Fix MacOSX boot failure

Target: OSX 10.5.6 on NC10
Symptom: Boot failure after install extension: IO80211Family.kext
** This extension is a WIFI driver but it is not suitable for NC10
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FIX LOG:
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- Boot the OS, Press F8 and use boot option "-v -s"
- In the terminal mode, enter "/sbin/fsck -fy" to check the disk
- Enter:
# /sbin/mount -uw / (mount the hard drive in read+write mod)
# cd /System/Library/Extensions
# ls -t|more (check the latest installed package)
# rm -Rf IO80211Family.kext
# exit (To go back GUI mode)

- Fixed the problem.