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dead pixels?? curiosity killed me

I

iznuts

n00b
Joined
Dec 11, 2003
Messages
17
Why do people accept lcd monitors with dead pixels? Thats like accepting a crt monitor with screwed up colour in a corner? I definately don't mean to start a war with this but i don't understand it at all. I'd personally feel like I'd be buying a defective monitor???
 
It's because having LCDs with dead pixels is just part of the manufacturing process for LCDs.

Even with CRTs, you sometimes get tubes that dont display color quite right or cant quite fully make the refresh rate. This is just part of the margin of error in the manufacturing process.

So, in the LCD world, the generally acceptable threshold is 8 dead pixels within (I think) a 100 pixel radius of each other.

If it exceeds this, then the monitor is considered defective.

Fortunately, I've never bought an LCD that had any, but I suppose that was just luck of the draw.
 
I have a CRT with a dead pixel. It sucks, but I have to live with it.
Well 8 dead pixels in 100 radious is a rather large ammount of dead pixels, and I would concider the monitor defective if it had half that.
 
Personally i believe that 8 dead pixels is absolutely rediculous. If my monitor had 8 dead pixels, i'd be furious. I think 1 dead pixes is liveable, although it would still bug me. I think the number of 2 dead pixels should be enough grounds for a return. Anything more then one is completely unacceptable in my mind. These things cost so much money that they should be PERFECT.
 
check the packaging on your monitor (and the policy at the store).


While I am a big fan of the Egg and other online retailers, this is one reason why I buy LCDs in the store. Most stores have a policy whereby if you open and test the LCD in the store and it has bad pixels, they'll return it on the spot (Sams Club and Office Depot come to mind for this).

Some manufacturers, such as Samsung, require that you do this.

Also, I followed up on the 8 pixels thing. This is Samsung's policy, as quoted from the manual for the SyncMaster 170s

The monitor is considered defective if it has:

More than 8 dead pixels on the LCD plane, with more than 2 appearing grouped together within a 100 pixel radius.
 
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