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+--- Thread: New USB Mouse takes an additional 48 seconds to activate on startup (/showthread.php?tid=948)
New USB Mouse takes an additional 48 seconds to activate on startup - Daveyboy - 10-05-2014
Recently decided to pull desk out, unplug desktop PC and give the area behind a good clean. When reassembling fitted a new USB Keyboard and Mouse to replace the rather worn USB keyboard and mouse that were previously installed.
Now for the weird bit. When booting LL2 and reaching the login user screen I have to wait a further 48 seconds before the mouse becomes active whereas it was active immediately before installing the new hardware. Once the mouse finally activate both that and the keyboard work as intended.
Can anyone point advise how I can eradicate this delay on the mouse activation that was never there before
Re: New USB Mouse takes an additional 48 seconds to activate on startup - Valtam - 10-05-2014
Wired or wireless keyboard and mouse?
Re: New USB Mouse takes an additional 48 seconds to activate on startup - Daveyboy - 10-05-2014
Both Wired - Funny thing is, since posting I unplugged both keyboard and mouse, swapped over the ports that each was plugged into and then rebooted PC - What do you know - Problem Solved
Re: New USB Mouse takes an additional 48 seconds to activate on startup - shengchieh - 10-06-2014
I wonder if the slowdown is due to cleaning, not the USB keyboard. Try booting once w/o the USB keyboard and mouse. If slow, something you did while cleaning messed things up.
If fast, boot w/ just USB keyboard and not USB mouse - and the other way around mouse, but no keyboard. Debug which is slow and post more information about it. Also, be sure everything
is plugged in fully (not just the keyboard and mouse - everything).
Sheng-Chieh
Re: New USB Mouse takes an additional 48 seconds to activate on startup - Trip - 01-04-2016
For future reference..
I had this same problem myself recently and it turned out to be an option in the bios for allowing virtualization direct access to low level hardware like USB devices.
I can't remember the name of the option but I'll see if I can find it again and post it here in case anybody else has this happening to them
EDIT: It's called IOMMU http://askubuntu.com/questions/85776/what-is-iommu-and-will-it-improve-my-vm-performance.