Resolution found.

Fedora/Redhat have run into this problem as well.

https://bugzilla.redhat.com/show_bug.cgi?id=490250

I added the following to the kopt setting in /boot/grub/menu.lst

i8042.reset i8042.nomux i8042.nopnp i8042.noloop

and ran update-grub as root (or you can use sudo) in a terminal.

Viola! laptop boots and finds keyboard/mouse trackpad consistently.

Vostro Laptops still use a PS/2 keyboard and mouse internally, even though 
they do not have external PS/2 keyboard/mouse ports.  Since everything is 
permanently
connected, I bypassed all the detection carry on in case there are bugs there.  
Someone may want 
to try each option(s) separately by themselves, and find the ones that really 
matter.


** Bug watch added: Red Hat Bugzilla #490250
   https://bugzilla.redhat.com/show_bug.cgi?id=490250

-- 
keyboard fails to work on boot (Dell Vostro 1510)
https://bugs.launchpad.net/bugs/341094
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