I have a DVD Rom that doesnt want to spin up and operate. It is connected to a usb 2.0 hub in the dash. I am powering the hub from the psu. now the hub works fine (bluetooth, gps, keyboard) but when i plug in the DVD-rom it never really spins up all the way. it only gets so fast then stops and starts again. the dvd-rom is connected to the hub with one usb cable and the power for the drive is coming from the same wire (+5) connected to the PSU for the USB hub. i have pulled the dvd rom from the car and connected to a wall outlet (using the AC\DC converter provided) and it spins up just fine. now clearly i have a power issue (current related) but i dont know where to start. I can only guess my next move is to purchase a 12 to 5 volt regulator rated at 3 amps (same as the AC\DC converter) and try that. The PSU (m1-atx) is rated at 10A for the 5V rail and i dont think i am over that limit. I have only a bluetooth dongle, gps, a mini keyboard, and occasionally a flash drive connected. Any suggestions?
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DVD-ROM Power issue