Imac boots up in verbose mode after been left overnight!

Hello
I have recently bought a used Imac 2010 model and have upgraded to Mountain Lion all was fine for a few days.
Know if I leave my computer overnight and reboot it comes on in text mode which I have to exit to get to the GUI.
Also when shutting down I ge text in the top left corner.
Any ideas please?
Many thanks John.

Restart it with the Option, Command, P, and R keys held down, and release them upon the second chime.
(68389)

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Last week I've install Mac OS X Mountain Lion and then after the installation finish my IMAC start up in verbose mode. How can I turn off this mode and start my IMAC normally. I've try to key in the code "sudo nvram boot-args=" in terminal also.

Last week I've install Mac OS X Mountain Lion and then after the installation finish my IMAC start up in verbose mode. How can I turn off this mode and start my IMAC normally. I've try to key in the code "sudo nvram boot-args=" in terminal also.
Thank you for all of your answer.

I've seen it mentioned on here that a PRAM reset may solve it:
Reset PRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P and R.
You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

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Try resetting PRAM http://support.apple.com/kb/HT1379

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Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. Then select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now shutdown the computer for a couple of minutes and then restart normally.
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Hi everyone,
I really hope someone can help me out here!
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See if you can boot into the Leopard DVD. Insert DVD, reboot and hold down "C" key.
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Message was edited by: nerowolfe

Can't turn off Verbose Mode after running disk defrag in minimal environment using Drive Genius 3

New to posting on here. I'm using a
Mid-2009 15in MacBook Pro
2.8 GHz Intel Core 2 Duo
4 GB memory
After running Disk Defrag in a minimal environment using Drive Genius 3 my MacBook Pro only starts up in Verbose Mode.
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Using
sudo nvram –p
in terminal shows that there is no " v" after " boot-args "
Using
sudo nvram boot-args=
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I'm having the same issue but the solution suggested by prosoft doesn't work because that file des not exist.
Prosoft was able to help me.
First, FileVault is not reccomended and they are adding a FAQ to address that. Next, they said to trash this file:
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Hi,
I want to always boot up OS X Mavericks (10.9.2) in verbose mode (debug mode) as I pressed Cmd+V everytime.
I remember an old command which I used on Snow Leopard for doing this:
« sudo nvram boot-args="-v" »
but I don't know if it's still valid on Mavericks!!
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Message was edited by: Tyrexionibus

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warrick wrote:
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Kim Zhou
TechNet Community Support

Imac boots up in verbose mode after been left overnight!

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