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Suddenly, Home, Back, Menu, Search buttons are not working. No amount of rebooting or taking out the battery work.

I saw somewhere that clearing the Dalvik cache might work, but I got as far as getting adb running, only to discover I need root access to clear the Dalvik cache.

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What device are you using? Could be relevant, I suppose. –  eldarerathis Dec 9 '11 at 14:21
    
Samsung Galaxy with Spring –  JoelFan Dec 11 '11 at 17:19
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1 Answer

This means the provisioning (first run) got somehow interrupted.

To fix this, run the following command from a root terminal or from adb shell:

sqlite3 /data/data/com.android.providers.settings/databases/settings.db "INSERT INTO secure (name,value) VALUES ('device_provisioned','1');"

and then reboot.

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He doesn't have root. –  Richard Borcsik Jul 18 '12 at 7:42
    
Ohh! Also, it's not a fresh installation, so what could possibly screw them up? –  Ilya Jul 18 '12 at 11:39
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