Score:0

Ubuntu 18.04 keep shut down itself and self rebooting after few seconds

cn flag

I have windows 8.1 hp pc, after I installed ubuntu 18.04 , dual boot mode

I faced problem with no grub menu showed itself , boot repair didnt help, bcdedit also didn't help

I'm booting to ubuntu using bios f9 choosing ubuntu from bios devices

When I use ubuntu, it keeps shut down randomly and reboot itself after few seconds , I didnt know how to solve this , and dont know root of the problem

May be it depends on bios changes I made on windows with bcdedit Or another thing

Please help me!

user535733 avatar
cn flag
It's unclear what haywiring you have done to your system. Read your /var/log/syslog for entries around the time of a shutdown to find clues. Your description resembles several common hardware faults, so your problem might not be related to Ubuntu at all.
Chris Smallville avatar
cn flag
There is no logs related to that. System just turn off , and there is no history commands or any logs catching this process . Only files and browser sessions saved after reboot
user535733 avatar
cn flag
Then it seems very likely that you have a hardware fault unrelated to Ubuntu. Open Source developers work very hard to ensure that their software faults are logged.
Chris Smallville avatar
cn flag
In windows 8.1 there were no such problems with random shutdown and self reboot afterwards . Only ubuntu faces that problem
Chris Smallville avatar
cn flag
What I should do next ? Erase everything by installing only ubuntu or somehow I can solve this problem ?
user535733 avatar
cn flag
Since you describe that Ubuntu does not work properly but Windows does work properly, I would keep using Windows on that hardware until it also starts faulting. Then replace the hardware. Ubuntu will work properly on your new hardware. I would NOT replace a working OS with one that seems faulty on that hardware.
user535733 avatar
cn flag
If you are asking if there is any additional Ubuntu-related troubleshooting you can do, the answers is "seems like No". You already did it. Additional troubleshooting would involve updating the BIOS, opening the case, cleaning the fans, replacing the power supply, testing the motherboard temperature, etc. Lots you can do, but nothing related to Ubuntu.
Chris Smallville avatar
cn flag
May be I should switch to kubuntu or linux mint rather than ubuntu ?
Chris Smallville avatar
cn flag
I have intel core i7 , 6gb ram , 1 ssd 1 hdd. I installed ubuntu to ssd by partioning it, when there were choice to install it on sda where windows boot , I choose it for dual boot , there isnt anything wrong with that ? May be efi uefi problems ? My head is spinning, I dont know what to do
user535733 avatar
cn flag
Your head is spinning because you are trying to reconcile two opposite conclusions. You believe that you don't have a hardware fault, but we claim that you do seem to have a hardware fault. Devise yourself a test to conclusively disprove one of those conclusions. Then you will know which is true. Don't guess, don't wildly grasp. Be calm and methodical. Use the scientific method.
karel avatar
sa flag
I reviewed to leave this question open. Ubuntu does not work properly but Windows does work properly, so I see no reason to believe that this problem is caused by a hardware fault.
Chris Smallville avatar
cn flag
@karel yeah, I also think so . May be problem happened because of overheating , I read some articles about hp and ubuntu problems, and found about mentions about it .HP cool sense missing in ubuntu , that's a loss .
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