If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
SELECT EDRIVE SIZE TECH TOOL PRO PRO
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. Wait until the operation completes, then quit DU and return to the installer. If no errors are reported click on the Repair Permissions button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If it does not say "Verified" then the hard drive is failing or failed. In the DU status area you will see an entry for the S.M.A.R.T. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. When the menu bar appears select Disk Utility from the Utilities menu. After the installer loads select your language and click on the Continue button. If you perform any work yourself that is unapproved by Apple, then you will void any warranty you may have and lose all further Apple Support.īoot from your Snow Leopard Installer disc. Please don't start removing drives or changing cables unless you know what you are doing and have exhausted other non-invasive alternatives outlined here. Note that the information I have provided is what Apple recommends, If other users suggest different solutions than found here, then be sure what they recommend does not impact on your warranty, if any, or ability to get continuing Apple service. The disk drive is physically non-functional - Replace the hard drive. Critical system files are damaged or deleted - Reinstall OS X.ĭ.
Boot drive's directory has been corrupted - Repair with Disk Utility.Ĭ. Problem with the computer's PRAM - See Resetting your Mac's PRAM and NVRAM.ī. In most cases the problems may be caused by one or more of these:Ī.
SELECT EDRIVE SIZE TECH TOOL PRO MAC OS
Mac OS X- Gray screen appears during startup Solutions may be found in:Ī flashing question mark or globe appears when you start your Mac Their causes are outlined in Intel-based Mac- Startup sequence and error codes, symbols. These are related but not identical issues.
Question (?) Mark, Blinking Folder, or Gray Screen at Startup Anyone here knows what part might be damaged and causing this issue? What would I need to replace, or should I just have it repaired at a local store? I saw that the connector often is the problem, but I took a look at it and I don't see any visual damage.Īs the machine obviously took a hit when I dropped it, I'm guessing there might be some other damage to the machine that makes it not able to access the hard drive. Now I looked up if there were any other parts that might cause the machine not being able to access the hard drive normally. I tried all of the hard drive fixes by using the disk utility tool and such, but this obviously won't work, as the hard drive is not the problem. I took out the HD and tried to access it remotely, thats when I figured out the hard drive is still functional and I was able to boot the machine by connecting the hard drive externally. This made me think the hard drive broke when I dropped the computer, and I opened the machine to see if that was the case. I figured this was because the machine was no longer able to access the hard drive. When I power up the computer I end up with a blinking folder. Now I am not able to boot the Mac normally. So basically I was a fool and managed to drop my Macbook Pro.
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