On Nov 4, 2010, at 11:39 AM, LuKreme wrote:

> I know I can run a MacBook or MacBookPro with an external monitor and the lid 
> closed, but what is not clear to me is if I can continue to run it with the 
> lid closed if I disconnect the external monitor.
> 
> I have an old MacBook with a broken screen (the hard drive is also dead). 
> However, the machine boot perfectly fine off the DVD (in fact, I cannot get 
> the DVD out despite various non-mechanical attempts), so I am planning on 
> sticking a drive in it, booting it up closed, disconnecting the external 
> monitor (and probably the keyboard and mouse) and using it as a spare server 
> machine, and even occasionally using it with a screen attached just as an 
> extra machine. I've also considered mounting it under a cabinet in the 
> kitchen with a little LCD (if I can FIND one anymore) and streaming video to 
> it.
> 
> But before I decide exactly what to do with it, I have to know if 
> disconnecting the external display will then turn on the internal display and 
> heat up the machine.

I'm pretty sure that's the one thing it WON'T do.  It will either continue to 
run headless, or it will revert into sleep mode.  Don't know which, as I don't 
have a monitor to play with right now.

> Also, is there a better way to provide power to the laptop than just 
> permanently (or semi-permanently at least) leaving a mag-safe adapter on it?
> 
> And, one last question, for the 13" MacBook (white plastic) I only need a 45W 
> adapter, right? They all seem to be 60 or 85W now…

No, the original MacBook adapter is 60W. 

-- 
  Macs R We -- Personal Macintosh Service and Support
    in the Wickenburg and far Northwest Valley Areas.
                            http://macsrwe.com

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