Formation of moisture between LCD and front panel in a iMac

Hi Guys

I am using a 21,5" iMac for the last 18 months or so. Every monsoon (which is pretty heavy in Bombay) I face a strange problem. A few minutes after starting the mac, moisture starts accumulating between the LCD panel and the front glass which covers it. I have complained to Apple several times but there is no satisfactory reply. In fact one of their service center girls sent me this email explaining the reasons behind this problem

Hi , Sir !

Greetings of the day ............

This is with regards of ongoing problem with your iMac display issue.
I have understand it from the technician who have visited your place regarding this issue.Pls correct me ,if your imac display issue is different than belows.

Problem Reported: u see Some fog/condensation forms in that middle or corner of the screen(behind the glass). computer, But after turning it ON a large spot is clearly visible. [Deepak J] Your understanding is Correct .After turning of the computer, The fog disappears in just about 20 or 30 minutes .[Deepak J] No its not correct that fog/condensation goes in 20 or 30 minutes rather it takes more than 8 to 10 hours to get disappearand nature of the problem is intermittent.

This is an environmental issue that happens with most of the iMacs here in mumbai during monsoon.it is because of humidity/moisture in the air.mostly it happens if there is a open window right behind the iMac or imac is very close to the AC .[Deepak J] My early PC which I used for more than 5 Years was also kept in the same way / environment in which iMac is Kept & I bought iMac for 4 times more than the Cost I purchased my Old PC.

Since the iMac goes Glass > Space > LCD it wouldn't be totally surprising that condensation would show up there if there is a lot of humidity and the temp variations between the outside of the glass and the inside of the glass.

The space between the glass and lcd is not air tight. The glass is just a "cover" and not affixed to the actual LCD. It's held on by some magnets but there's still air going to and from between the lcd and the section that connects to the glass. It's like when you get condensation/ie., fogged windows in a car. The temp difference the air outside the glass and the air inside the glass as well as both surface sides it's a matter of physics that a fog will appear if the conditions are optimal.

So,only few below things can help u in this case.

1.Keep the iMac On,as much u can.we can keep the system in sleep all the time with energy saver settings.we will help u to do the same .[Deepak J] I use PC for Max to Max 2 to 4 hours in a Week so are you suggesting that I keep the PC on for rest of 160 Hours
2.use of de-humidifier will might help .[Deepak J] Can you please tell me what is de-humidifier ?3.Removing the glass panel(But not advisable .)[Deepak J] I don’t want to do that
Trust me ,it happens only in rainy seasons where humidity level is very high in our city and there is no technical solution to fix this as imac is design that way .[Deepak J] This the First rainy season after I purchased iMac

Hope,the above information will help u.

Pls let me know ,if u need any more information from our side.

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Thanks & Regards,

Rupali Mandve

Admin Asst.

For
Unicorn Infosolutions Pvt. Ltd.

301, Kotia Nirman, New Link Road

Andheri (W), Mumbai - 400053
Tel: +91-22-67354000

Mobile :- 9769276811rupali@uipl.co.inwww.uipl.co.in