Added a 2nd primary partition, still the same weird behavior.
sudo fdisk -l /dev/sdb
[sudo] password for lvu:
Disk /dev/sdb: 57.8 GiB, 62087233536 bytes, 121264128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xefda3cf9
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 119566335 119564288 57G b W95 FAT32
/dev/sdb2 119566336 121264127 1697792 829M b W95 FAT32
Topic: Easy2Boot
Date 19/11/2016
By Long Vu
Subject Re: Re: Re: Re: Usb drive does not boot anymore
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