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Re: External screen





2011/3/31 Chris Brennan <xaero@xaerolimit.net>
On Thu, Mar 31, 2011 at 10:33 AM, Klistvud <quotations@aliceadsl.fr> wrote:
Dne, 31. 03. 2011 16:17:57 je Johann Spies napisal(a):

I have a Dell Latitute E6410 and have a mixture of Testing and Sid on it.
Recently I got an external Dell flatscreen.

It happened several times now that when I connect the screen to my computer
while it is running, it freezes and I have to push the power button two
switch if off.

You actually connect the screen *while* the computer is running?
Unmless some modern Plug'n'Pray has been invented while I've been sleeping, the last I remember, by doing that you could fry your monitor, or your computer, or both.
I guess that's still valid -- for the VGA port/connector at least?

<snip>

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Klistvud                             http://bufferoverflow.tiddlyspot.com
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I have an old NEC 17in monitor that I've plugged in to running systems repeatedly, for years with no ill effects and in all my years of bring a geekmonkey, I've never actually heard of that, in fact I (and several friends) was(/were) expressly taught that this behavior is safe and acceptable (It would be no different from a KVM switching one device off to activate another (by device I mean a monitor.) Aside from some bazaar electrical issue with improperly grounded and protected devices that should be perfectly safe as your not providing power of  VGA/DVI/HDMI, so the electrical output would be easily shielded to prevent such things .... Just my $0.02 (I am not an electrician, just basing this on ~20 yrs of experience.)

-- 
Did you know...
If you play a Windows 2000 CD backwards, you hear satanic messages,
but what's worse is when you play it forward....
...it installs Windows 2000
-- Alfred Perlstein on chat at freebsd.org

This is not the same as switching with a KVM. With KVM; it's as if you power on your computer. So the monitor is already connected to your computer, but the computer is powered of. Then you power on your computer and the monitor detects the video signal. This is what happens when you switch the KVM.

Plugging and unplugging the screen is not the same as KVM, and yes; you could fry both ends. You should use a docking station instead.

Cheers!

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