There is a big problem with the screen-hinge-thingy breaking on the Aero. 
This little unit is also known as the clutch to Aero people in the know. 
There is now a clever way to avoid this.
<p>
Read on, noble Aero user:
<p>

<pre>

Date: Thu, 9 May 1996 11:43:31 +0800 (WST)
From: Denis Cheong <dcheong@rand.gp3.ecel.uwa.edu.au>
X-Sender: dcheong@rand
To: Gary H <garyh@sco.COM>
cc: barrette@blue.weeg.uiowa.edu, aero@cs.utk.edu
Subject: Re: Reinforcing the clutch with washers (was Re: Spare parts?)

On Wed, 8 May 1996, Gary H wrote:

[Snip]

> Should the washer go between the head of the screw and the outer case?
> Also, which of the two screws? Top or bottom? I open the aero to put my
> 810meg HD in it but can't remember the details of that area inside the
> aero.

It should go between the bar of the clutch and the head of the screw.  
The bottom hole (the one closest to the keyboard with the screen open) is 
the one where the clutch always breaks, so I would suggest you put it on 
that one.  There is a sound physics reason for this, which I was going to 
try to explain, but my physics is rather weak so after writing it all out 
I decided it would only confuse everybody.


------------------------------------------------------------------------------
  Denis Cheong                                   |        `Today I am 
  dcheong@student.ecel.uwa.edu.au                |     a small blue thing
  zylantha@uniwa.uwa.edu.au                      |        Like a marble
                                                 |          or an eye'
  University of Western Australia                |
  Nedlands, Western Australia         Team-OS/2! |       - Suzanne Vega -
------------------------------------------------------------------------------


</pre>