I kept accidently rebooting 15" MBP Retina due to its power button on the keyboard.

[Ant]

Hello.

I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

Thank you in advance. :)

[Lewis]

Post by Ant
Hello.
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

There are several comand key combos to do various things (turn off the
screen, lock the screen, etc).

You might try this:

Open terminal
past in the following

defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool no

Might help

[Ant]

Post by Lewis

Post by Ant
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

There are several comand key combos to do various things (turn off the
screen, lock the screen, etc).
Open terminal
past in the following
defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool no

Sleep? Isn't it a reboot? Mine reboots.
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Post by Ant

Post by Lewis

Post by Ant
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

There are several comand key combos to do various things (turn off the
screen, lock the screen, etc).
Open terminal
past in the following
defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool no

Sleep? Isn't it a reboot? Mine reboots.

It's because of the modifier keys you're holding down at the time you
hit the power button.

<https://support.apple.com/en-us/HT201236>

[Lewis]

Post by Ant

Post by Lewis

Post by Ant
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

There are several comand key combos to do various things (turn off the
screen, lock the screen, etc).
Open terminal
past in the following
defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool no

Sleep? Isn't it a reboot? Mine reboots.

Like I said, it might help since it changes the timing on the power
button. It might not.

[David Empson]

Post by Ant
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

Does the Lenovo have its Delete key in the top right corner of its
keyboard? If so, I can understand muscle memory leading you into this
error.

On a desktop PC, the Delete key involved with Control-Alt-Delete is in a
different position, so it would be quite a different gesture.

The "delete" key on the Mac's main keyboard is not the same as the PC's
"Delete" key. They delete in opposite directions: Mac is backward
delete, PC is forward delete. I've never mixed the two up despite using
both platforms regularly. I'm also used to Control-Command-Power (or
equivalent) restarting a Mac (or the equivalent Control-Apple-Reset on
the Apple II before it), so I don't expect that combination to have
anything to do with logging in.

It seems an utterly stupid design decision for Microsoft to reuse what
was originally a "reboot the computer" keyboard combination (on MS-DOS)
as "login". (I understand the technical reason - that combination causes
the BIOS to generate a special interrupt, so there is less scope for
malicious software to intercept it.)

[Ant]

Post by David Empson

Post by Ant
I have been using a Lenovo Thinkpad for a couple months and having to
press ctrl+alt+del keys to login into its Windows 7 so many times as a
habit. Ever since I got a 15" MacBook Pro (Retina; early 2013), I
accidently rebooted it with its control+command+power keys on the
keyboard. Apple used to have its power button away from the keyboard. I
had to tape over this power key to remind myself not do the magic
three/3 keys on a Mac to login. Argh. Has anyone had that problem or
just me? Also, I didn't know you could do a force reboot like that on a
Mac too.

Does the Lenovo have its Delete key in the top right corner of its
keyboard? If so, I can understand muscle memory leading you into this
error.

Yep! Hence why I kept doing it on my new work's MBP! I currently have a
masking tape over MBP's power button with a big warning text. Ha. I
almost repeated them three keys at Mac OS X's login screen. :O
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of accident sometimes collects in a moment." --Friedrich von Schiller
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