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Is it safe to hot-plug a DVI cable?

I was just wondering, and couldn't find relevant documentation, when attaching external display to (macbook air in my case, but should be same for all laptops?) laptop via DVI or VGA should computer be turned off? and turn on once monitor is attached? or is it safe to hotplug it when laptop is running?

if hotplug is ok, should I have ext monitor turned off, and turn it on once plug is in?

any thoughts on this?

or am I just thinking to much about these things? :)

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marked as duplicate by Ƭᴇcʜιᴇ007, slhck, Sandro Dzneladze, Nifle, Tom Wijsman Jul 12 '12 at 20:00

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
Just don't bother its all depend on you how you want to do it? You can keep the display on while attach to external monitor its not harmful in any way. –  avirk Jun 24 '12 at 19:13
2  
Duplicate of: Is VGA port hot-pluggable? and Is it safe to hot-plug a DVI cable? and from earlier today (just because ;) ): Is HDMI hot pluggable? –  Ƭᴇcʜιᴇ007 Jun 24 '12 at 19:55
    
:) yes I have noticed those in the sidebar... –  Sandro Dzneladze Jun 27 '12 at 9:13

1 Answer 1

up vote 0 down vote accepted

Yes.
You can safely plug in or plug out external display while both laptop and display are turned on.

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