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How can I boot safari only in Mac OSX Lion Chrome OS style? I heard that there was a key that one had to hold at startup, which one is it?

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It's not yet clear how or whether that feature from beta made the final cut. The recovery console isn't really chrome os style since although it has a browser, it can easily erase the mac without a password (or reset the admin password) - not what you would want to hand over to a friend. – bmike Jul 21 '11 at 2:43
Have a look at this thread:… Here is a user who has this feature turned on on his machine, but wants to disable it. I wonder if there is a hidden setting. – dan8394 Aug 3 '11 at 10:09
Yes, or maybe that using was using the developer version? – Odinulf Aug 5 '11 at 18:04
up vote 2 down vote accepted

I finally found the answer to this. There are two types of Guest User mode in Lion:

a) Safari-only mode: This is the default setting if no Guest account is enabled. Therefore to turn this on, go to System Preferences / Users and Groups / Guest User, then uncheck "Allow guests to log in to this account".

  • Note: Under "Login Options", "Display login window as:" must be set to "List of Users" or this will not work.

b) Snow Leopard-like Guest Account - a full guest account as in previous versions of OS X. This mode is enabled when "Allow guests to log in to this account" is checked.

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It appears the Safari-only mode was not included in the retail build of OS X Lion.

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Not true! See my answer for a resolution to this. – dan8394 Nov 12 '11 at 1:19

Command-R will boot into the recovery partition. Once booted you can launch Safari as described on the feature page.

The Recovery HD includes the Safari web browser so you can check your email or 
browse the Apple Support site.


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That's not what the question is asking. Odinulf is asking about this – Nathan Greenstein Jul 21 '11 at 2:08
@Nathan Thanks. – Odinulf Jul 21 '11 at 2:09
@Nathan ... did you just read Odinulf's mind or is Odinulf your sock puppet? Putting tin foil hat on Odinulf asked which key to hold at start up, he didn't ask about a restart in Safari mode button... – Steve Moser Jul 21 '11 at 2:20
@steve haha, just a mind read I guess. Ah, recovery mode contains Safari mode? That's news to me, thanks! – Nathan Greenstein Jul 21 '11 at 2:25
@Nathan, impressive. Is anyone else seeing the quoted text cutoff? Any ideas as to why it is happening? – Steve Moser Jul 21 '11 at 2:56

Not yet. It is a part of Find My Mac, which is a part of iCloud. Once Find My Mac is enabled & a user account is logged in, but at the login screen, you have the option to boot to Safari-Only mode. Once iCloud is released, it should be available (unless, of course, Apple decides to remove it), but not something you'd really want to do.

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Noah has it right, it is currently part of iCloud, and unless you have downloaded and installed the iCloud beta software, and signed in with an iCloud ID, AND turned on back to my mac in the preferences area for iCloud, it will not appear as an option.

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