Just a wild guess but I would suspect some failing memory in the video
card or other memory used for a video buffer. The fact that it stays
with a particular app implies to me that that app has had that piece of
memory allocated to it. If you close the app the memory is freed and
made available for reallocation which may be to a different app or to
the same one. It's possible CS4 is aggravating the situation by pushing
memory usage into areas the were little used before... or not.
You can test the main memory part of this (vs the memory on the video
card) by unplugging 2 of your 4 gigs of memory. Everything will be much
slower of course (unless you've got another 2 gigs you can swap in) but
check to see if the line goes away. If the line is still there then
swap the in and out banks around. If the line stays there no matter
which bank is in use then I think the problem is in the video card's
memory and or the circuitry controlling the video memory. If the video
memory is easily removable then try unplugging and replugging it. Maybe
it just needs a little vibratin'.
If none of that helps I'd call tech support at Apple or whomever
manufactured your video card because I'd guess it's failing.
Chuck Norcutt
Bob Whitmire wrote:
> New thing. Since upgrading to CS4, I've started to notice the
> occasional straight horizontal line across my monitor. Placement
> varies from about 1/4 of the way down to 3/4 of the way down. Seems to
> contain several colors, as though it's comprised of fired up pixels or
> somesuch. It confines itself to whatever application is open when it
> appears, that is, if I'm working in Bridge, the line is confined to
> the bridge window and does not appear if I switch to another
> application. If it shows up in Mail, it's confined to the mail window.
> As a rule it does not stretch the entire width of the open
> application. More like 3/4 of the width. If I close the application
> and reopen, it goes away. Sometimes it comes right back. For the most
> part, I'm seeing it in Bridge, though it has showed up in Mail, and, I
> think, Excel. The line does not affect editing in any way. It does not
> distort the photo, either spatially or colorwise. It's just there.
>
> My first thought was that I need more RAM. I'm told CS4 likes much
> more than I have (4gigs). But then I thought we've got serious gear
> heads and computer whiz types on the list, why not run it by them
> before I do anything expensive? The display is an Apple Cinema 24",
> 2-1/2 years old. The box is a Mac Pro Quad Core Duo running at 3.0,
> also 2-1/2 years old.
>
> --Bob Whitmire
> www.bwp33.com
>
>
>
>
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