1. Contact me when urgent support is needed.
    Mail: [email protected], Skype: Vinafix
    Dismiss Notice

LA-5891P UMA ENABLE PROBLEM

Discussion in 'Computer Repair' started by synapsea, Mar 25, 2017.

  1. synapsea

    synapsea VIP PRO

    Joined:
    Mar 22, 2016
    Messages:
    69
    Likes Received:
    11
    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:

  2. Loading...

    Similar Threads - 5891P ENABLE PROBLEM Forum Date
    Acer-Gateway Acer Aspire 4741Z 4741ZG 5741 5741G 5741Z 5741ZG Compal LA-5891P Schematic Laptop May 11, 2014
    UMA enable DV6-6c52el Computer Repair Jan 24, 2017
    AX168 uma enable not fuction Computer Repair Jan 4, 2017
    How to enable Anywhere in macOS Sierra Apple - macOS Sep 27, 2016

  3. ThienBui

    ThienBui CEO Staff Member

    Joined:
    Dec 13, 2013
    Messages:
    56,064
    Likes Received:
    4,066
    Try Programming bios and check chip GPU
     
  4. synapsea

    synapsea VIP PRO

    Joined:
    Mar 22, 2016
    Messages:
    69
    Likes Received:
    11
    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 .
     
  5. ThienBui

    ThienBui CEO Staff Member

    Joined:
    Dec 13, 2013
    Messages:
    56,064
    Likes Received:
    4,066
    Heat it or Reballing ....
     
  6. synapsea

    synapsea VIP PRO

    Joined:
    Mar 22, 2016
    Messages:
    69
    Likes Received:
    11
    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 ?????????
     
  7. yousup meah

    yousup meah SUPER VIP

    Joined:
    Apr 15, 2015
    Messages:
    4
    Likes Received:
    0

Share This Page

  • Get Help Fast

    • Skype: Vinafix
    • Whatsapp: +84919476686
    • [email protected]
    • www.vinafix.com
    • www.vinafix.vn
    • www.vinafix.net

    Payment Methods
  • Vinafix

  • Calculate the voltage

    Input V in : V
    R a : Ω
    R b : Ω
    Output V out : V

    DMCA.com Protection Status
Vinafix.com
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice