Troubleshooting USB ports all disconnecting spontaneously

ASUS M5A97 LE R2.0 AM3+ AMD 970 + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS

AMD FX-6300 Vishera 6-Core 3.5 GHz (4.1 GHz Turbo) Socket AM3+ 95W FD6300WMHKBOX Desktop Processor

EVGA GeForce GT 630 DirectX 12 (feature level 11_0) 02G-P3-2639-KR 2GB 128-Bit DDR3 PCI Express 2.0 x16 HDCP

Samsung 240 Gb SSD

EVGA 600 B1 100-B1-0600-KR 80+ BRONZE 600W

Antec Nine Hundred Black Steel ATX Mid Tower Computer Case

Windows 10

Hi Everyone. I am having trouble with my PC. Without any rhyme or reason, all my USB ports shut down. To troubleshoot the problem, I reinstalled Windows, reinstalled Windows on a new hard drive, and verified that all the drivers are updated via the Device Manager. The devices attached to my PC via USB are 2 external WD passport 500Gb hard drives, a wireless mouse & keyboard, a printer, a memory card reader, a Panda wireless antenna, and an external DVD drive. I dont think it is the OS, because it happened within a week after a fresh install. The only thing I can think of is the motherboard but I am not sure if there is a way to test it.

Has anyone else had an issue like this before or know of this issue with the ASUS M5A97 LE R2.0 motherboards?

Thank you in advance for your help.


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Clarification Request
Do they start working on reboot?

If so, I'd be sure the motherboard BIOS is current and check the motherboard maker for all driver updates (Windows does not do updates like this.)

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They restart without rebooting

Good point. I thought to put that in to my post but forgot. They do not require a reboot to start working again. Usually within 2 minutes they are working again. It is like is it is resetting. Yesterday, my wife was uploading a large file. The USBs disconnected so the internet connection was lost. She said there was an error message, something about an unrecognized device. They the computer shut off without warning.

My AV software is updated and running. I also did a scan last night with Malwarebytes. I dont think it is virus related.

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This reminds me of the overcurrent protection.

USB design includes an overcurrent feature so we don't burn them out. And right there, " 2 external WD passport 500Gb hard drives" is more than many USB ports can power.

Try it with one drive. If that helps, then you want to install some PCI or PCIe USB card. It will have it's own power system and should help.

TL;DR. Too much load. Fix with some USB card.

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I will unplug the hard drives

Ok. I really appreciate your advice. Ill give it a shot. If it acts up again, Ill reply back to this post, hopefully with some additional information.

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