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    XPS 9550 Reboots After Waking From Sleep

    Discussion in 'Dell XPS and Studio XPS' started by Jagstyles, Feb 14, 2017.

  1. Jagstyles

    Jagstyles Notebook Geek

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    I have the Dell XPS 9550 and after doing a fresh install, noticed that when the laptop is inactive for a few hours, whenever I go to use it again, it's been rebooted.

    I have Hybrid Sleep set to OFF and Hibernate After set to 9999 minutes. Any ideas/suggestions?

    Thanks
     
    Jagstyles, Feb 14, 2017
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  2. _sem_

    _sem_ Notebook Deity

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    I guess I had the same issue. I think updating BIOS fixed it (someone done it at an earlier BIOS, so version may not matter, you could downgrade and upgrade if you're on the latest).
    Another thing I messed with at that time were boot options. I also had a long boot problem, 50 s or so. I've created a new UEFI boot option and moved it to the top.
    I had a different waking from sleep issue earlier, worked around by setting Hibernate after to Never.
     
    _sem_, Feb 14, 2017
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  3. GoNz0

    GoNz0 Notebook Virtuoso

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    "whocrashed" can look at the crash dumps to identify the culprit.
     
    GoNz0, Feb 15, 2017
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  4. _sem_

    _sem_ Notebook Deity

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    Done that, but there was no crash, just cold boot
     
    _sem_, Feb 15, 2017
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  5. GoNz0

    GoNz0 Notebook Virtuoso

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    Need to know the model number of your SSD, if you are running AHCI or RAID mode and if you have installed a storage controller driver installed for the SSD?
     
    GoNz0, Feb 15, 2017
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  6. Jagstyles

    Jagstyles Notebook Geek

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    I already have the most recent BIOS version but will try reflashing it... Who knows.
     
    Jagstyles, Feb 15, 2017
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  7. Jagstyles

    Jagstyles Notebook Geek

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    That's exactly what I'm experiencing. I have the Samsung SSD 512GB and running in RAID.
     
    Jagstyles, Feb 15, 2017
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  8. GoNz0

    GoNz0 Notebook Virtuoso

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    Have a google to find out how to swap to AHCI mode then install the Samsung SSD driver. If you search my posts for today you should find the info you need.
     
    GoNz0, Feb 15, 2017
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  9. _sem_

    _sem_ Notebook Deity

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    I'm in AHCI with the Samsung SSD driver (reverted back from 2.1 because of freezing) so I don't think this is a solution.

    And phuck, it is happening again! The only think I can think of was a hard reboot after a memory leak of lsass after something went fishy logging in to a website which demands a certificate (couldn't kill the process, couldn't shutdown regularly). Right now I can't afford to brick so will wait a while without sleeping, aargh.
     
    _sem_, Feb 15, 2017
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