On Saturday, 26 October 2013 02:43:37 UTC+1, J. Clarke wrote:

Contrast that to the Lenovo Thinkpads, which have icons on every screw
hole showing what the screws secure, and a mark showing how long the
screw is that goes into that hole. It's like they _want_ people to work
inside their machines.

I have bough recently a Lenovo "all in one" B540.
The back panels don't have screws and slide open to give access to HDD and memory. No screws on HDD either. I will replace the CPU at one point, mine is an i3.

DanP