Thanks Carlo I'll get him to give the Apple store a call.
Good point re firmware. I'll check that too. Regards Shayne Beach On Wed, Nov 30, 2011 at 12:36 PM, cm <[email protected]> wrote: > Hi Shayne, > > As far as the original receipt is concerned I believe your friend will be > OK. I have actually had a piece of hardware replaced at the Apple Store and > they didn't even ask to see the receipt. Using the serial number, their > computer records showed that the item was registered to me. I don't know if > this is standard policy or a one-off polite Apple rep., but your friend > could give the store a call and check. > > As for the black screen, I seem to remember that there was some discontent > surrounding the iMac display some years back. I don't recall the details of > the problem but I believe Apple issued a firmware fix. Does your friend > have the latest firmware? > > Cheers, > Carlo > > On 30/11/2011, at 12:12 , S Beach wrote: > > > Hi All > > > > A fiend of mine has a problem with a 27" iMac (bought early 2009). > > Occasionally the screen goes black but everything seems to keep going in > > the background (music keeps playing etc). > > If he turns it off (using the power button) it restarts OK then the > screen > > goes black again. If he turns off and leaves it for a while it starts OK > & > > doesn't go black for a while. > > I suspect it is a heat problem with either the screen itself or the > > qraphics card. I have seen some discussion on various websites (including > > the apple support forums) of heat problems with these iMacs but the > > symptoms don't seem quite the same. > > I noticed what I assume is a slotted vent hole on the back of the iMac > > (lower centre) with a bit of dust around it but as it is obscured by the > > stand I couldn't get a proper look at it. > > > > Does anyone have any experience or knowledge of: > > > > 1. iMacs showing similar symptoms and the likely cause - is this a > known > > issue > > 2. How to check for, and clean out dust > > I often have to clean dust out of various computers (including my Mac > > Pro) by blowing or vacuuming but it is best to determine where the > dust is > > built up so you draw the dust out of the build up rather than forcing > it > > further in. And of course these iMacs are not easy to get into. > > > > It is still under apple care (just) and he is hoping to make use of that > > but is not yet sure if he can find the original receipt. > > > > Regards > > > > Shayne > > -- 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>
