Clevo P770DM-G Randomly shutting down, for more than 100 days now.

Discussion in 'Sager and Clevo' started by Hitto, Feb 8, 2021.

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  1. Hitto

    Hitto Notebook Enthusiast

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    Hello there beautiful people,

    I made this account to address an issue in my Clevo P770DM-G Laptop that is "almost" driving me crazy...

    at the 5th of November in 2020, I started Having this weird issue of my laptop suddenly Shutting down in the middle of anything am doing be it ( Gaming - watching a movie - attending a lecture - Microsoft office work - even at IDLE...etc.) basically any anytime it could occur.

    Its worth noting that my Laptop was stable for more than 2 years, no Hardware added no overclocking...nothing.

    Specs:

    • Intel i7-6700

    • GTX Nvidia 980M

    • 16 GB DDR4 2600 Mhz

    • 1 TB 7200 RPM HDD + 1 TB NVMe SSD (intel 660p)

    • AC adapter 19.5v 11.8A 230W

    • Generic monitor 60Hz

    • Win 10 pro
    What I did in hope of solving this issue: (but it still persists)

    1. System restore to a stable point.

    2. Un-did my Undervolt which was stable for more than 2 years.

    3. Updated windows 10 to the latest version.

    4. Updated all my outdated drivers.

    5. Cleaned my already clean Fans and checked for overheating issues which doesn't exist because temps are at mid 70s for CPU and GPU under the heaviest load (stress testing - benchmarking - heavy tasks).

    6. Disabled intel's (Speed step) technology that is responsible for turbo boost, after noticing Huge fluctuations in CPU core Frequency when the laptop switches the power source to battery (from 3.7 GHZ to 1.97 GHZ).

    7. Removed all Viruses and malwares by using Bitdefender and Malwarebytes.

    8. Removed the latest programs and games installed before the issue started.

    9. Went to a local technician and tested my power brick and it is supplying steady voltage (19.55v), I am still a little bit skeptical because he tested it for 4~7 seconds only.

    10. Tried operating the laptop on (Battery alone - AC adapter alone - both together) after disconnecting all the power sources and holding the power button for a minute to discharge (every time between iterations).

    11. Disabled all the services when booting into windows.

    12. Completely removed Nvidia Graphics driver using (DDU) and performed a clean installation of an old stable driver.

    13. Completely unplugged all the USB peripherals.

    14. Uninstalled all the USB drivers to check if its a problem of drawing more power into (headphones-mouse-keyboard).

    15. Ran Intel's CPU diagnostic tool and it passed.

    16. Tried to do normal operations (Idle- play a game - watch a movie - run benchmark) with these 3 settings (GPU on normal clocks - GPU underclocked - GPU overclocked) No differences at all between the 3 conditions.

    17. Changed the (Travel adapter) that converts my power cord from UK plug to a European one.

    18. Ran RAM diagnostic tests and passed them (windows built-in tests and memtest86).

    19. Ran ("Error Checking" and "Optimization") on my HDD and SSD, and all is fine.

    20. Tried normal operations under ("Optimal power" and "Prefer maximum performance") in Nvidia 3d settings.

    21. Tried turning Off G-Sync

    22. Tried normal operations in Safe mode

    23. Reseated the CMOS Battery.

    24. Repasted (thermal Grizzly) on both GPU and CPU

    25. Finally, I did Format my laptop then went with a clean installation of Win 10
    ------------------------------------------------------------------------------

    everything I did above was in vain, this laptop is still young (since 2016 only) I don't want to give up on it.

    I have a log file of HWinfo when the problem occur, but I cant find a way to attach it to this post.

    I would absolutely appreciate any kind of help, because this makes my laptop almost unusable with the thought of "it may turn off any second now" all the time.
     
  2. joluke

    joluke Notebook Deity

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    Of all the things, have you tried to reinstall windows and if ocours?
    Edit: nevermind, it's point 25. Dunno what else to test :(
     
  3. Hitto

    Hitto Notebook Enthusiast

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    No worries mate, thanks for the suggestion.
    lets wait and see, I hope someone have a good idea about solving this dilemma!
     
