QUOTE(lex @ May 31 2013, 02:32 PM)
Do you have any wireless devices (e.g. handphone, WiFi dongle/receiver, wireless phone, etc) around the monitor? Also you may want to check your power connections (ie. avoid multi-plug bricks). Try using a AVR (Automatic Voltage Regulator) if the problem persists. Other than that, there's a possibility of getting a bad batch...

Hi Lex,
Thank you for your reply. For the first unit, I brought it to the shop and they had tested it. They too suffer the same thing.
Before purchasing the monitor (this is my first purchase of a LED monitor, Philips 236G3D- a 3D monitor),
I had my 17' monitor, laptop, rig being plugged into the multi-plug on a single power source.
My rig has a 650W PSU.
I don't have an AVR.
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I bought the monitor 21 May, sent back the first unit on 22 May. Then, I got a replacement unit on the 27 May. I sent back the monitor on 31 May.
What I did before sending the replacement unit was, I turn off the rest (speakers and laptop) except for the monitor and the rig.
I only had my speakers nearby (Edifier C2X) which I bought with the monitor. But I had once removed it and place it somewhere else to test on my first unit, and I got the same thing.
On top of that, when I turn the brightness to maximum, the lines are not there, but when brightness is set to 80 and below, then I will be seeing it again.
Other problems on both the units are that, I am able to see thin vertical lines on the screen (as though every pixels are not pack together but being divided by those straight lines but those lines are colored slightly darker), and I was thinking might be because it is a 3D monitor, so I just ignore it.
But what annoys me was the fade horizontal lines moving up vertically.
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The 17' LCD monitor does not have that issue with both speakers near the monitor as well and I am using it with the same usage (speakers on, laptop on, rig on, monitor on currently). (Maybe it is LCD I guess as compared to a LED.)
I wish to clarify with that issue before requesting for a change to another brand/monitor as I have lost my confidence on that monitor.
Thank you. =)
This post has been edited by MercurialA: Jun 1 2013, 12:06 AM