SOLVED. USB Mouse does not work after CentOS 7 install

Issues related to hardware problems
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Placidia
Posts: 4
Joined: 2014/08/23 03:22:43

SOLVED. USB Mouse does not work after CentOS 7 install

Post by Placidia » 2014/08/23 03:55:31

I have just installed CentOS on a Toshiba laptop, 8GB of RAM, Intel i-5. I selected the installation with Gnome desktop and went with the installation defaults. My USB mouse does not work. It works in the BIOS, but stops working once CentOS is loaded. I checked the mouse on a different machine and it works. Furthermore, a flash drive inserted in the same USB port was correctly detected by CentOS -- just not the mouse. The touchpad mouse for the laptop does work.
The problem sounds very much as described here: viewtopic.php?t=7590

The solution found in the previous post involved passing amd_iommu=on as a parameter to the kernel. However, the OP was using CentOS 6 and the grub loader. Inspired by this post http://xmodulo.com/2013/11/add-kernel-b ... linux.html, I atempted to pass amd_iommu=on to the kernel line as per Fedora (the CentOS instructions on this post pertaining to grub). I ran grub2-mkconfig, as described. But the mouse still fails to respond.

I also tried poking around in the BIOS menu, but I did not see anything that looked relevant ... nothing about USB support.

Any suggestions?
Last edited by Placidia on 2014/08/23 14:05:31, edited 1 time in total.

Placidia
Posts: 4
Joined: 2014/08/23 03:22:43

Re: USB Mouse does not work after CentOS 7 install

Post by Placidia » 2014/08/23 13:36:53

I pulled out the receiver and inserted it again. This is the output of dmesg. As you can see, the Logitech receiver is detected.

Code: Select all

9.571230] usb 2-1: New USB device found, idVendor=046d, idProduct=c52b
[  829.571234] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  829.571237] usb 2-1: Product: USB Receiver
[  829.571239] usb 2-1: Manufacturer: Logitech
[  829.577549] logitech-djreceiver 0003:046D:C52B.0006: hiddev0,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-1/input2
[galla@localhost ~]$ 
[galla@localhost ~]$ 

Placidia
Posts: 4
Joined: 2014/08/23 03:22:43

Re: SOLVED. USB Mouse does not work after CentOS 7 install

Post by Placidia » 2014/08/23 14:09:23

Amazingly, I solved this myself. It seems to be a problem specific to the Toshiba. The BIOS on this laptop has a number of power saving options and other tweaks. One of these disables internal USB 3.0 control. I chose "disable", rebooted, and the mouse works.

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