From: Dave 

Okay, here's a funny one --  I sent this Thinkpad in for warranty service
because it died after trying to resume from swapping devices in the
Ultrabay -- going from DVD to CD/RW.

I tried putting the CD/RW drive in it again yesterday, but couldn't get the
DVD drive out, it was stuck.  Then I noticed a screw in a hole where my
other Thinkpad has no screw, and I realized -- it's a lock screw to prevent
swapping Ultrabay devices.  The repair depot put in the extra lock screw
when they re-assembled my system after replacing the motherboard.  I wonder
if it was deliberate...  ???

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