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Hello,

 

I have a problem that I've been trying to solve, but don't know where to start.

 

The problem happens after I wake my laptop from sleep while on battery. Upon wake, the USB ports stop working, and I need to restart the laptop in order to get them working again.
If I put the laptop to sleep while plugged in to the power adapter, the USB ports work upon wake. USB2 and USB3 ports are both affected.

Has anyone had a similar problem? I haven't found something similar while searching.

Any suggestions on troubleshooting are welcome!

 

Laptop: Asus K450JN, i7-4700HQ 2.4 GHz, 8GB RAM, Intel HD4600

OS: Yosemite 10.10.1

 

Thanks!

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