![]() ![]() Carefully place some electrical tape where the cable bends over a sharp edge and make sure the rubber shock grommets are present on all four of the drives mount points. In your case it sounds like its just on the edge. These cables have a bad track record of failing. Here's the IFIXIT guide: MacBook Pro 13" Unibody Mid 2012 Hard Drive Cable Replacement. You'll need to replace the HD SATA cable. If its the equal or you have something newer then what the T/N has then you're OK. You'll need to us an external boot drive (USB thumb drive or your external case with your new drive in it) to copy off from the other system the firmware updater and then run it on your system. If device is a (partition map-bearing) whole disk, then the new partition will automatically be placed last in the map. Follow this Apple T/N: About EFI and SMC firmware updates for Intel-based Mac computers. OK here's my list of things to do:Ĭheck your systems firmware to make sure its the newest. So that points us to something within your system that needs looking at. So we know the drive is OK as you can prep it up externally on a second Mac. Before I do that, I'd welcome your advice. Īny advice on what to try? My only thought is to uninstall the drive, initialize it as an external disk on another machine, and re-install. Wiping volume data to prevent future accidental probing failed. Press Done to continue." The details tell me the following: Unmounting disk. The message I receive is "Erase process has failed. I've tried to reformat using the Erase function (choosing Format: OS X Extended (Journaled) and Scheme: GUID Partition Map) without success. Running First Aid is Successful (whatever that means.). If Disk Utility reports that the disk appears to be OK or has been repaired, you’re done. When the First Aid process is complete, click Done. In the First Aid dialogue, click Run, then follow the on-screen instructions. Other details are: Location-Internal, Capacity-1TB, Connection-SATA, Child Count-0, Partition Map-Not Supported, Type-Disk, SMART Staus-Verified, Device-Disk0. In the sidebar, select the storage device, then click the First Aid button. That (magically) has allowed me to get to Disk Utility and see what is happening.ĭisk Utility tells me the drive ST1000LM014-1EJ164 Media is Uninitialized. ![]() However, I have an external USB flash drive 8GB with El Capitan installer mounted as external drive. Have been getting the flashing folder with ? mark. Something is going on in the boot stage.Just installed a 1TB Drive but neglected to initialize before installation. I tried mounting the efi partition through efi mounter than running repair disk but still no avail. At first I could repair disk and it would say it fixed it but upon restart same issue with the EFI partition map error but now it doesnt even fix it just says backup data and repartition. A similar thread is here:Īnyways I can see the drive in disk utility but its greyed out. I looked up this issue and others have had it except I dont see a clear solution anywhere. Of course I checked all the basics like making sure all plugs connected, verifying and repairing disk, and checking my board design routed all sata connectors through the main intel chip and not a separate marvel chip needed a driver. One day after no changes had been made to system it wasnt mounted. I had a 2tb WD black storage drive hooked up via sata format exfat and it was working/mounting fine. Basically i had/have a stable 10.10.2 yosemite build. ![]() Something odd happened and I was hoping to get some help. Building a CustoMac Hackintosh: Buyer's Guide The GUID Partition Table (GPT) is a standard for the layout of partition tables of a physical computer storage device, such as a hard disk drive or. ![]()
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