Toshiba L850-1R1 No image

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  • Sojke
    Senior Member
    • Apr 2017
    • 131
    • Serbia

    #1

    Toshiba L850-1R1 No image

    Hi guys. I have an Toshiba L850-1R1 with i7 quad core and HD7670M Graphics. It does not display an image, but it turns off and on instantly as if everything is working, no need to hold power button. Power ON and charger ember led are lit during its operation (Ember comes on a bit latter). Replace BIOS but unsure if correct version, no image. Replaced Graphics chip but still no image.

    Can any one guess what´s wrong (I didn´t check LVDS power)?
  • ridamouh159
    Badcaps Veteran
    • Nov 2014
    • 365
    • maroc

    #2
    Re: Toshiba L850-1R1 No image

    post here your PART NUMBER

    Comment

    • Sojke
      Senior Member
      • Apr 2017
      • 131
      • Serbia

      #3
      Re: Toshiba L850-1R1 No image

      Model is PLF/CSF 45W UMA & DSC MB
      Rev 2.1

      Comment

      • sancheti81
        Senior Member
        • May 2014
        • 191
        • India

        #4
        Re: Toshiba L850-1R1 No image

        Originally posted by sojke
        hi guys. I have an toshiba l850-1r1 with i7 quad core and hd7670m graphics. It does not display an image, but it turns off and on instantly as if everything is working, no need to hold power button. Power on and charger ember led are lit during its operation (ember comes on a bit latter). Replace bios but unsure if correct version, no image. Replaced graphics chip but still no image.

        Can any one guess what´s wrong (i didn´t check lvds power)?
        try flashing bios
        Attached Files

        Comment

        • Sojke
          Senior Member
          • Apr 2017
          • 131
          • Serbia

          #5
          Re: Toshiba L850-1R1 No image

          Problem was solved with a brand new graphics chip.
          Laptop would not start with that BIOS (sancheti81).

          Comment

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