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USB 2.0 port sometimes fails to work at all


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#1 rp88

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Posted 18 November 2017 - 01:58 PM

I have a Toshiba Satellite Pro L850-1UJ laptop running windows 8.1 and sometimes linux mint too. The laptop has 3 USB ports, two of them together on the right (USB 3.0) and one on the left (USB 2.0). I hate trackpads so much I've turned mine off from in the BIOS/UEFI hence I use a USB mouse. I generally plug this mouse into the 2.0 port and leave it there across reboots, I don't move the laptop very often so needn't unplug usually.

The USB 2.0 port however has a problem, it happens occasionally and randomly, and recently it has happened again. It is very annoying and I thought it was time I try to get advice on fixing it.

The USB 2.0 port sometimes just refuses to work, the mouse plugged into it is not seen by the pc and must be moved to another port, any USB sticks inserted into it are also ignored. This si sometimes cured by a restart, and sometimes not. I don't think this is OS specific, I've seen it on windows and not on linux but I don't think that means it can't happen on linux just that it hasn't by chance happened when I've been on linux.

What diagnostic steps do I take? How can I fix this?

Thanks

Edited by rp88, 18 November 2017 - 01:59 PM.

Back on this site, for a while anyway, been so busy the last year.

My systems:2 laptops, intel i3 processors, windows 8.1 installed on the hard-drive and linux mint 17.3 MATE installed to USB

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#2 softwaremaniac

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Posted 21 November 2017 - 05:48 AM

I would try checking for a chipset driver update and try using Linux a bit longer to verify whether the issue is on the software or on the hardware side.



#3 rp88

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Posted 21 November 2017 - 06:33 PM

How would I go about looking for a chipset driver? Would I head to the manufacturer's website after looking up the chipset using speccy or equivalent? But also this issue hasn't been there since the machine was brand new, it first occured after a few years had passed since I got the machine, so what could have changed to stop the old driver working?
Back on this site, for a while anyway, been so busy the last year.

My systems:2 laptops, intel i3 processors, windows 8.1 installed on the hard-drive and linux mint 17.3 MATE installed to USB

#4 mightywiz

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Posted 21 November 2017 - 07:00 PM

have you physically checked the usb port to see if it is damaged?

 

look at it and see if the plastic is loose or broken, this is what retains the pins in the correct position.  they don't break very often but it can happen.



#5 rp88

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Posted 22 November 2017 - 02:07 PM

Will check it by eye when I turn this pc off later tonight.
Back on this site, for a while anyway, been so busy the last year.

My systems:2 laptops, intel i3 processors, windows 8.1 installed on the hard-drive and linux mint 17.3 MATE installed to USB

#6 softwaremaniac

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Posted 22 November 2017 - 08:20 PM

You should look on the manufacturer's website, yes.






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