Monitor shielding

[rhegedus]

In an effort to clear up the bird nest of cables under my desk (2 extension leads + 12 power leads!), I screwed the extension leads to the underside of my wooden desk and plugged the cables in upside down.

Neat.

However, my monitor seems to be suffering the effects of having the so many electric leads close to it (even if they are on the other under-side of the desk) and has now broken out into wierd shimmering around the edges.

What material can I use to shield it from the electromagnetic interference?

[ROF]

This is common in setups such as yours and I'm quite surprised other components aren't reacting similiarly(ie. Buzzing in speakers). The cause is as you said interference and the interference is caused by gravity. Gravity is pulling the cord(s) ever so slightly away from their sockets and exposing themselves. You have two options:

1) Change this setup. Hang your outlets on the backside of your workstation instead of underneath.

2) Use black electrical tape around each socket. Leave 1/4" overlap a fully seated socket. This will help keep the sockets plugged in by using the overlap to adhere the socket to the outlet and also shield the socket from it's gravity assisted drag when it does(and it will) slightly remove itself.

[rhegedus]

Gravity is pulling the cord(s) ever so slightly away from their sockets and exposing themselves....

Nope.....

All snugly fitting - even applying pressure on all of the plugs does not alleviate the problem.

[ROF]

Gravity is pulling the cord(s) ever so slightly away from their sockets and exposing themselves....

Nope.....

All snugly fitting - even applying pressure on all of the plugs does not alleviate the problem.

How many people can fit under your workstation? I've never been able to secure more than maybe 3 or 4 contacts reliably by myself. I only have two hands.

You may not even notice the slight exposure but it's there for sure. Guaranteed if you put the power strips on the floor(ideal location) or attach them to the backside of the workstation this problem will disappear.

[rhegedus]

How many people can fit under your workstation? I've never been able to secure more than maybe 3 or 4 contacts reliably by myself. I only have two hands.

The two extension leads are a x4 and a x8, the x8 arranged in 2 banks of 4.

They can be covered......

Guaranteed if you put the power strips on the floor(ideal location) or attach them to the backside of the workstation this problem will disappear.

And mostly because they will be further away.....

I plugged another x4 extension lead into the wall socked and sat it upright right next to the monitor - same problem.

[KBeee]

UK plugs and sockets are pretty immune from any "gravity induced slippage" cos they're a totally different design from US or European ones.
Have you de-gaussed your monitor?
The electrical field surrounding a 230V power cord is pretty minute, and unlikely to affect your monitor

[MOVIEGEEK]

I would buy a powerstrip that has RF/EMI protection.
As for shielding...lead is the best but it's hard to come by nowadays.

[Doramius]

Sounds like you're getting "modulation" of AC signals. The higher your AC voltage is or the higher the cycles, the worse this will affect video image, even if your monitor/video cable is shielded

Best thing is to make sure your video lines do not run side by side of AC voltage lines. If you have video side by side that's modulating together, oddly enough, wrap the cords in aluminum foil. However, monitor cables should already have some sort of shielding in them anyway. I find it odd that a monitor cable is modulating with another video signal, but I guess there is a possibility of it happening.

Also keep video cables away from strong speakers. Even they have the "potential" to cause distortion. Anything that can cause an AC or fluctuating gauss signal has this "potential".

This may not be your case, but its worth checking into. I also stated "potential" because video cables, monitor cables, speakers, power cords, etc. are all made differently. Just find out what works best for you.

[Cornucopia]

Degauss.

mu-metal shielding.

Power cables perpendicular to signal cables.

Distance.

"Balanced" Power (see Furman site).



Scott

[KBeee]

I've got a feeling that pressing your monitor Menu button, then the Right Arrow button 4 times then the Menu button again will fix this...

[rhegedus]

Wrong feeling.......

[KBeee]

oh well