If anyone is willing to try this (I haven't) then please tell us if it works. So, if you have a 7 series elitebook/probook Mazzif's probook pwner won't work. However, if your pc is under warranty, HP will reset it for you. If not, your usually SOL. This might or might not work - I have no clue, please post successes. Download this tool: (NbDmiFit2.09) forums.mydigitallife.net/threa....ds/9055-SLP-Marker-File-Update-Utility?..... p=131386&viewfull=1#post131386 (can't post links yet, remove dots and spaces) Reprogram the P/N and the S/N (with in-warranty SN's from eBay or the people that post their SN's on this forum without asking for help from HP) and reset the UUID using the menus. So yeah, please try it out (only if your PC is out of warranty.