MAC REPAIR USING APPLE INTERNET RECOVERY SERVICE
This MAC repair specialist guide will walk you through. How you can restore and repair your Mac OS using APPLE’s internet recovery option. Internet recovery is a great service which APPLE provides. Its free for all MAC computers. There is also a recovery option which I will also mention in this article. One may ask why would I need to use internet recovery. Well there are many reasons to consider. Please keep in mind that Mac repair using internet recovery if a software based solution only. Operating system files can get messed up. We may also delete some system files by accident.
Perhaps the last installed program causes the Mac not to boot. Internet recovery option is perfect for reinstalling the current version OS back on top again. Data does not get deleted because its a simple reinstall. Reinstalling fixes many OS related issues. Complete install option is also available if you choose to do so. Make sure to backup all your data if performing a complete install. Once the internet recovery is up and running under disk manager you can delete, partition and create new disk. How you access the recovery option is easy. Upon startup press and hold command, option and R buttons on your keyboard. You will be required to connect to a network. Either wired or wireless. Depending on the speed of your MAC complete recovery can take between 20 minutes to one hour.
MAC REPAIR LIMITATIONS ON RECOVERY MODE
MAC BIOS holds critical information. For example the first time ever your MAC connects to APPLE servers it completes a handshake and ME region information is set. ME region information is a management engine that tracks and knows when and where you MAC was activated. Mac repair specialists can edit alter, change and modify this information. All of this information is stored in the BIOS chip. Bios chips fail from time to time preventing from doing any installation or connecting to internet recovery mode. When this BIOS chip fails either internally or corrupt software it requires rebuilding from scratch.
Most cases are seen on water or liquid damaged macs. Surprisingly faulty battery can also corrupt your BIOS info and delete your serial number. Serial numbers are unique to each mac. FSYS block holds relevant serial number information. Missing FSYS block is a bad sign as well as a missing serial number. As APPLE will prevent you from connecting to some online services. Modification and changing of mac serial numbers requires and expert mac repair specialist. One small change in the bios fsys block or pram, serial can result in a dead MAC.
CAN NOT CONNECT TO APPLE SERVERS
Having difficulties connecting to APPLE servers may indicate that your MAC wifi card or wifi module is not working. On older unibody model macbooks you can use the RJ45 ethernet to connect directly to your home or office network. For any reason if your still having difficulty connecting than there is a hardware problem. Once connected you may see it is directing you to OS X Yosemite or EL Capitan. This is due to corrupt or faulty BIOS. SMC also has a major role which is linked to BIOS.
We have been building Mac BIOS’s from scratch for Mac Mini, MacBook and iMAC’s for many years. Only a Mac repair specialist with a deep knowledge and expertise should attempt a MAC BIOS repair. I can possibly write books about BIOS and as complex as they are they don’t forgive any slight mistakes. Backup copy of your BIOS can be duplicated so in case your MAC repair fails you can still restore from your original backup.