I had disconnect it on a number of different occasions and used it on different computers with out problem. Samsung M3 500GB external drive not showing in my computer! I have a Samsung M3 500GB external USB drive when I first installed it some months back in January it was working fine. Make Offer - NEW Samsung M3 500GB 2.5' USB 3.0 External Portable Hard Drive HDD FreeShipping Tell us what you think - opens in new window or tab Side Refine Panel. It then flashed 3 times and just stops doing. So basically i plugged my M3 portable into my mac at uni and the blue light came on for about 3 seconds. Samsung M3 Portable completely not working. Take your Mac to the stage with a full-screen interface optimized for live performance, flexible hardware control, and a massive collection of plug-ins and sounds that are fully compatible with Logic Pro X.
If user want to use T3 connected with a smart TV which support different file system, user need to reformat the T3 regarding to the smart TV's. Especially for smart TV, file system can be an important factor for the compatibility of the T3. Based on Samsung's internal testing, compatibility may vary according to the system environment.