I got a Dell Mini 1011 running Snow Leopard. All Working fine. After a few days I ran the software upgrade from OSX and it installed 9 updates, one of them was a 1gb upgrade to OSX. Now it will not boot at all. Get the Dell screen then tries to load OSX then back to the DELL screen. Just loops. Says something about typing in ForceWake-y but this only comes back with invalid signature then starts the reboot all over again.

Am new to Dell Mini's and would really appreciate any help you can provide.
Thanks very Much