Please enable cookies and refresh the page. Create a Bootable USB Flash Drive for Hirens Boot CD diagnostic and recovery toolset ERD Commander replacement. Recover data, fix a damaged PC etc. 1 Make sure to connect Clarity M to your PC or Mac using USB. 2 Make sure Clarity M is in USB Disc Drive mode. SYS USB Mode. Set to Disk Drive. Got a new Windows computer Here are the top 10 software you must install to get the best out of your PC.