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Troubleshooting Guide (Mac)
For Mac, you can check the bridge version that appears on the taskbar. If the older version of the D'CENT bridge is running already, you will need to "Quit" the program and install the newest version. Make sure to check the version again after installing the latest version.
First, disconnect your D’CENT wallet from your computer.
Press and hold both the "Down button" + "Power button" for few seconds to force the device to power off. If your device is "brick"ed during the firmware update, you can still access the bootloader mode by pressing and holding both "OK button" + "Power button" for 10 seconds.
From the bootloader mode, you can try updating the firmware to recover your Biometric Wallet.
In rare cases, Mac OS system fails to recognize the D’CENT wallet even though it was recognized before. This issue can be solved by checking the following in the system's settings.
1) Go to About This Mac --> Overview --> System Report Look under Hardware --> USB --> See if D'CENT is shown as in the picture below
2) Go to System Preferences --> Security & Privacy Check to see that System Events box is ticked on for the D'CENT Bridge