Q:

Burned white shadow on 24inch monitor

So I got this brand new monitor today an noticed the following problem:

This happens while I'm moving my browser window for example.
It's not font related, it also happens with icons as you can see on the picture.
It's only persistend while I'm moving something, the faster I move it, the farther away is the shadow from the origin.
I tested it on windows, linux and two different systems with DVI and VGA.
Is this a known issue ?
Specifications:

Name: Acer S242HLCBID
1920x1080 @ 60hz  
2ms response time  
contrast: 100.000.000:1
manufacture date: week 48 2011
LED backlights

A:

This is called ghosting, and is either a physical defect in the monitor screen, or sometimes if you're using a poorly-shielded VGA connection with a lot of interference. If you're using a VGA connection, try switching to DVI or HDMI to see if it goes away. If it doesn't, then your best bet is to call up the manufacturer or retail place you bought it (if the purchase was recent enough) and see if they'll replace it.
They may not - Every monitor ghosts on some level, the idea is simply that the pixels can change fast enough that a human won't notice it. It may wind up being subjective over whether the monitor is within operational parameters, or is defective.

