Thanks for that everyone, I will look further into it and report back.
Regards, Adrian adrianske...@me.com On 19/02/2012, at 9:29 PM, Ronda Brown wrote: > Hi Adrian, > > Not good news I'm afraid. This is possibly a fault in the LCD screen, this > has been a problem with the older iMacs, and unfortunately for your daughter > the extended service program ended some time back. > > Fault in the LCD screen. > <http://www.flickr.com/photos/imac_faulty_screen/> > > A Google search brings up a huge amount of people who have had this problem. > > <http://www.google.com.au/search?q=thin+red+line+on+Screen+of+21-inch+iMac%3F&ie=UTF-8&oe=UTF-8&hl=en&client=safari> > > I hope this is not the cause as it will get worse over time. > > Cheers, > Ronni > > Sent from Ronni's iPad > > On 19/02/2012, at 8:49 PM, cm <cm200...@gmail.com> wrote: > >> Hi Adrian, >> >> Most monitors have a warranty against a certain number of dead pixels within >> a certain timeframe but a thin red line does not sound like dead pixels. A >> dead pixel is usually the loss of one of the three colours of the >> red-green-blue trio (RGB) within a single pixel. The closely related cousin >> the stuck pixel is where one of these three colours stays on. A dead pixel, >> unless there is systematic damage of some sort, is an isolated point at a >> random position on your screen. >> >> There is software around to test screens and show up dead pixels, usually by >> flashing colours and black up on the screen and asking you to look for >> irregularities. A quick search turned this up but I have not tried it and do >> not endorse it in any way: >> >> http://www.macupdate.com/app/mac/7669/pixel-tester >> >> If the problem is still there when you run the above software, or similar, >> it is likely hardware related and the Apple Store would likely be interested >> in it and may repair it for free. >> >> Cheers, >> Carlo >> >> On 19/02/2012, at 20:31 , Adrian Skehan wrote: >> >>> Good evening all >>> >>> I was at my daughters place this afternoon and noticed that a thin red line >>> had appeared on her iMac screen, it is on the left side about 15mm in and >>> extends from just below centre to the bottom of the screen. I presume this >>> is a dead pixel. It is a 21" iMac about 12 or 13 months old so is probably >>> out of warranty, as usual she forgot to take up the Apple Care warranty. >>> Can anyone advise if Apple may be, even remotely, interested in this >>> problem or does she just suck it up and put up with it. >>> >>> >>> >>> >>> Regards, >>> >>> >>> Adrian >>> >>> adrianske...@me.com >>> >>> >>> >>> >>> -- The WA Macintosh User Group Mailing List -- >>> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> >>> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> >>> Settings & Unsubscribe - >>> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> >> >> -- The WA Macintosh User Group Mailing List -- >> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> >> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> >> Settings & Unsubscribe - >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
