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    Strange issues with Clevo P870DM

    Discussion in 'Sager and Clevo' started by Darker01, Aug 21, 2018.

  1. Darker01

    Darker01 Notebook Consultant

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    Not really sure what's going on with my laptop, but I hope one of you guys could provide me some more insights that lurking around can't provide.

    Background: This is a Sager-branded Clevo P870DM built by XoticPC around March 2016. It has i7-6700K, 980M in SLI, and 16gb of RAM. It runs Win10 64bit ver 1709 when the problems became recurrent and is running 1803 at the moment. I remembered nothing was wrong with the computer prior to August this year. When exactly the problems started, I'm not sure. 1 external screen is attached, and the system is plugged in at all time. Attached peripherals included a microcontroller used to control cooling fans, wireless adapter for mouse, a wired keyboard, 1 Ethernet cable to router, and 1 Ethernet cable to another laptop (remote control, normally in sleep mode with Wake on LAN enabled).

    The Problems: These 4 events happened frequent enough such that I think they might be related. I ranked them in order of decreasing number of occurrences:

    _Display brightness dropped to lowest setting despite activity + AC settings.
    _Track pad enable/disable message popping up.
    _System suspend/sleep.
    _System shutdown.

    Troubleshooting Steps Taken:

    _Checked Event Viewer for what happened immediately before one of the 4 events above happened and pretty much found nothing relevant except PowerBIOSServer_Out (CCC service?) displaying Suspend at a time point closest to the actual system Suspend. Not sure if this was a cause or an effect, but I believe it's more likely to be the latter. What's frustrating is that all of these events are otherwise reported to be normal operation.

    _I looked at the software/files I downloaded and couldn't trace anything related to the issue. The most experimental thing I got was the LaptopTools for controlling fan speed curves and whatnot by
    John@OBSIDIAN-PC. I recalled that I ran this software without uninstalling CCC, but it was done around 07/23.

    _Scanned the computer for virus and found nothing.

    _Checked CPU and GPU temperatures. The system is not overheating.

    Hypotheses:

    _Something is wrong on a hardware level. EC failure? CMOS battery running low? Not enough evidence to tell though the symptoms do point toward CCC and CCC-related stuffs.
    Keyboard malfunctioning has not been ruled out.
    _A combination of software changes caused instability.
    _My laptop is infected with a virus written by someone who want to drive people crazy with inconveniences.


    Long story short, I'm clueless and I hope you guys might be able to help. Posted under Clevo/Sager because I thought it could be brand-specific.
     
    Last edited: Aug 21, 2018
  2. Meaker@Sager

    Meaker@Sager Company Representative

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    It could be a windows update has gone awry and messed with something.
     
  3. bennyg

    bennyg Notebook Virtuoso

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    Try an install-uninstall of CCC with Obsidian tools not running or autostarting.

    Multiple programs interacting with the EC is highly unpredictable
     
    Papusan likes this.
  4. poprostujakub

    poprostujakub Notebook Consultant

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    Do you use wireless mouse/keyboard? Their signals interfere with sensors inside lid and can generate this strange behavior.