sounds like a faulty disc rom.... also make sure it's not a cd rom but a dvd rom as i think windows is a dvd not a cd as for the thumbdrive not showing make sure you have legacy boot on in bios.... it actually states it will not boot from usb if option is off.
pmVersion=0 is usually needed if your using sleepenabler and nullcpu kexts
mach_kernel you can define in in the org.chameleon.Boot.plist, it might already be definrd so just try booting without it and see
you could never go wrong with a backup.... if you drive is big enough you could partition it and make the clone usable as another install on the same hdd.. good when you need to get back
only thing i could think of is if you are saying that my hack is installed properly then edp is not in the correct place and it's looking at a different root point. my 2 cents but ask leon.
are you sure you completely replaced the extra folder then added the boot pack? not just merged the 2 folders? also did you run my fix after doing that? it looks like fakesmc is having conflicts.... that usually happens when you use edp fakesmc plugins and myhack fakesmc. there not compatible yet
well i guess for the usb one see if the manufacturer has a osx installer? and as for the laptop if it's centrino then your wifi is intel and not supported in that case you need to buy one that works in osx. like a broadcom card
well if you ever decide that the d630 will be your main machine and still have the d620 high-res screen, the lids/screens are interchangeable but you need to also swap the ribbon. cheers.