Help Macbook Pro A1286 820-2915 blank screen

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • marcelofct
    Senior Member
    • May 2019
    • 122
    • chile
    #1

    Help Macbook Pro A1286 820-2915 blank screen

    Hello friends, I need someone to help me clean ME the bios that I leave attached since the macbook pro a1286 SN: C02FDHXPDFF8V 820-2915 loads the logo and then the screen is left blank, I think it could be bios

    Greetings and thank you very much in advance
    Attached Files
    Tags: None
    • vladimir1909
      Member
      • Apr 2016
      • 20
      • Peru
      #2
      I dont think is a Bios related issue. To me sounds more like a gfx issue. Try to boot in safe mode.
      If boots, is not bios but gfx issue

        Comment

        • vladimir1909
          Member
          • Apr 2016
          • 20
          • Peru
          #3
          Forgot to attach this modded bios in case is a gfx issue, flash this bios and it will disable the faulty gfx card and use integrated intel graphics.
          Attached Files

            Comment

            • marcelofct
              Senior Member
              • May 2019
              • 122
              • chile
              #4
              Originally posted by vladimir1909
              I dont think is a Bios related issue. To me sounds more like a gfx issue. Try to boot in safe mode.
              If boots, is not bios but gfx issue
              i tried that and same problem ,
              I'll still try again thanks
              Last edited by marcelofct; 01-30-2025, 10:27 AM.

                Comment

                • alfredposadas09
                  Badcaps Veteran
                  • Aug 2020
                  • 342
                  • Philippines
                  #5
                  try to perform gmux gpu disable

                    Comment

                    • marcelofct
                      Senior Member
                      • May 2019
                      • 122
                      • chile
                      #6
                      Originally posted by vladimir1909
                      Forgot to attach this modded bios in case is a gfx issue, flash this bios and it will disable the faulty gfx card and use integrated intel graphics.
                      i tried bios your post and works but a wanna try a clear me region , gracias
                      Last edited by marcelofct; 01-30-2025, 02:53 PM.

                        Comment

                        • vladimir1909
                          Member
                          • Apr 2016
                          • 20
                          • Peru
                          #7
                          Originally posted by marcelofct

                          i tried bios your post and works but a wanna try a clear me region , gracias
                          Glad to hear it worked.
                          Abrazo brother

                            Comment

                            • clicfix
                              New Member
                              • Oct 2023
                              • 4
                              • France
                              #8
                              Hi,
                              I need your help for A1286 Macbok Pro (820-2850-A), I have password EFI on my bios and I can't restore my MacOS,
                              I triyed to read my bios but I didn't find $SVS .
                              My bios is a Microchip component SST25VF032B, If someone could explain it to me that would be great.

                              Thanks.
                              Attached Files

                                Comment

                                • peste
                                  #8.1
                                  peste commented
                                  03-25-2025, 12:57 AM
                                  Editing a comment
                                  post merged..next time look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread..
                                • peste
                                  Super Moderator
                                  • Dec 2016
                                  • 12238
                                  • ROMANIA
                                  #9
                                  Originally posted by clicfix
                                  Hi,
                                  I need your help for A1286 Macbok Pro (820-2850-A), I have password EFI on my bios and I can't restore my MacOS,
                                  I triyed to read my bios but I didn't find $SVS .
                                  My bios is a Microchip component SST25VF032B, If someone could explain it to me that would be great.

                                  Thanks.
                                  try this..Change the RAM configuration and reset PRAM three times in a row...
                                  Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                                  >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                                  Every donation made will go towards server fees and maintenance costs.

                                    Comment

                                    • clicfix
                                      New Member
                                      • Oct 2023
                                      • 4
                                      • France
                                      #10
                                      Originally posted by peste

                                      try this..Change the RAM configuration and reset PRAM three times in a row...
                                      It works!
                                      Thank you

                                        Comment

                                        Previous template Next

                                        Related Topics

                                        Collapse
                                        • Ryan.man
                                          Macbook 2017 with touchbar (A1706) won't turn on after removing the screen
                                          by Ryan.man
                                          Hello everybody! Posting this in hopes somebody has some expertise that leads to a clear path of troubleshooting that saves me a lot of time!

                                          My macbook has the flex cable problem, the one that prevents the screen turning on. Ive been dealing with this for the last 3 years. Last year it went dead and I managed to fix it following youtube tutorials. But my fix wasnt the best, the problem returned a month later. This week, it went dead again. I again tried to fix it.

                                          This time the original cable broke too close to the screen, it can't be fixed without tearing the screen...
                                          02-04-2025, 12:23 PM
                                        • resistor83
                                          Macbook pro 15" 820-2915-B 2011 A1286 boot on but black screen
                                          by resistor83
                                          Hi everyone, I have this 2011 MacBook Pro 15" model 820-2915-B which has a problem.
                                          I turn it on, the startup sound is heard but the screen doesn't turn on, not even the backlight. The keyboard lights up after a while and the capslock works. If I press any key I can hear sounds as if the system is booting.

                                          I thought it was a screen problem but after changing it the problem remains.

                                          What could I do?
                                          09-14-2023, 12:38 PM
                                        • MagJ_
                                          MacBook Air M1 A2337 Screen Replacement - keeping TrueTone
                                          by MagJ_
                                          Hello Everybody,

                                          I have a cracked screen and want to fix it. Usually, TrueTone will be gone as long as one does not prune open the screen and exchange only the LCD. However, I have seen the following Youtube video https://www.youtube.com/watch?v=MBNqhp6p_ZM, Solve MacBook M1 Pro screen true tone issue from the channel Master Liu, where only two chips called "display control chip" and "code chip" are swapped over to the new screen. I know, it is for the MacBookPro version. Though, I had the hope that it could work similarly for the MacBook Air as well.
                                          ...
                                          10-09-2024, 02:51 PM
                                        • Chrissygizmo
                                          Panasonic TX-48CX350B backlights but white screen , blank screen
                                          by Chrissygizmo
                                          Hi all, I’ve got a problem I hope someone can help me fixi.
                                          I have a Panasonic TX-48CX350B tv , it powers up ok but the screen is blank, the backlights are working, there’s nothing else though, no picture or sound. I’m not sure what the fault is called whether it’s BLANK/ BLACK/ or WHITE SCREEN I’ve actually came across this before on a similar tv but just ended up scrapping it, I will upload pictures of the boards etc , if anyone could help me I would really appreciate it...
                                          01-11-2025, 03:18 PM
                                        • sofles
                                          Macbook Pro 16" A2141 screen artefacts, kernel panic
                                          by sofles
                                          Hi there.

                                          I have Macbook Pro 16" 2019, model number A2141, motherboard number 820-01700. I have some problem with dedicated graphic card. When Macbook switches to dedicated GPU it is getting instantly hot and starts to show glitches on screen, then it freezes (trackpad is not clicking anymore) and shuts down.
                                          I tried to reinstall MacOS But it was a pain, it started to show glitches in middle of installation and I could not finish it. I only was able to reinstall MacOS when I put Macbook outside (it is winter and -2 Celcius).

                                          Now situation looks like this, If...
                                          02-05-2025, 05:05 AM
                                        • Loading...
                                        • No more items.
                                        Working...