Movement induced hardware crashes


  1. ErrorDx
    Posts : 1
    Windows 10
       New #1

    Movement induced hardware crashes


    Specs:
    Lenovo Legion Y540-15IRH (4 years in use, no warranty)
    Windows 10 (OS Build 19045.3570) / Ubuntu 22.04
    RTX 2060, i5-9300H, 2x8GB DDR4, SATA and NVMe storage

    The laptop occasionally freezes when moved/shaken/tilted. Whenever a freeze occurs, I am forced to shut down the laptop by holding the power button, caps-lock and other function keys are unresponsive, manually initiated BDOS cannot be forced. This problem persists throughout different Windows and Ubuntu installations on different storage drives. The freezes started occurring after the laptop suddenly shut down under heavy load.

    The above clearly points towards a hardware issue. I have already tried disassembling and reassembling the laptop, looking for loose components/connections. I tried running the laptop without a battery/fans, reseating the memory modules and repasting the heatsink, but so far everything has been in vain.

    When reassembling the laptop again today, I have noticed a dark spot nearby the chipset die. Could this be the cause of the system instability? This might be a tough question to answer given the limited information, but what is your opinion? Do you have recommendations on further diagnosis?

    Movement induced hardware crashes-darkspot.jpeg

     
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  3. Berton
    Posts : 14,078
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #2

    It depends upon what those dark spots are, something stuck on or loose and can be picked off. If stuck on could be causing circuitry issues between the solder spots, maybe could be scraped off. In either case they should not be there. If they can't be cleaned off it may be cause for replacing the motherboard/mainboard/system board [names vary but mean the same].

    As far as movement being the cause just be sure there's nothing loose when you close it up.

    Looking at that model in Search of the Internet shows it may be more cost-effective to just get a new Notebook, I like those in the $600-900USD price range, mine in Oct. '21 when Win11 came out was a tad over $700 14" with Core i5 8GB RAM and 256GB NVMe drive.
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  4. Catnip
    Posts : 318
    Win 10 and 11
       New #3

    That black stuff may be epoxy. It may have dripped in during the assembly process, or it is being used to protect a scratched trace to keep it from oxidizing. It's fairly common to do that, and I don't think it would be the cause of the freezing issue.

    I would be more inclined to suspect a dodgy hard disk or connector.
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