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Dell Inspiron N4110, manufactured by Dell, is a black laptop with 14 inch screen. Model number: P20G001

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None of my USB ports are working and it worked fine yesterday?

I was on my laptop yesterday and they worked fine, but then I had to restart my computer and now the USB ports won’t work and I’ve tried everything suggested nothing worked. At first I thought it was the mouse so I tried another one and it won’t work either in any of the USB ports, what if one of them broke and it made the rest unable to work

Contestado! View the answer Yo también tengo este problema

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2 Respuestas

Solución Elegida

Hi,

Uncheck the USB power management “turn off power option” in Device Manager, and see if the USB ports now work.

Go to Device Manager > Universal Serial Bus Controllers > right click USB Root Hub > Properties > Power Management > uncheck Allow the computer to turn off this device to save power > OK.

Do this for all the USB Root Hub entries listed.

Restart the laptop and check if the USB ports now work

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First thing make sure your computer is up to date with no outstanding windows updates or system updates then move to ensuring all drivers are up to date. If they were once working and suddenly stopped like this your computer may no longer “see” the USB ports and could possibly be missing the latest firmware and/or driver updates for your device. Hope this helps.

Update (01/31/2019)

If all this checks out then you could possibly have a hardware related issue. USB ports may need to be replaced.

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It should be noted that if your computer doesn’t have the latest updates you will still experience issues as the windows interface is what is controlling the device manager. That wasn’t quite clarified I guess.

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