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Thread: Problems with freezing + weird icon appearing before

  1. #1
    Join Date
    Aug 2019
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    7

    Question Problems with freezing + weird icon appearing before

    Hello Everybody and thank you in advance
    Itís been now 2 weeks I am trying to resolve a weird issue (not intensively).
    When I login into ubuntu, everything seems to works and after approximately 2-5 minutes, I have this weird icon appearing. It stay 3 seconds, disappears and then everything freezes. I canít even use Control+F2 anymore. I have to restart manually.
    Here is the icon appearing and disappearing before the crash. It looks like it means that the computer is unplugged, but thatís a Desktop one and everything is working perfectly on windows.

    https://i.stack.imgur.com/rCIXp.jpg

    Thank you ...

  2. #2
    Join Date
    Aug 2019
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    Re: Problems with freezing + weird icon appearing before

    Any hints ?

  3. #3
    Join Date
    Mar 2011
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    U.K.
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    Ubuntu 20.04 Focal Fossa

    Re: Problems with freezing + weird icon appearing before

    It looks to me that this might be a power cable icon

  4. #4
    Join Date
    Aug 2019
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    7

    Re: Problems with freezing + weird icon appearing before

    That is also what I think, and right after this icon disappears the computer crashes. As I said I canít even use tty ...
    if thatís a power cable issue that would be really weird as Iím using a desktop computer

  5. #5
    Join Date
    Sep 2009
    Location
    Pennsylvania
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    3,363
    Distro
    Xubuntu

    Re: Problems with freezing + weird icon appearing before

    Weak power supply? Too many peripherals drawing the 5V line low? Do you hear fans slowing down or even stopping?

  6. #6
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    Aug 2019
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    Re: Problems with freezing + weird icon appearing before

    My configuration is:
    -processor i7 6700k
    -motherboard Gigabyte Z170X-Gaming 7
    -DDR4 Kingston HyperX Fury, 2 x 8 Go
    - GTX 1060
    -Power supply corsair 750W

    I have a lot of things plugged in USB as gaming headphone, RGB mouse, razer keyboard RGB also.
    Do you think that could be the reason ?

    And are you sure about the meaning of the icon? i know that is a silly question cause it does look very much like a PSU issue
    Should I try to start it without all this stuff pluggin in ?

    Thank you so much for you help

  7. #7
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    Mar 2011
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    U.K.
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    Ubuntu 20.04 Focal Fossa

    Re: Problems with freezing + weird icon appearing before

    You need to learn how to diagnose problems by using a process of elimination.
    Certainly I would try plugging in devices ("things") one by one.
    Try a different USB port on your PC or even add an extension USB hub (I have one which extends 4 ports and it has its own power supply).
    Are your devices expecting USB2 or USB3 for example.

  8. #8
    Join Date
    Aug 2019
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    7

    Re: Problems with freezing + weird icon appearing before

    I am coming back today with an interesting thing, I tried to unplugged my USB devices (mouse/keyboard/headphone)
    one by one by nothing changes.
    Then I decided to make a tail -f for all the logs in /var/log before it crashes.
    Globally the second it crashes nothing logs : Except /var/log/syslog and here is the result of that :
    3D76FD3E-553A-4C51-A5CC-39A801512009.jpg

    I have been very careful with the time and the crashes happened at 20:04:38.I donít really know how to interpret those logs. But it definitely has something to do with power level, which is weird has windows has been working perfectly for 4 years on this computer before.

    I am now in dual boot.
    thank you very much for your help

  9. #9
    Join Date
    Aug 2019
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    7

    Re: Problems with freezing + weird icon appearing before

    It is removing my mother board, that does not make sense

  10. #10
    Join Date
    Mar 2011
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    U.K.
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    Ubuntu 20.04 Focal Fossa

    Re: Problems with freezing + weird icon appearing before

    I'm not sure what you mean by "removing my motherboard" but are you using USB ports near your motherboard which might drain power? Try other port(s). If you have a USB port expander, with its own power supply, try that. Or buy one.

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