Apple this week issued a pair of firmware updates, resolving a flickering graphics issue in late 2008 15-inch MacBook Pro models and addressing a hanging graphics issue on iMacs. The iMac Graphic FW update fixes a graphics issue that could cause Apple's all-in-one Mac desktop to hang "under certain conditions." The 481KB download requires OS X Lion. The MacBook Pro firmware update is recommended for 15-inch, late 2008 models. The fix resolves a graphics issue that may cause the internal display to flicker. The overview of upgrading your firmware is to download the Firmware utility, download the firmware, run the upgrade, and finally check that it all worked out. The file is a 1.79MB download and requires OS X 10.5.8, OS X 10.6.8 or OS X 10.7.3.Īpple has released a slew of EFI updates in recent weeks. Last month, the company issued several updates for 2010 Mac models that added support for Lion Recovery over an Internet Connection. Other recent updates include a Wi-Fi update for the iMac and EFI firmware stability fixes for 2011 Mac models, including the MacBook Air, iMac, MacBook Pro and Mac mini.NO. I have 3 other drives in the bays so someone suggested to pull the other drives and leave one drive. The update describes various fixes including. I have not taken the time to do so thanks to work, life, family, etc.…. 1 Apple released a number of EFI Firmware Updates for the iMac, Mac Pro, MacBook, MacBook Pro and Xserve today. Alternatively, I may try to just put a new drive in and have nothing on it but the OS and then try. My issue is that I need to put my think cap on as how to do this. It is is very odd and I do not understand why it is so difficult. I am assuming that if I update the firmware, then switching drives back into the system will not matter as the firmware will not reset. #Macbook pro efi firmware update 2.8 update If you find a solution, please post and copy me!!! Good luck!!! I am a techie but not a superstar (in other words, I know enough to be dangerous and can solve matters but am not in the computer field). I found a video on YouTube and the owner of the video was responsive and tried to help me thus the removal of the hard drives was suggested. Étape 1 Pour que ca marche sur le macPro 4,1 2009 il faut avoir MacOs 10.11 avec une connexion internet et la version Createinstallmedia USB installée. Étape 2 Bouton power et pomme +R pour refaire une recovery et csrutil disable dans le terminal …. De lenvironn MacOS, jai ouvert le package. dmg pour l’efi, il me dit que ce n’est pas le bon système donc je passe et sauvegarde le paquet sur mon bureau double clic, le programme de flash âge 2009-2010 pour l’efi de macPro crée un ramdisk et me propose d’éteindre le mac et lancer la procédure Étape 3 :mais en redémarrage à la deuxième étape les baies de lecteurs optique sont ouvertes après que la led clignote rapidement puis lentement. I have that mac pro 2009 with original graphics card and every thing running os x 10.6.0 (snow leopard) donc il faut encore éteindre et rallumer manuellement pour obtenir le signal sonore ´wiwiwiwî ´ et la pomme avec une barre de chargement élargie mais qui reste une demie seconde a l’écran puis redémarre et après pomme +R pour refaire une recovery et csrutil enable pour réactiver le verrouillage du firmware. I have tried almost all the youtube tutorials on how to upgrade and flash firmware 4.1 to 5.1 but so far its been impossible. #Macbook pro efi firmware update 2.8 how to One thing i have not been able to do on this mac is disable ISP, i have tried all the commands that may take me to the utility boot up screen by pressing command R and other combinations but nothing. Then i heard a guy on YT that says before os x el capitan you dont need to do this, but i have a feeling he is wrong. #Macbook pro efi firmware update 2.8 pro.#Macbook pro efi firmware update 2.8 update.#Macbook pro efi firmware update 2.8 how to.Type "sudo bless -mount / -firmware MB61_00C8_B02_LOCKED.Make sure your laptop is hooked up to a reliable power source.Type "mv MBP55_00AC_03B_LOCKED.scap MB61_00C8_B02_LOCKED.scap" without the quotes and press Enter/Return.Type "cd Desktop" without the quotes and press Enter/Return.Click the Extract button in Pacifist and enter your password if prompted and press OK (might need to enter your password twice).Drag MBP55_00AC_03B_LOCKED.scap to the Desktop.Expand: Contents of MacBookProEFIUpdate.pkg -> Contents of MacBookProEFIUpdate.pkg -> Applications -> Utilities -> MacBook Pro EFI Firmware Update.app -> Contents -> Resources.Open Pacifist and then drag the MacBookProEFIUpdate.dmg into it.Install Pacifist: (or whatever software you like using to extract files).Download (MacBook Pro EFI Firmware Update 1.7).Do a clean install of Yosemite (this should be optional, but it never hurts to start clean). How to install the firmware from a MacBook Pro "Core 2 Duo" 2.26 13" onto a MacBook "Core 2 Duo" 2.26 13" (Uni/Late 09) :
0 Comments
Leave a Reply. |