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C850D beep no ram but no boot no image

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    #21
    Re: C850D beep no ram but no boot no image

    BIOS recovery is not working..

    I prepared the USB drive but BIOS doesn't even read it..
    Galaxy S6 Edge x2 (Gold&White)
    Asus GL552VW-i7 6700HQ|GTX 960M|15.6"FHD|16GB DDR4|512GB M.2 SSD+1TB SSD
    Clevo W230SD - i7 4710MQ|GTX960M|13"QHD+|16GB DDR3L|500GB+256GB mSATA SSD+1TB HDD

    Try Harder!

    Comment

      #22
      Re: C850D beep no ram but no boot no image

      Hey guys,

      I need help, again..
      highpulse was a good Samaritan and he flashed both my BIOS chips. I came home all happy to get my laptop working, but laptop still doesn't boot. Both chips act the same.

      Now the laptop powers on, even lights up battery charging LED, but i have no RAM beep errors and no screen.

      I'm lost.. Any ideas?

      Thanks.
      Galaxy S6 Edge x2 (Gold&White)
      Asus GL552VW-i7 6700HQ|GTX 960M|15.6"FHD|16GB DDR4|512GB M.2 SSD+1TB SSD
      Clevo W230SD - i7 4710MQ|GTX960M|13"QHD+|16GB DDR3L|500GB+256GB mSATA SSD+1TB HDD

      Try Harder!

      Comment

        #23
        Re: C850D beep no ram but no boot no image

        Hey people, please lay a hand here!
        I know I have a lot to learn, but I can't really walk the path while I'm stuck on a obstacle.

        Thanks.
        Galaxy S6 Edge x2 (Gold&White)
        Asus GL552VW-i7 6700HQ|GTX 960M|15.6"FHD|16GB DDR4|512GB M.2 SSD+1TB SSD
        Clevo W230SD - i7 4710MQ|GTX960M|13"QHD+|16GB DDR3L|500GB+256GB mSATA SSD+1TB HDD

        Try Harder!

        Comment

          #24
          Re: C850D beep no ram but no boot no image

          I think you should try a mild reflow on the chip

          Comment

            #25
            Re: C850D beep no ram but no boot no image

            I did! Both SB and GPU. No results. I also checked voltages on coils, everything was good.

            I'm somehow convinced this BIOS needs some mod to work. It's illogical what happened..
            But I don't what else to do, so I'll send the board for reballing SB which is heating up more now and pray to God it solves the issue.

            Thanks.
            Galaxy S6 Edge x2 (Gold&White)
            Asus GL552VW-i7 6700HQ|GTX 960M|15.6"FHD|16GB DDR4|512GB M.2 SSD+1TB SSD
            Clevo W230SD - i7 4710MQ|GTX960M|13"QHD+|16GB DDR3L|500GB+256GB mSATA SSD+1TB HDD

            Try Harder!

            Comment

              #26
              Re: C850D beep no ram but no boot no image

              Hi, I have the same problem with this C850D-125 model, came to me with no image, so I unsoldered the BIOS chip, reprogram it with official 6.10 from win8 directory. After solder back the chip, the laptop is working ok until I change the boot from UEFI to CSM. After save and exit BIOS, there is no image again. I try to reflash several times and with other chips, but the problem persist.

              Comment

                #27
                Re: C850D beep no ram but no boot no image

                Did You have solve the problem? I'm having the same symptoms with same model...

                Comment

                  #28
                  Re: C850D beep no ram but no boot no image

                  No I din`t, I had reinstall the os in UEFI mode, but there was some problems with the VGA driver, I bet it's BAD video chip or contacts.

                  Comment

                    #29
                    Re: C850D beep no ram but no boot no image

                    I was able to boot fine in uefi mode again, but seems to have same problem, video chip bad, gives bsod randomly about video driver...

                    Comment

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