Stellar Repair for Access Repair corrupt Access files and recover all records and objects in a new database.
Format an External Hard Drive or USB Flash Drive for Mac OS X
Data Recovery for Virtual Machine Recover documents, multimedia files, and database files from any virtual machine. BitRaser for File Permanently wipe files and folders, and erase traces of apps and Internet activity. View All Products. This blog summarizes the 15 worst Mac hard drive and SSD data loss problems with recovery solutions. The mentioned storage drive cases in this blog address to USB, Flash storage drive, external hard drive as well.
Keep these handy in situations of crisis. Problem : When you connect an external hard drive to Mac, it mounts and shows on the desktop. It also appears in Finder. However, sometimes, the disk can fail to mount when you connect it. Solution : Some common fixes you can try are:. If none of these work, there might be something wrong with your external hard drive.
Try to backup your hard drive in question via Disk Utility or a third-party cloning utility so that later, you can erase and reformat the drive with a new file system. Problem : Age and continuous usage can slow a Mac down. Additionally, a lot of other factors can contribute to degrading Mac performance like hard drive becoming too full, macOS being outdated, crowded startup, too many apps running in the background, hardware issues, etc.
Step 2: Edit Boot Camp .plist
Solution : There are a number of things you can do to give your Mac a performance boost:. Taking out the time and patience to manually clean up Mac hard drive and perform other tune-up tasks can easily get frustrating. This product automatically removes system junks, large unused files, duplicates, old apps, and unused login items from Mac hard drive with the click of a button. Solution : There still might be hope for your hard drive.
How to Format a Drive on a Mac
In order to cover all recovery chances from your end, follow these steps:. If none of these steps works, you may need to repair or replace your hard drive with a new one. Problem : While trying to perform partition resizing or reformatting operations, many users report accidentally deleting their partitions having important data. Also, due to issues such as partition table damage, technical issues with the drive, bad sectors, or virus attack, one or more hard drive partitions can get accidentally deleted.
Moreover, if the volume s on your Mac fails to mount, then this software will help recover the volume data smoothly. The platters are quite delicate and are easily damaged by the slightest jerk or drop. If you hear clicking noise emanating from your Mac hard drive when you try to boot up your Mac, that could mean your hard drive has suffered physical damage. DO NOT attempt to open it up and mess around since that could further the damage and lead to permanent loss of the data contained in it.
When this happens, you may also be unable to erase or partition the drive. This mainly happens because the boot drive has been modified somehow or it is being used by some other process or application. This can be done in one of the following ways:.
SOLVED: Disk Utility can't repair my drive? What to do now? - MacBook Pro - iFixit
Doing so will recreate a new HFS file structure on the hard drive, which will be free from cryptic errors. However, every encryption works in conjunction with a decryption key which is used to decrypt or unlock the data before it can be accessed. Mostly, this decryption key is a password chosen by you.
In the event that you lose or forget your encryption password, you might lose access to your data permanently. Solution : First make really sure you are typing in the password correctly. Turn off the Caps Lock and choose the Show Password option just to be double sure. Problem : Data loss from any hard drive is inevitable. With powerful algorithms allowing the software to scan for recoverable data on your Mac hard drive, this software to recover deleted files from Mac is the best bet you have to recoup all your missing data.
You might suspect that your Mac hard drive has started developing bad sectors if it throws any nasty errors saying so or if some information suddenly starts to go missing. Solution : There are several fixes to this problem:.
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Problem : Performing hard drive partitioning operations is fairly simple using Disk Utility. But in some cases, Disk Utility fails to create partitions on Mac hard drive or perform other related partitioning operations. Solution : To resolve the eject issue, you need to tweak the power management settings of your Mac, as shown here:. The above solution will fix the drive auto-eject problem. Now, you can use the hard drive to save and access data usually.
This issue arises due to the incompatibility of file systems. No other operating system is harmonious to the proprietary file system format of Apple. Solution : To fix the issue, do the following:. Now, you can use the storage drive in both Mac as well as Windows computer. Even if you keep your essential data in iCloud and large multimedia files in an external storage drive, your Mac storage drive free space will disappear automatically.
This happens due to the buildup of junk files, temporary files, caches, logs, and leftovers of application. Solution : To resolve the drive space disappearing issue, you need to make more space available on your startup disk by deleting temporary files:. You can delete all the temporary files from specific folders present in the Library folder, such as Logs, unneeded iTunes files, and Application Support files. This frequent temporary file removal will increase free space on your Mac and prevent drive disappearing issue.
Alternatively, you can use Stellar SpeedUp Mac utility to perform the task readily. Problem : By using the First Aid tab present in Disk Utility, you can fix your hard disk drive or other storage drives for errors, bad sectors, etc. Ask Different is a question and answer site for power users of Apple hardware and software.
It only takes a minute to sign up. This is my first question on this website. I am using a Mac Air, and I have a flash drive in which I can read from. I am able to copy files from this onto my Desktop, or anywhere on my computer for that matter. I cannot write to my flash drive, however.
I know this is a common problem for some people. I looked into their solutions. There is one difference between the cases I've found, and my case. The flash drive's format is normally a 'NT' format, which is a Window format from my understanding. It did tell me I had removed it wrongly before. I am not sure how to fix the flash drive. Do I reformat it? If so, how and what do I format it to. Please let me know. ExFAT should work as well. It is not outside the bounds of possibility that the drive itself has gotten zapped somehow and is damaged, thus not operating correctly.
- 15 Worst Mac Hard Disk Drive Problem with Solutions.
- Disk Utility can't repair my drive? What to do now?.
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- Disk Utility won't erase my USB flash drive ("Couldn't open device") - Ask Different.
If it doesn't work, chuck it. Since flash drives are so inexpensive now, get a few more of them in larger capacities. Lastly, above some flashdrives have a physical write-lock read-only hardware switch. If your flash drive has such a switch, perhaps it is locked?
So, here's what I did after much face-palming and cursing of Apple and their absolute disregard for their users:. In this case, I would tend to think the hardware write lock switch is in the on position on the SD card. Formatting is sure an a option, but what if that flash drive is not yours or you have info on it? Had the same problem, downloaded, installed, no more problems, easy life. From the right hand side, choose Partition, change layout to 1, and format to ExFat, and see if that helps. How many files are on the drive? FAT32 has a maximum number of files per volume. Assuming that the drive is formatted with 32KB clusters, only ,, files can reside on a FAT32 drive at once.
Is the 1. How big is the file that you are copying to the drive? FAT32 Wikipedia page. If I insert the drive after the machine has booted it will always mount read-only. There's no physical switch for disabling the read, but I suspect that somewhere Mac OS thinks that switch is enabled and somehow it doesn't check when it's booting. I did manage to remount it read-write as shown below, but rebooting though frustrating behaves better and feels safer than doing it the other way and getting messages about it being damaged.
Only one side can be used at a time, both access the 32Gb FAT32 storage.