When I shut my lid the backlight goes off like it is supposed to, but comes back on after a while. It never used to do this, how can I fix it?

This problem is a recent one (only has happened in the past 2-3 weeks). When I shut the lid it used to immediately sleep (the power light began to do its fade in and out, and the backlight turned off), but now when I close the lid, the power light stays on, the backlight goes off for a few seconds before coming on again (not sleeping properly?). Then the backlight will turn itself off again and the computer sleeps like it is supposed to. Is something wrong here and how can I fix it?
Thanks

I think its the same in 10.5 as in 10.6 (the example below). Do System Preferences > Keyboard. Looks like this:
UNCHECK the box that reads, "Use all F1, F2, etc, keys as standard function keys," or hold the Fn key to use F11 and F12 for volume control. It looks like you have to own an Apple aluminum keyboard to get a function key on a desktop computer.

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Try a manual install following directions in link below.
Basic troubleshooting steps.
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I shot video on a Panasonic P2 and I'm trying to import the MXF files to Final Cut Pro but when I try to import, the only thing that imports is a blurry image of each clip. There's no audio and no video...how can I import MXF files into Final Cut Pro?

at the end, you say "import preferences", which program are you describing?
So im safer using footage that is remotely being pulled from iphoto...
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If only one song is doing that, that suggests the track is damaged.
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Downloading past purchases from the App Store, iBookstore, and iTunes Store
Otherwise, I'd report the problem to the iTunes Store.
Log in to the Store. Click on "Account" in your Quick Links. When you're in your Account information screen, go down to Purchase History and click "See all".
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When I updated my MAC I lost all my movies from iTunes. They are still on my hard drive but will not reappear after I reset my preference in advance section. How do I fix it?

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If they are still on your Mac's drive then you should be able to add them back into iTunes via File > Add To Library

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I think I fixed the apps, though.
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My music on the iPod touch 4g isn't sorted out by little sections anymore. For example songs with the letter A and then there will be a marker for all A lettered songs, but my ipod does not do that to all of my music. How can i fix this?

My music on itunes doesn't have the markers anymore, how can i fix this?
So my songs should be listed like this:
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KannaZuki No Miko
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The reason the alphabetical sections aren't showing is because you don't have enough songs. In order for them to show, you have to have a certain number of songs. ( I think it's 40 ).

I want to use the internet on my ipone but it says that i am not subscribed to a mobile dater service how can i fix this

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Subscribe to a mobile data service.
Call your provider and make sure you have a data package.

When I shut my lid the my mac doesn't go into sleep

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Have a look there...
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Welcome to the Apple Support Communities
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Close all open apps by double-tapping the home button, then swiping up and off the screen with the app window (not the smaller icon).
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Connect the iPod to your computer and look at the storage used by the various categories as shown in the colored bargarph in iTunes.
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When I shut my lid the backlight goes off like it is supposed to, but comes back on after a while. It never used to do this, how can I fix it?

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