to other device(laptop) to see if is working,because if you receive the message"No signal" then the monitor is working but the cable/signal did not cross to the monitor,then is working with other device then try again or check if you can connect the monitor with different port if you monitor has one vga/dvi or hdmi.

Its the signal cable fault. Try to change it and then check again. Get some good branded signal cable.


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If the monitor is black either the computer is not sending signal to the monitor or the monitor is getting the signal and its broken.

1.) does the old monitor or another monitor work with the computer you have. if yes your monitor is prolly broke since there is not much to a monitor they automatically detect signal as soon as its turned on.

2.) if the monitor doesnt work the old one then your computer is the issue and it can be a lot of things can cause no video

This is a common problem with many LCD monitors. The
printed circuit board that provides a stable voltage for the monitor to operate
from starts to fail. The PCB can be replaced, when/if they are available, or repaired
in most cases at a much lower cost. for more information on this email me at
[email protected]

If the screen is black or blank, but an error message such as No Signal displays on the screen, the problem might be related to the video signal, also check the power to the monitor, test the video connection between the computer and the monitor to make sure it is connected correctly, and connect the monitor to a different computer.

thanks for using Fixya
Felix Alphonso

please check the signal cable..... sometimes the signal cable gets faulty and it would be best if you replace it..

sounds like a video card issue.  Check the screen on another computer.  If it is doing the same thing, it is the monitor.  If it doesn't, then you have a video card issue

Take the post (power on self test) disconnect vga cable and connect power cable if monitor shows no signal check signal cable massage then monitor is ok fault is in cpu. open it and clean the dust
by vaccum cleaner you will get the display again

SIGNAL CABLE WIREING.
1) RED
2)GREEN
3)BLUE
4)GROUND
5)BLACK SHIELD
6)BLACK SHIELD
7)BLACK SHIELD
8)BLACK SHIELD
9)BLACK
10)VILET
11)
12)ORANGE
13)SHIELD
14)YELOW
15)WHITE