Try the following Dell-custom l-b-m:
http://linux.dell.com/files/ubuntu/linux-backports-modules-2.6.22-14-generic_2.6.22-14.50_i386.deb
Try the following Dell-custom l-b-m:
http:// linux.dell. com/files/ ubuntu/ linux-backports -modules- 2.6.22- 14-generic_ 2.6.22- 14.50_i386. deb