Computer screen dying a slow death

I've noticed that my display is somewhat dimmed in two areas on the bottom of the screen when I wake the computer from sleep.
Ususally looks fine after a minute or so.
Does this mean the screen is dying?
iBook G4   Mac OS X (10.4.10)  

No, this is normal for CCFL backlit systems. It's the backlight warming up

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    Hello all.
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    I would guess that there were corrupted system files or cache files causing the problem. However, now that you've used Norton's Systemworks the odds are good that the hard drive is now more messed up than before and possibly unfixable. Norton's utilities for the Mac are incompatible with recent versions of OS X and should never be used.
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    However, DU can only repair disk and directory damage, not file damage. So you may find that the hard drive is OK, but your system still won't work. In that case you need to do an Archive and Install which will let you install a fresh copy of OS X without erasing the hard drive.
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    For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the commandline.
    When you install any new system software or updates be sure to repair the hard drive and permissions beforehand. I also recommend booting into safe mode before doing system software updates.
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