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I've just updated my ubuntu 15 to ubuntu 16. Now, every time I shutdown, the computer reboots after a few seconds! I've already googled for solutions but nothing worked. My computer is a HP probook 4540s. Thank you EDIT: One more piece of information: when I restart instead of shutting down, I can no longer access the internet (via wi-fi). Also, I can get my computer to shutdown without rebooting if a press ( a long time) the (hardware) power button. |
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Try to turn off your wifi from shortcut button for wifi / or from settings and your pc will not start itself. |
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A workaround I am using is to push the power button while on the grub screen. Also there is a related bug at ubuntu-mate bug tracker. EDIT (2017_02_14): Some time ago I've found the same problem reported in a bug report for ubuntu-mate (as this is what I've used). And just recently the bug seems to be SOLVED after the last kernel upgrade!!! I am not very sure about though. Need additional testing. But today with all the rest in the setup unchanged the laptop (HP probook) started to poweroff normally. Current kernel is: What about the other affected people? PS seems to be similar to THIS thread |
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Same issue happens with me. The same sympthom happed with standard 16.04 installation and the current Ubuntu Mate: It's important that it did not happen immediately. Couple of weeks passed - roughly a month - then this started to come again and again. What worked for me as a workaround: - disable networking before you turn off the machine - reinstall Just to confirm that it is still an issue. |
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Don't know if this is a solution for other people, but if you have a mouse or something on an usb port: change the port. I had a similiar problem: fresh install 16.04 ubuntu mate 64, not even one other thing installed and it took my pc nearly two or three minutes to shutdown and after that it immediately rebooted. No problems on Win7. I couldn't find a solution, not with grub updates/changes, bios or whatever. Looked up a lot of boards for answers, nothing worked ... Changed the mouse, same effect; changed the usb port: worked. Shutdown now takes seconds and no reboot after. I have no idea why - if this is a problem on my side or on linux (I'm absolutely no techie), but I thought, I should tell people, if it can help anyhow ... |
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I had this problem once with a HP Probook 840 or something of the sort. You should try disabling "Wake on LAN" or "Wake on WLAN" in your BIOS. |
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The solution for me was updating the grub (Ubuntu 16.04). I found this solution here: Fix Shutdown does not power off computer in Ubuntu 14.04 |
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