Fortunately it's not a polarity issue. Turns out it's a voltage issue. Here is what I heard back from G-Tech:
"Thank you for contacting G-Technology Technical Support. The G-Drive USB-C drive does use a power adapter that is 19volt 3.42amps, which is a lot stronger than majority of our other drives adapters. Majority of our G-Drive and G-RAID devices use some form of 12volt power adapters. So those adapters would not be enough to properly power the G-Drive USB-C."
This certainly explains it. Surprising that the enclosure lights up like normal and even registers with the G-Tech monitor utility given I was feeding it 12 volts not 19 volts.
---In Avid-L2@yahoogroups.com, <kahelia@...> wrote :
Voltage and current (and polarity of the plug). Check online what your Gdrive needs, always use the same voltage and polarity, and the same or more current (amp).
Using less voltage or wrong polarity will ruin the drive. Using too little current will ruin the power supply, and might make your disk visible but unmountable, so my guess is your trying a power supply with too low amp rating. If it says 12v 2A, don't try a 12v 1A adapter.
K
I've seen various drives and drive enclosures over the years that are particular about the power supply. I've had identical drive enclosures that certain drives will only work with one of the power supplies when I have several identical power supplies. I have always assumed this was because a certain drive need just a bit more umph or current/voltage to spin up.Today I have a GDrive USB C and it will only mount with the power supply it came with. I have several power supplies that work with other Graid up to 20TB enclosures but when I use them on this GDrive it lights up but wont mount on the desktop of my mid 2012 macpro OS 10.12.6. The kicker is I have the Graid utility that detects the presence of Graid drives. I somehow installed it a while back and whenever I spin up a Graid etc... the to p right of the GUI shows a dialogue of what mounted. The odd thing is when I use anything but the power supply that came with the GDrive the Graid Utility senses the drive is there and shows the dialogue box but the drive never mounts and it is not visible in Disk Utility.I'm wondering if the other power supplies are enough to fire up the hardware in the enclosure but not get the drive spinning. I'm just guessing out loud but it was just weird that the Graid utility sees that there is an enclosure powered up but no drive mounts.Anybody have any idea what might be goingon?John Moore Barking Trout Productions Studio City, CA bigfish@...
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