Re: An iMac Screen Problem …..

Keith Clarke keith.clarke at clarkeandclarke.co.uk
Tue Jun 12 11:49:15 EDT 2012


...you haven't accidentally done a Control + Mouse scroll-up and just zoomed the display? Easily solved by Control + Scroll-down?
Best,
Keith..

On 12 Jun 2012, at 16:43, Mike Bonner wrote:

> Since you mentioned a second display, you might try a couple things.
> Disconnect the second display long enough so that your mac has to
> re-configure its settings. Might force it to reset the imac screen.
> 
> Then plug the external back in and wait for it to re-config things again.
> 
> Also might simply see if you can force the old screen to a different res,
> wait a few seconds then set it back.
> 
> Without a mac I can't experiment, but.. Is it possible there is a virtual
> res setting? (meaning a desktop bigger than the resolution of the display)
> on the mac?  I've seen such setups where you can scroll around a larger
> area than is currently being shown.
> 
> There can also be quirks as far as how dual display is set up, various
> modes (stretch, mirror etc) where if your external monitor is a diff res
> than the native and the things go wonky, the main screen can display things
> based on the settings of the 2nd monitor (so if the 2nd is higher res,
> things go weird and the native displays things positionally so that some
> things leave the screen)
> 
> There is of course the other option, hardware failure.  Could be a popped
> capacitor or who knows (not even close to my area of expertise)
> 
> Just read BVGs response, yep, same type of theory.
> 
> On Tue, Jun 12, 2012 at 9:31 AM, Francis Nugent Dixon <effendi at wanadoo.fr>wrote:
> 
>> Hi from "Here",
>> 
>> This is ever-so-slightly a non LiveCode problem,
>> but I know that a lot of you guys have Macs, so
>> here we go :
>> 
>> I have a two year old iMac 20 inch, flawless since
>> I bought it. Today, my screen suddenly went haywire,
>> as if I had changed screen resolution (which I didn't).
>> 
>> 1 - I can no longer see Dock on the base of the screen
>> 2 - The display flows over into my second monitor
>> 3 - Everything on the screen is bigger (icons, etc)
>> 
>> Now on previous monitors, we had controls to solve
>> display problems, but on an iMac there are none.
>> 
>> Screen resolution has remained unchanged : 1680 x 1050.
>> 
>> Has anybody had any problems like this, and has a
>> solution, or is my iMac dying ?
>> 
>> - Francis
>> 
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