DELL XPS 15 9510 LA-K411P (NVDC ISL9538C) NO BOOT / NO CHARGE

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  • Teeheeze
    Member
    • Mar 2021
    • 15
    • USA

    #21
    Originally posted by reeluff
    Job complete, fixed.
    Did you flas the MEC 5107? I have an XPS 9510 w/ almost the exact same issue. Negotiates to 20V on all 3 USBC ports but no power w/ the power button. Getting 20V, 5V, 3.3V, 1.2V, 1.8V, etc. but it doesn't power on w/ or w/o the battery. I've replaced the Cypress USBC chips but nothing changed. UT7 buck is getting warm, but nothing else significant. I think it may be the MEC firmware. I've used an RT809H programmer to JTAG into a Lenovo MEC chip before. Is this one similar? Any help would be greatly appreciated. Thanks!

    Comment

    • SMDFlea
      Super Moderator
      • Jan 2018
      • 20695
      • UK

      #22
      Originally posted by Teeheeze
      Did you flas the MEC 5107? I have an XPS 9510 w/ almost the exact same issue. Negotiates to 20V on all 3 USBC ports but no power w/ the power button. Getting 20V, 5V, 3.3V, 1.2V, 1.8V, etc. but it doesn't power on w/ or w/o the battery. I've replaced the Cypress USBC chips but nothing changed. UT7 buck is getting warm, but nothing else significant. I think it may be the MEC firmware. I've used an RT809H programmer to JTAG into a Lenovo MEC chip before. Is this one similar? Any help would be greatly appreciated. Thanks!
      Do the cypress chips need programming
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

      Comment

      • Teeheeze
        Member
        • Mar 2021
        • 15
        • USA

        #23
        Originally posted by SMDFlea

        Do the cypress chips need programming
        As far as I know, they don't. I think the Intel TB chips have firmware on a ROM though. But (and I could be mistaken), I think that firmware is only used for Thunderbolt connectivity. Again, I could be wrong about that though.

        Comment

        • zigana
          Member
          • Aug 2013
          • 39
          • turkiye

          #24
          thanks

          Comment

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