Originally Posted by sujitrjadhav
Well, we have removed the Dell_laptop module many, many, times in the Networking and Wireless forum and no one has ever returned with any problems. It you see some negative results you can simply put it back in, but I don't think you will want too! It appears to be some part of the Dell_wmi module which decodes special function keys. Anyway, to make it permanent,
Before you press Enter, proofread carefully. The double arrows append the line to any other lines currently in the file.
echo "blacklist dell-laptop" >> /etc/modprobe.d/blacklist.conf
dell-laptop is now blacklisted and will not reload on boot, unless, of course, you edit /etc/modprobe.d/blacklist.conf to remove the blacklist line.