Topaz troubleshooting guide
Symptoms
Topaz pad not being detected in the software.
’No errors sigpad just does not work’
  Note you can also run the Sigplusadjust as administrator if it does not work the first time as non-admin.
Topaz Systems Inc Troubleshooting guide.
https://topazsystems.com/software/download/usb_hsbtroubleshoot.pdf