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redhatcode29

macrumors 6502
Original poster
Jul 21, 2014
471
53
Kuala Lumpur
Parted with some cash for 20" iMac G4, practically had to let go of a AMD xw9400 workstation and top up, to get this iMac. USD200! Nw I feel I've overpaid!

I was told by the owner that an Italian brought in the iMac to my country! Soon I'll know its origin. Seriously, this is the only 20" iMac G4 I've come across in my country. So...the thought of passing it off was &@>%#|>€ !

'Twas bundled with a wired kb and Mighty Mouse.....also with an Eyesight. Though I was informed of a defect in its screen, it did not look bad when I viewed it coz the defect is only well visible when the iMac is switched off.

It has a kind of defect in the inner part of the LCD. Have any of you guys come across such screens... Is it cure able or it needs a replacement!

Thought of just dismantling the LCD screws and give it a look.... 2nd thoughts, since I've nvr done ANYTHG of this sort on a LCD ...Further since its a very rare model in my part of the world and in the fear of ending with a disaster, I've done nothing.

I think, even with a tutorial i might screw it up! Any similar situations of an iMac g4, which any of you has come across ?
 

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that $200 is gonna be way too much if you screw it up. put a dvd in and watch it and see if it still bothers you.
 
You won't be able to fix that problem with the LCD screen. The only way to correct it is to replace the complete LCD panel.
 
What is going on with that screen? It looks like the surface plastic has melted/warped in front of a naked flame.
 
that $200 is gonna be way too much if you screw it up. put a dvd in and watch it and see if it still bothers you.

Ha ha

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You won't be able to fix that problem with the LCD screen. The only way to correct it is to replace the complete LCD panel.

Hmm...just what I was afraid of !

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What is going on with that screen? It looks like the surface plastic has melted/warped in front of a naked flame.

I have no idea, it has been such even before the previous owner had obtained it. True it does look like it has been warped.

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What is going on with that screen? It looks like the surface plastic has melted/warped in front of a naked flame.

But the warp is not on the external side of the LCD. It in in the inner part. The external part is smooth.
 
Ha ha

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Hmm...just what I was afraid of !

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I have no idea, it has been such even before the previous owner had obtained it. True it does look like it has been warped.

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But the warp is not on the external side of the LCD. It in in the inner part. The external part is smooth.

If it works then leave it alone. If it breaks then you will have to replace the entire panel.
 
This. I'm not really sure what the OPs concern is given he said the defect is not very visible when the system is on.

Yeah not so obvious when turned on. I think it is the glass panel..

This is a close up shot....the middle part of the glass is still fine...
 

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I thought the LCD was dying....but then I noticed while it was booting....the screen is lit up fine....while there seems to some dirt stuck in between the glass and lcd
 

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Hmm, never seen that before. Would hazard a guess that one of the filter layers in the panel has delaminated and perhaps moisture has got in.
 
G4 iMacs don't have a glass panel. What you see and can touch is the LCD panel itself. That complete unit is what would have to be replaced.
 
G4 iMacs don't have a glass panel. What you see and can touch is the LCD panel itself. That complete unit is what would have to be replaced.

No glass panel for this model huh! There goes my plan to take a peek into it!
I though of giving this tutorial a shot...https://www.ifixit.com/Guide/iMac+G4+17+800+MHz+EMC+1936+LCD+Replacement/6814
Now I just have to live with it.

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Looks like screen was washed with some highly corrosive liquid.

It not on the external dude, it's in the inner part.

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G4 iMacs don't have a glass panel. What you see and can touch is the LCD panel itself. That complete unit is what would have to be replaced.

Maybe I should try this https://forums.macrumors.com/threads/1813518/

It will not bother me anymore ! Unless the lcd decides to end its life !
 
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