LA-5891P UMA ENABLE PROBLEM

Discussion in 'Computer Hardware Repair' started by synapsea, Mar 24, 2017.

  1. synapsea

    synapsea Well-Known Member

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    I have tried this method on 2 motherboards la-5891p but the same problem no video on post card on one stuck on 17 code on other 16 code stay on 30 sec consume 1,2A and restart again the same .

    PC169 is shorted with gnd on diode mode red probe on gnd black probe on +pc169 i have 0.040v so is shorted.
    also i tried to remove PL14 but same problem no video .
     

    Attached Files:

    #1 synapsea, Mar 24, 2017
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  2. technical

    technical Moderator Staff Member

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    Try Programming bios and check chip GPU
     
    #2 technical, Mar 25, 2017
  3. synapsea

    synapsea Well-Known Member

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    How check gpu please ?
    And with how dump ? (La.5891p)
    Before making this changes all 2 matherboard with little reflow of gpu start normal.
    I have buy your method of uma enable maybe on this model there's something missing .
     
    #3 synapsea, Mar 25, 2017
  4. technical

    technical Moderator Staff Member

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    Heat it or Reballing ....
     
    #4 technical, Mar 25, 2017
  5. synapsea

    synapsea Well-Known Member

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    sorry what to heat?????? if gpu after modify for uma enable with heat start machine OK. BUT I NEED TO DISABLE ATI AND TO ENABLE UMA . I THINK ON YOUR FOTO (on your post uma enable) on this model something missing. any help please someone have tried this method on this machine la-5891p ?????????
     
    #5 synapsea, Mar 25, 2017
  6. yousup meah

    yousup meah New Member

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    try this
     
    #6 yousup meah, Feb 11, 2019
  7. ahkh_72

    ahkh_72 New Member

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    hi chek this method
    I test it ok
     

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    #7 ahkh_72, Mar 9, 2019
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