IBook doesn't sleep when I close it.

Well, I almost know the reason. I took my iBook to an Apple Center to have my combo replaced. Since it came back, it doesn't go to sleep when I close it. So, it's obvious for me that the guy over there didn't re-assemble my machine properly.
But before I travel to other city again to have this fixed, I want to try software solutions first. Who knows it was a coincidence.
Thanks for any help.
JP

Thanks John.
I'm really sad hearing that because as long as I understood, the guy there will have to open my iBook again to fix just that.
Sincerely, I didn't like the service from the Apple Center. I don't know which tool he used but, the guy who opened my machine dented the lower case while removing it.
The owner of the store tried to tell me that it is a difficult machine to open, but i don't think it's impossible to do it without causing damages to it.
Well, anyway. I'll think if it's worth it.
Thanks again.
JP

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http://support.apple.com/kb/HT3382
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MacBook doesn't sleep when I close the Lid.

Hi Folks,
Im new in this Mac World, finally i got my first Mac. A MacBook 3,1 White with Leopard installed.
I think that there's a problem with it. When I close de lid the Mac doesn't enter in the sleep mode. If it is in the Battery it got in sleep mode after 5-6 minutes, because its the time configured in the System Preferences.
If the power cord is pluged it doesn't got in the sleep mode, never. The monitor shutdowns but the light doesn't blink and when I open the lid I can see that the system doesn't have got in the sleep mode.
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The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Note: If FileVault is enabled under Mac OS X 10.7 or later, or if a firmware password is set, you can’t boot in safe mode.
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Does not sleep when I close the lid...

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IBook will not sleep when lid closed

Hi,
I recently had my Hard Drive replaced, the old one died. It was all covered by AppleCare and the repairs done at a Apple Authorised Outlet. After installing everything again I just found out that my iBook will not sleep when the lid is closed. The screen is still on and bright. Any ideas why? Is this dangerous? Any quick fixes?
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Jack

Jack,
Welcome to Apple Discussions.
You need to give the Apple Authorized Repair center a call back and let them know what's going on. I've seen this before here on the forums, and it was attributed to a sleep magnet not being put back in. It's most likely this. Apparently, putting this magnet back in can be easily overlooked.
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Not waking up after sleep when i close the lid of my mac book pro.

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Starwin,
Try an SMC reset:
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IBook doesn't sleep when I close it.

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