Question about Dell E771p 17" CRT Monitor

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Monitor display My monitor display keeps shrinking horizontally.

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  • Rainbow2008 Apr 02, 2008

    Up until about year ago 2 of my DAYTEKs started acting up with the screen shrinking horizontally and now my TTX is doing it too. I lightly tap the side of the monitor and everything goes back to normal. I find it is a magnetic field that is causing this. Maybe a badly grounded plug, I moved my TTX and I have a lot of equipment plugged on it at it's new location and it is doing it now too. I believe it is on the same circuit as my fridge. I haven't exactly pin pointed the problem. One monitor, if I replace it with a monitor that doesn't do it, will do it at the same location of the one that is doing it. It's something to do with what is connected on the same circuit of that outlet.

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Im not too sure on how to fix the ungrounded curcit but upgradeing to a lCD panel would completly fix this problem.

Posted on Jun 06, 2008

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The DB15 VGA (Video Graphics Array) connector contains however 15 pins in three rows of 5 pins each. These five pins carry the color and synchronisation signals, also a digital I2C interface for two-way communication between the video controller and monitor. The common 15-pin VGA connector found on most video cards, computer monitors, high definition televisions which support VGA connections. The following schematic diagram and table shows respectively connector and pin assignment of DB15 VGA.

Pin
Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

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Hi...there,
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Check with the manufacturer information that you have the refresh rates and maximum resolution set correctly. If in doubt, go to your display properties and try something basic to test if this is the problem. A basic setting may be as low as 1024x768 at 60 Hz.

(You can access your display settings by right-click the desktop anywhere and choose properties, then settings).

Leave the monitor at that setting for a while to see if the monitor changes the picture.

If the picture changes, it may be component failure in the monitor. If not, the problem is then related to the settings from your VGA card are too high or dense causing the monitor to fail after a time. Try something higher like 1280x1024 @ 60Hz and keep going till the picture fails. Compare the best functioning resolution with the manufacturer claims about the product in the product documentation.

Be sure there are no cable bunches and the power cables are not wrapped up with the VGA cable under the desk or there are not too many cables lying about, although unlikely, this has been known to distort the picture.

Let us know if this helps.

Cheers


Gund

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You need to service your monitor. Give it to an authorized service center.

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