To update the firmware with no Surface connected:

1. Download the latest firmware and save the .zip file.
2. Remove any previous dLive firmware from your hard drive. To do this, look for a AllenHeath-dLive folder and delete the existing Firmware folder and also the Firmware.md5 file. Do not delete other files or folders.
3. Extract the .zip file to a directory on your hard drive. Do not change the folder name or browse inside the Firmware folder as doing this may cause firmware corruption. Attempting to navigate or open files within this directory may cause your Operating System to leave behind small temporary system files which can invalidate your firmware.
4. Open a web browser and type the IP address of the MixRack into the address bar (Default: 192.168.1.70)
5. Select Choose File
6. Select the location where you extracted the firmware and navigate to: AllenHeath-dLiveFirmwareTLD-MixRackFirmwa re
7. Select Firmware.tar.xz and press Open
8. Select Update
9. Wait for the MixRack to update. Do not interrupt this process. Failure to complete the transfer may result in firmware corruption. Make sure the mains power and connecting cables are reliable and that the system will not be disturbed or switched off during the update.
10. When the firmware has been successfully installed, ...