> -----Original Message----- > From: iMac List [mailto:[EMAIL PROTECTED] Behalf Of > [EMAIL PROTECTED] > Sent: Sunday, August 10, 2003 7:11 PM > To: iMac List > Subject: Is my Display going to break? > > > Dear Listers, > I have a Blueberry iMac running 10.2.6. I noticed today that the > dimensions > of my display change when I open and close windows. Allow me to describe: > When there are no windows open and I start an application or open a folder > etc. the physical size of the illuminated area on the monitor increases > by a few pixels at each edge. Furthermore, there are a few 'ripples' of > a darker colour running along the top left-hand edge. Opening more windows > seems to have little effect. In this case, the background is mid coloured > (a picture of poppies in a cornfield) and the windows are mostly white. > Should I be worried and start saving for a FP iMac (or a new monitor) or > is this no big deal? > > Kind Regards, > Tim > This is quite a common fault in CRT's as they age, it is caused by the capacitors in the power regulation circuit drying out, it is repairable if it is bothering you (it will probably get worse as the iMac gets older). I would suggest having ALL the electrolytic capacitors in the analogue and power sections replaced with 105-degree rated, low ESR ones, as they are not expensive, and it is cheaper to do all of them at once than have to strip the unit a second time because another one is failing. Ben.
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