karter59

Just saw you post and I replied with a PM. Roger

PM sent. Thanks, Roger

Not sure how you created your USB stick but I had a similar problem a while back. When I first got into unRaid, I was using an old MB that had an Athlon 3200 processor and I created the USB stick with just a format and running the syslinux command to copy the required files over to make it bootable. I then place all the unRaid files onto the stick and booted up without any issue. After using unRaid for a while, I decided to put together a more robust system so I bought a new motherboard and the Sempron 140. All hard drives stayed the same. I took the Bootable USB stick from the old system and plugged it into the new system. Went into the BIOS and set the boot device to USB Removable device. What I got was just as you have, no boot. I wondered how the same USB stick could be bootable on one MB and not on another. I then loaded up the HP formatting program, formatted the USB, ran syslinux and copied the unRaid files over. I then turned on the system and it booted right up. I can't explain why one MB needed this and the other didn't, but it's worth trying. Hope this helps.