Linked Questions
10 questions linked to/from How can I disable USB autosuspend on Ubuntu 18.04?
84
votes
14
answers
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Ubuntu 20.04 bluetooth not working
I've installed Ubuntu 20.04 and bluetooth is not working for me. But it works in a live session if I boot that from USB. Can anyone help me please?
systemctl | grep -i blue output:
sys-devices-...
- 869
25
votes
6
answers
86k
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How can I disable USB autosuspend for a specific device?
This is related to the issue discussed in Wireless mouse temporarily freezes (sleeps) on battery power.
Summary: the mouse freezes when operating on battery since it is autosuspended after a certain ...
- 854
35
votes
3
answers
82k
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How to disable auto power off of usb devices like usb mouse?
I don't know how , but somehow automatic power-off of usb devices got accidentally enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. It's really irritating.
This happened after I ...
- 381
18
votes
4
answers
47k
views
Two USB ports stopped working
I have a HP pavillion g6, running Xubuntu 14.04 64-bit. I have 3 USB ports. For some reason, 2 of them stopped working this morning.
I have xserver-xorg-input-all installed, followed the instructions ...
- 6,615
6
votes
3
answers
9k
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How to fix USB mouse and keyboard freezing?
My wired mouse, wireless mouse, a wired keyboard - all over USB - are freezing every once in a while for a few seconds. Nothing shows up in the logs when this happens and the laptops touchpad and ...
- 3,191
3
votes
2
answers
8k
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Disabling USB sleep mode
I have installed a full Ubuntu on a USB flash drive. Every time I want to boot into Ubuntu, I just plug the USB drive in and it boots into Ubuntu, and everything works just fine. There is one problem, ...
user1037248
1
vote
0
answers
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The right way to configure USB power in ubuntu
echo on | sudo tee /sys/bus/usb/devices/*/power/level > /dev/null
The command above is used to keep USB power on (Turns off USB power-saving). I execute the command every time I log in to Ubuntu ...
- 31
3
votes
1
answer
2k
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USB Switch Not Working in Ubuntu 18.04 or 20.04
I have a USB switch with a keyboard and mouse plugged into it. It works fine on my Windows machines. When I boot into Ubuntu with the switch connected to the Ubuntu machine and the Ubuntu machine ...
- 131
2
votes
1
answer
745
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Ch340 keeps disconnecting
I recently bought a esp32 devkit with ch340 USB-UART bridge.
After plugging it into the USB port of my Ubuntu 22.04 the serial port /dev/ttyUSB0 repeatedly connects and disconnects.
Also, I have tried ...
2
votes
0
answers
282
views
MIDI device (Yamaha electric piano) cuts out after about 15 seconds
I'm running Kubuntu 18.04 on an HP Pavilion with Ubuntu Studio installed, connected via USB to a Yamaha electric piano. When I start either Rosegarden or aplaymidi on a MIDI file, the sound emerges ...
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