Sleep indicator stopped working

Hi,
I noticed recently that the sleep indicator on my mb 13" 2.0 has stopped working. I was wondering if anyone had any ideas on how I might get it working again.

I don't know if there is a script that would force this. Now that we have reset the SMC and it has not fixed the issue, I would suggest the following:
1) It is just barely possible that this issue is specific to one user account. Create a new user account and log into it. Does the issue go away?
2) It is also possible that the issue is a software problem. If the previous steps didn't fix it, I would suggest backing up your important data and then doing an [Archive and Install|http://support.apple.com/kb/HT1710] of your operating system. This is not likely to fix the issue but it is possible. It is also much less intrusive than the next suggestion.
3) [Contact Apple|http://www.apple.com/support/contact/phone_contacts.html] and arrange for a hardware repair.

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