  4. Tech Junky

    Tech Junky Notebook Deity

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    I had an issue with the same power issue. Turned out the new 180W charger I got and had been stable for 3 months decided to take a dump and start glitching out. I ran down the rabbit hole you've been through and reverted back to the OEM charger and everything went back to normal.

    Swap the charger and it should go away.

    [​IMG]
     
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  5. Hitto

    Hitto Notebook Enthusiast

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    I am thinking about that as the last resort, but my 230W AC Adapter was stable for 4 and half years, why now all of a sudden I dont know, also it is supplying a steady 19.55V ! I have another thread in another forum telling me its the Mobo..every piece cost heck of a lot to be playing trail and error, may as well just start building a desktop with "repair" money..
     
  6. Tech Junky

    Tech Junky Notebook Deity

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    4.5 years is a long time for a brick. Typical warranties on them are 12 months and on the longer side 3 years. V being consistent is fine and all but, if you look in Event Viewer and it's a spontaneous power failure it's the Brick and not anything installed or the MOBO. I thought maybe it was the AC jack where it plugs into the laptop and glad I didn't go down that road when it was just the brick failing.

    Buy a new brick and test it and if it doesn't resolve the issue then return it. No harm, no foul, no loss of funds.

    I can just say from experience and running through most of the same steps it's the power brick that's causing the issue.... if you look back and everything was stable for years and this just pops up....
     
  7. Hitto

    Hitto Notebook Enthusiast

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    I do take your solution as the highest trustworthy one, because its from the same issue and you experienced the same symptoms, also while surfing Microsoft IT experts section I saw something that just make your solution more trustable, I attached a picture.

    well do you know of any legit Clevo spare parts seller ? all the ones I find are scammers claiming they are part of Clevo affiliates
     

    Attached Files:

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  8. joluke

    joluke Notebook Deity

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    Yep it's the power brick. That's why Clevo only gives it warranty for one year. They usually go down faster than any other component
     
  9. Tech Junky

    Tech Junky Notebook Deity

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    It's a bit rough getting genuine parts w/o paying too much for them. When I was doing my research on options for more power I went to the basics with the tip size 5.5*2.5mm and then hunted by V*A trying to match up things as much as possible for the V and A being a variable to go up in W.

    My OEM brand is Chicony and the brand that failed within a few months was HKY.

    It looks like there might be a few different tip options coming up when looking up the laptop model.

    https://www.ebay.com/itm/230W-AC-Ad...230P1A-19-5V-11-8A-Power-Supply-/272079353149

    This listing has several options and is reasonably priced for the part. They're offering a 30 day return and you'll know within a couple of days whether it solves the issue or not. If you end up returning it you're only out ~$10 for shipping it back to them.

    Delta is the key chip / OEM that you want to find though as to the MFG it doesn't matter as much as long as it's a solid non faked brick. The key to it is it won't be "cheap" but it shouldn't be overpriced either. On mine the OEM is typically about $70 and going for HKY was ~$40 and while it worked fine for a few months and might have been a 1 off defective it's hard to recommend them.

    It's a bit of a minefield though when it comes to sourcing parts on these no name laptops compared to the big boys but, the performance for the price makes it worthwhile. Sometimes you can reverse engineer parts from the sager site as well it just depends on what you're looking for. For instance when looking for a heat sink / fans for my laptop the only place I can find anything is aliexpress and I'm turned off by their site after trying to order a couple of things and them asking for an upload of ID / CC to process the order.
     
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  10. Hitto

    Hitto Notebook Enthusiast

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    Ty for the list mate! much appreciated.

    I am thinking about going for a 330W instead of 230W, maybe I start overclocking my GPU and the 230W may fail on me again. to be honest I don't know if I will need 100W more but its just a thought that crossed my mind, I will definitely update this thread with the latest results when I get one, but I have to wait maybe a month until I travel back to UAE, because shipping in the country I am in right now is like playing Russian roulette, you never know if the shipment will arrive or not, and despite the customs being 75~100% of the value of the product.

    Thanks again guys, your comments are much appreciated =]

    Edit: oh well, the majority if not all of Ebay listings do not ship to my country..
     
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