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My company is planning to buy several laptops for demonstration purposes in a convention stand. Previously, we always bought laptops that have kensington slots for the typical cable locks.

Now, the laptop we are liking most is an ultrabook with no kensington slot, and we are looking for a mechanism that does not need the slot.

Please do not provide software options, what we are trying to do is to stop the theft of the hardware.


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Can you specify exactly what the laptops you're looking at are? It may be relevant. – Shinrai Feb 21 '13 at 16:54
up vote 22 down vote accepted

It would seem that Kensington has identified the lack of a lock slot on ultrabooks and the like. They have a solution:

Security Slot Adapter Kit for Ultrabook™

k lock

That they sell here: Security Slot Adapter Kit for Ultrabook™ and at the time of this post, it seems resonably priced at $12.99 US.

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I've used these before, the glue they use is pretty hardcore. Highly recomend. – MDT Guy Feb 21 '13 at 17:49
Then how shall we remove it when reselling the laptop. It's great for security, but well not really a fantastic solution. I hope industrials will come with a solution ! – Brice Jul 6 '13 at 11:58
@Brice - I would think this may be a value added option once attached and set up for resale. But the question was not about reselling the unit, it was how to secure an ultrabook with no lock in a public area. – Carl B Jul 7 '13 at 0:59
@CarlB Granted, I wanted to highlight the fact that this K-Slot adapter is almost permanent and that could be an issue. And I personally don't like this "hump". That being said I agree with you it's one of the best solution out there for securing the hardware. :) – Brice Jul 7 '13 at 17:10

Kensington does have a device that actually locks arms in place around the screens...depending on the exact laptop in question it may interfere with the visuals, though. They claim it will work on any standard 13"-17" laptop.

Laptop Locking Station

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The Op noted the focus of ultra books. At least as I read it. Just wanted to point that out. ;) – Carl B Feb 21 '13 at 17:04
@CarlB - There are 13" Ultrabooks! :) – Shinrai Feb 21 '13 at 17:14
If the adjustable bar doesn't run full length you could probably mod it for an 11.6" model with a hacksaw. – Dan Neely Feb 21 '13 at 20:45
@DanNeely - I would presume it's designed to be hard to hacksaw, for obvious reasons. – Shinrai Feb 21 '13 at 20:55

Interesting question. How about something much simpler: An movement based alarm with a small ball in contact with a level surface so that you may slide it to and fro and lift it, say 3 inches to feel the weight, all connected to a USB (individual or hub).

If you yank the device itself, it rings. If you grab the laptop, again it rings loudly. No disconnect possible without a coded entry to "safely remove the device". The alarm itself would be quite small but would pack a high decibel screech.

I just retired as a mechanical engineer! Good luck.

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Here's a more practical solution as compared to locks using the USB port or even the glue-on type. VGA port type lock looks reliable but Ultrabook only comes with a mini VGA port.

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How about a metal bar against the laptop right above the keyboard, between the keyboard and the screen, so the metal bar will hold the laptop against the surface it is on. Wouldn't this work?

EDIT Shinrai's post about a Kensington locking station is what I had in mind.

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