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Thread: Ubuntu freezes with keyboard unusable only power down works

  1. #1
    Join Date
    Jun 2018
    Beans
    2

    Ubuntu freezes with keyboard unusable only power down works

    Hello to all members!

    I had installed a ubuntu 16.04 LTS partition in my desktop Aspire-M7811 with processor Intel® Core™ i5 CPU 650 @ 3.20GHz × 4 a year ago. It works pretty fine till I use a serious number of applications with the common denominator of firefox...it still going fine with no slowness till ubuntu get frozen, even the keyboard is not responsive, forcing me to power down the entire pc.

    Im using only free software drivers, I cant install the last OP actualization. I will thank you for any help to fix it.

    Kind regards

    José Antonio
    Last edited by dracllop; June 12th, 2018 at 07:42 AM.

  2. #2
    Join Date
    Sep 2009
    Location
    Pennsylvania
    Beans
    3,550
    Distro
    Xubuntu

    Re: Ubuntu freezes with keyboard unusable only power down works

    You may want to install psensor and have a look at temps and CPU usage. I have one machine here that just hates Firefox and Dropbox. I get a 50 meg file twice a month via Dropbox. When I go to download that file, all 4 cores go to nearly 100%, the memory maxes out (4 gig) and the swap almost maxes out. The processor temp goes up about 40F in less than 20 seconds. At that point, the machine becomes so slow that it is almost unusable. Once the file is downloaded and I close Firefox and Dropbox, everything returns to normal in about 10 seconds. I have, however, had it lockup and had to reboot and try again. (The file only takes about 5 or 10 secs to d-l, but it is amazing what happens to the machine in that time.) You may want to try another browser.

  3. #3
    Join Date
    May 2018
    Beans
    26
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Ubuntu freezes with keyboard unusable only power down works

    Just a thought: I think you can use the top command to see which all apps are eating your CPU and memory.

    Moreover I think can psensor will give you an idea (before the whole system freezes) if it is the processor that reaches to 100% ending up freezing the whole system !

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