hi
I installed ubuntu 16.04 on my laptop a month ago, and about two weeks in, my computer first froze and caps lock started blinking. Since then, it has happened at least 5 times, each with shortening intervals. Each time I had to shut down using the power button.
The freeze happens randomly-did not happen under heavy use (Happened when using only browser, while everything was fine when playing a cpu heavy game), hasn't happened during boot yet. In windows would get BSOD once in a while (every six months, maybe?), but other than that nothing indicated hardware failure.
Here are the things I've tried:
- Waiting. 8 hours did nothing.
- Updating Kernel (was up to date).
- Updating graphic card driver.
- Every single thing here: Ubuntu 15.10 and 16.04 keep freezing randomly
Some more relevant information:
I have an external wireless adapter (TL-WN7200ND) because my internal one is almost dead (it is disabled).
When frozen, does not react to Alt+SysRq+REISUB, alt+sysrq+F, ctrl+Alt+F1, ctrl+Alt+delete
System and computer info:
Ubuntu 16.04 LTS,
Asus laptop N550JV (4.5 years old),
Nvidia Geforce 750M with proprietary driver,
Intel i7-4700HQ CPU 2.4Hz
syslog: https://pastebin.com/wmAUQtvn crash happened at 17:38:34
From askubuntu got the following answer:
The log indicates faults with two USB devices. You may wish to move this question to ubuntuforums.org, where gurus can take the time one-on-one to help you probe the problem further. At the moment, looks like freeze-caused-by-defective-hardware...which is indeed what most freezes are caused by. The Q&A format of AskUbuntu means that future users are unlikely to be helped by the question.
edit:
Kernel panicked again. On waking from sleep, as the external wi-fi adapter was turning on.
syslog for second crash: https://pastebin.com/QnbadsU1 crash happened at 9:05:21.
After the crash, I turned computer on and the wi-fi adapter turned on fine.
Could anybody tell me if there is a fix? it was a fairly expensive adapter and it's new..
Thank you.
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