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    P750DM-G Shutdown Problem

    Discussion in 'Sager and Clevo' started by DM g, Aug 26, 2019.

  1. DM g

    DM g Notebook Geek

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    I am trying to solve this problems almost 2 weeks. I couldnt so last chance i am asking to you guys.
    I love this machine.
    Specs:
    -Cpu: 6700k Delided
    -Gpu: GTX 980M 8Gb CL Ultra with premamod vbios v2
    -Ram: 8x2 2400Mhz
    -Psu: 230W
    -Bios: Premamod (thanks god)
    When Gpu load is %99-100 and Gpu power over 90,100W i had restart problem. I checked psu with multimeter 19.68V and DC signal was normal. I saw some orange point on solder points with Gpu inductors and some black marks.
    I smashed thermal pads for good heat transfer and i bended the heatsink for good touching but when i m bending i bended Cpu part to. Desambled. When i try to start pc it shutdown until 2 seconds. If I press to cpu part when screwing this issue happening maybe some heatsink part shorting. If i screw it soft pc start normal but cpu temps rising like hell with prime95 test. idle is 40 C with max fan. I will find some copper shim for cpu 50mm x 50mm thickness 0.5mm-1mm. I m opened for any idea.
    How can i find r22 inductors or other parts for 980M, and can i fix cpu issue with copper shims? Thanks in advanced.
    Sorry for my bad english.
    https://drive.google.com/file/d/1-G8oAEQhotue3uI1qAdq4-9Di01Yc-Qf/view?usp=drivesdk
    https://drive.google.com/file/d/1_OPwXYHOkg69CRGSbfat2fFOTBJEaTaU/view?usp=drivesdk
    https://drive.google.com/file/d/1-07PtY01D39W2ohjMh1UkatrSl3NAUuS/view?usp=drivesdk
    https://drive.google.com/file/d/1--5urKh_VdXUDPxAhargHgRs44ZAQdGy/view?usp=drivesdk
    https://drive.google.com/file/d/1-J1hEIKkg5_Hxegj2By2rtbzHzJZBLSx/view?usp=drivesdk
    https://drive.google.com/file/d/1-KJPL1jURglyiFLAxJS3sk9MXCdS6fJ3/view?usp=drivesdk
     
    DM g, Aug 26, 2019
    #1
  2. Meaker@Sager

    Meaker@Sager Company Representative

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    I'd try and get the heatsink flat again, too much pressure can be bad.
     
    Meaker@Sager, Aug 26, 2019
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  3. DM g

    DM g Notebook Geek

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    I tried but wouldnt be the original one, cpu part not fit when i release it to place. Did you know how can i find 980M inductor sir? I watched eli tech on youtube. He fixing all cards.
     
    DM g, Aug 26, 2019
    #3
  4. Arrrrbol

    Arrrrbol Notebook Deity

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    Easiest way is probably taking some from a dead card (providing that component isn't the one which is fried). You can probably find them on eBay of Aliexpress if you search for the part number.
     
    Arrrrbol, Aug 26, 2019
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  5. DM g

    DM g Notebook Geek

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    I wrote on google but couldnt find. Now i found this: https://www.ebay.com/itm/HPI1040-R22-2pcs-Inductor-wire-SMD-220nH-Ioper-35A-0-9m-Body-dim/293169922033?_trkparms=ispr=1&hash=item444249fff1:g:k7AAAOSwmE9b9n3m
    is it okay for amparege or ohm?

    Type of inductor wire
    Mounting SMD
    Inductance 220nH
    Operating current 35A
    Resistance 0.9mΩ
    Body dimensions 10x10x3.8mm
    Tolerance ±20%
    I guess i need something like datasheet of 980M.
    I found easily these parts on aliexpress too you were right.
    Could you check Gpu pictures what dou you suggest to change else of inductors sir?
     
    Last edited: Aug 27, 2019
    DM g, Aug 27, 2019
    #5
  6. jaybee83

    jaybee83 Biotech-Doc

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    Meaker is definitely the one to ask about this ;) or you can also try @Khenglish

    Sent from my Xiaomi Mi Max 2 (Oxygen) using Tapatalk
     
    jaybee83, Aug 27, 2019
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  7. Meaker@Sager

    Meaker@Sager Company Representative

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    Dead card salvage is your best bet. If you can match the R number on a similar package that's best. If not for balance reasons you may be best off matching them all.
     
    Meaker@Sager, Aug 27, 2019
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  8. DM g

    DM g Notebook Geek

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    Thanks for answers, then i will change all of them if i cant find a death card. I must check mosfets too for shorting.
     
    DM g, Aug 27, 2019
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  9. Meaker@Sager

    Meaker@Sager Company Representative

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    I added more to mine to have 6 total.
     
    Meaker@Sager, Aug 27, 2019
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  10. DM g

    DM g Notebook Geek

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    I will buy these i guess:
    http://www.ti.com/product/CSD87350Q5D but inductors is problem. Mr. Meaker what did you think about orange mark on solder points is it some kinda oxidation and if i use copper shim without thermal paste for Cpu will be okay?
     
    DM g, Aug 27, 2019
    #10
  11. Meaker@Sager

    Meaker@Sager Company Representative

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    Could you point out exactly which picture you mean, it takes a while to grab them on my phone on the move.
     
    Meaker@Sager, Aug 28, 2019
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  12. DM g

    DM g Notebook Geek

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    DM g, Aug 28, 2019
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  13. Meaker@Sager

    Meaker@Sager Company Representative

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    Almost looks like flux, could have got toasty.
     
    Meaker@Sager, Aug 28, 2019
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  14. DM g

    DM g Notebook Geek

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    it is good to replace also not expensive parts these are can i use copper shim like a thermal paste on cpu?
     
    DM g, Aug 28, 2019
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  15. Meaker@Sager

    Meaker@Sager Company Representative

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    If contact is poor you can use a shim and paste either side, but with the correct thermal pads that should not be needed.
     
    Meaker@Sager, Aug 29, 2019
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  16. DM g

    DM g Notebook Geek

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    I m thinking of this for Cpu ihs without thermal paste instead of thermal paste. if it s a good idea i will immediately buy some copper i dont want to give money to pastes all time except if it is liquid metal.
     
    DM g, Aug 29, 2019
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  17. Meaker@Sager

    Meaker@Sager Company Representative

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    Paste fills in the gaps you can't see, you cant just mate two metal surfaces together and get good contact.
     
    Meaker@Sager, Aug 29, 2019
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  18. DM g

    DM g Notebook Geek

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    I understand now ordered mx4 4gr over 80C it is not pomping out like kyronaut and kyronaut for water cooling i guess. My kyronaut standed 1 year when i try oc and get over the 80C kyrout. My heatsink still bended when i push and screw cpu part and look contact is bad not smashing little used paste mountain.
     
    DM g, Aug 31, 2019
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  19. Meaker@Sager

    Meaker@Sager Company Representative

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    The kryonaught is thicker.
     
    Meaker@Sager, Aug 31, 2019
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