Always boot Mac OS X in Verbose Mode
March 25th, 2007 - Mac OS X, Tips & Tricks
Booting Mac OS X is attractive and all, but some users would prefer to see what’s going on behind the scenes. Verbose mode shows you what is really happening during system startup, and is great for troubleshooting. Typically if you wanted to boot in verbose mode you would hit Command-V during startup, which brings up the familiar white on black console. If you’d prefer to always see the system messages on boot, you can adjust the firmware from the Terminal with the nvram command.
To turn on Verbose booting, at the Terminal type the following:
sudo nvram boot-args="-v"
Disabling Verbose booting is just as easy:
sudo nvram boot-args=
If you’re curious what the current firmware nvram settings are, type the following:
nvram -p
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Comments:
Comments: 12
Comment from hmills
Time: March 26, 2007, 2:29 pm
I would rather just hit command-v when necessary, I prefer the bells & whistles of a nice spunky graphic splash to some scrolling greek text
Comment from anon
Time: March 29, 2007, 7:57 pm
For those who want to exercise geekdom without satiating their true inner geek, you can do this and a lot of other stuff using a gui util like OnyX. But this is, of course, “funner.”
Pingback from Always Boot in Verbose Mode - Little Blue Penguin - Andrew’s Technology Paradise
Time: August 27, 2007, 3:15 pm
[...] (Taken from an OSXDaily article.) [...]
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Time: September 17, 2007, 6:16 am
[...] Want to always start in Verbose mode? Check out this article [...]
Pingback from napyfab:blog» Blog Archive » links for 2007-12-10
Time: December 10, 2007, 4:23 pm
[...] Always boot Mac OS X in Verbose Mode - OS X Daily (tags: mac boot verbose osx computer howto bash apple) [...]
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Time: March 10, 2008, 6:55 am
[...] Zdroj: OSXDaily [...]
Comment from orgon
Time: April 8, 2008, 3:38 pm
thanks a lot
Comment from gp
Time: March 1, 2009, 3:27 pm
Do you know how to disable the verbose mode definetely? I have activated it on a mb late 2008, and now I cannot disable it anymore… how can I do that?
thanks
Kind Regards
gp
Comment from george beard
Time: March 7, 2009, 12:53 am
hi. i have a macbook laptop 2006 13-inch screen……. and i lost my login password plus i lost my startup disc to…. it is anyone there can probably know what to do please help me i do not what to do thank you very much
Comment from lol
Time: March 17, 2009, 10:50 am
A statistic:
Only 1 in 10 dumb americans can spell “definItely” correctly.
Comment from veonexus
Time: March 25, 2009, 12:31 pm
When correcting others’ grammatical errors, please be sure that your response is correct. Americans is a proper noun so it should be capitalized.
Comment from wiltj
Time: April 6, 2009, 8:12 pm
could i use this command to reset the PRAM from first boot, as i understand it, setting something like
sudo nvram boot-args=”-p -r”
should reset the PRAM, and then would allow the system to boot normally( as the command would wipe its self out)
why i ask?
my mini no longer lets me reset PRAM from either a wired, or a wireless keyboard.(target disk mode works, option boot wont)
but all keys work fine once the OS is booted. 
any help please!
-w
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March 25th, 2007
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