Thats strange what you said about it only seeing 1 drive as 8GB. Mine sees 2.
On Garmin Express, when it tells you there are updates available, can you see 'view details' then it may bring you to another page where you can optionally install around 3 different items?
Try doing that, let it update, disconnect the device and turn it off by holding the power and then bring to your car and power it on inside the car (with ignition on) and see if it recognizes an update on the device
On Garmin Express, when it tells you there are updates available, can you see 'view details' then it may bring you to another page where you can optionally install around 3 different items?
Try doing that, let it update, disconnect the device and turn it off by holding the power and then bring to your car and power it on inside the car (with ignition on) and see if it recognizes an update on the device