'USB Over Current Detected' on ASUS Prime-B350 Plus (solved)

Hardware Motherboards
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I have an ASUS Prime B350-Plus motherboard. Some time ago I got an error message which said ‘USB Device Over Current Detected’, which prevented the motherboard from booting or getting into the BIOS. I RMA’d that board, and the replacement board had also started showing the same error after a few boots. I powered the motherboard on after weeks and managed to get the machine working today, and updated the BIOS. However, it seems like I am intermittently getting the same message again. What could possibly be the issue?

I was earlier running Ubuntu 19.04, and switched over to Pop!OS 19.04 this morning, in case it is relevant.

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Well, what USB devices are you using?

Also, welcome to the forum!

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As of now I only have a Logitech K840 keyboard and a G102 mouse plugged in. I have used both these devices with my laptop recently, so I didn’t think they would be the issue.

Also, thanks!

4

Could get a cheap USB current meter and check

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Try unplugging any internal (e.g. front panel) USB cables. If one is causing a short somehow it could be the cause.

Also remove the motherboard from the case if possible to make sure nothing in the case is shorting to the motherboard.

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I had followed these troubleshooting steps when it first happened. None of them helped. The board has started throwing up the same issues again.

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I checked which ports aren’t working, and the ones that are causing the issue have nothing plugged into them

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In case someone else is having the same issue, in this instance the problem was resolved by replacing the PSU. One of the 5V rails was having issues.

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