After updating gm mdi manager, please update the firmware simultaneously.If it prompt update the firmware, just do it. If it prompt update the JAVA, please don’t update it otherwise the GDS won’t be working. If you purchased V2020.09 GM MDI GDS2 Tech2win software Sata HDD, please directly plug it into your computer with Win7 OS, then confirm if the driver can be used, that’s oaky, it is not necessary to install by yourself.