Jul 30, 2017 Set the Format type to Mac OS Extended (Journaled.) Click on the Apply button, then click on the Done button when it activates. Quit Disk Utility and return to the Utility Menu. Select Reinstall OS X and click on the Continue button. This should install the version of OS X that was pre-installed when the computer was new. Mac OS X Snow Leopard offers a First Aid pane. This feature of Disk Utility lets you check almost any disk for errors, as well as repair any errors that it finds. Here are the two exceptions when the buttons are disabled: The start-up disk: Disk Utility can’t repair the start-up disk, which makes sense. Two options for use in the Terminal are the 'diskutil' command, and the 'fsck' command. Both of these can be used to check the hard drive for errors, using the following syntax. Apr 17, 2020 Millions of Windows 10 users still have mechanical hard drives in their PCs. To keep them healthy and to help investigate any unusual behavior, try the venerable CHKDSK command. Here's how to use it in Microsoft's latest operating system.
Jun 08, 2020 • Filed to: Solve Mac Problems • Proven solutions
In all likelihood, you’re more acquainted with formatting an external hard drive than your Mac’s internal one, aren’t you? That’s often the norm because there’s rarely ever a need to format your internal drive. But regardless of what type it is, errors can still restrict it from reading and writing data. This means you can’t store files and neither can you copy or delete anything from the drive. At times, formatting your drive could be the only logical solution to fixing it; other times, simple fixes could get it working again.
Part 1: How to Format Hard Disk on Mac
The simple reason you might want to completely wipe your Mac’s internal drive is that it has encountered one serious error or another. Apple has given you several options to choose from should you ever need to format or reformat your drive. No one needs to tell you formatting your Mac’s drive entails reinstalling the macOS afterward, right? As long as you’re aware of that, you’re good to go.
1. How to Format New Hard Disk
Formatting a new disk, in the simplest of terms, means setting up a file system in the new drive to work with your macOS. There are different file systems, as you’ll soon find out, and each has unique features that some of the other file systems may or may not have.
a) Start up your Mac and press the “Option” + “⌘” + “R” keys to boot into 'Recovery'. Let go of the keys once the Apple logo or spinning globe comes on. The “Utilities” window will then show up.
b) Click on “Erase” to format the new hard disk. If you’re prompted, choose “macOS Extended (Journaled)” or any of the other file systems based on your needs or preference. This is also where you give the drive a name.
c) Go back to “Disk Utility” and select “Install macOS”. Restart your Mac once it’s done. The end.
2. How to Reformat Hard Drive
You can think of reformatting your drive as a way to reset it by putting a new file system into the drive to supplant the old one. It can also mean putting the same file system in the drive to fix it if it’s faulty. Reformatting your drive will get rid of your files, of course, but it also gets rid of any errors.
Related: Further read and know more complete details on undeleting files on Mac.
a) Yes, you’re going to be using “Disk Utility” again. Matter of fact, you’ll be seeing this tool a lot throughout the article. Now, fire it up!
b) Look to the left of the “Disk Utilities” window and select the drive to be reformatted. Click on the “Erase” button.
c) Follow prompts to select a file system. Choose “Mac OS Extended (Journaled)” or another file system if you’re aware of what each of them offers. Click “Erase” and let the disk be formatted. Restart your Mac and you’re done here.
3. Video Tutorial on How to Format an External Hard Drive4. Tips for Formatting HDD on Mac![]()
Part 2: When You Need to Format Disk on Mac
There’s nothing complex about what formatting HDD is used for. It completely erases the contents of your Mac’s drive. That’s simple enough for anyone to understand, but the ramifications of formatting a drive are very broad. A single click of a button can mean the erasure of decades’ and terabytes’ worth of files. That brings up the question of when it becomes necessary for you to format the drive in your Mac.
Part 3: Different Formats of Mac Hard Drive
The file formats out there waiting to be used by you are few. Knowing the right one to choose depends on what you intend the drive to be primarily used for. Have a read below and determine which one best suits your needs.
Okay, those are the file systems, but how do you know which one of them your Mac is using?
1. Open up “Disk Utility” and select the volume or drive. Open up “System Configuration” and choose “Storage”.
2. Choose the volume in “Finder”, then select “File” and “Get info” from the menu bar. The next window will show you the Format of the disk. Part 4: How to Fix Errors When Formatting Mac Hard Drive
Formatting your drive should be an affair that takes up, at most, minutes of your time. But of course, this isn’t always the case, is it? Sometimes, your Mac just decides to make things a little harder for you. Don’t sweat it. A few solutions have been rounded up and written out for you down below.
Problem 1. Unable to Format Hard Drive
Does your Mac show you errors similar to what’s in the image below? Chances are you don’t even know what causes them. Thankfully, fixing them is a breeze.
1. Open up “Utilities”, then your “Applications” folder. Find “Disk Utility” from the list and launch it. Google chrome download for mac os x 10.6.
2. Click on “View” and choose “Show All Devices” in the dropdown menu. Next, you choose the “Top Volume” of the drive to be formatted.
3. Click on “Erase”, then give a name to the drive. When it comes to “Format”, you can either choose APFS or Mac OS Extended.
4. Choose a “Scheme” (go with “GUID Partition Map”). Click on “Erase” and wait until you see the green checkmark. That means it’s done.
Problem 2. Erase All Disk Data Without Backup
By now, everyone who handles large amounts of data should be diligent in making regular backups of their files, right? Nope, because there’s always that one guy who only decides to do this when it’s too late. Have you ever been in such a situation?
If you have, why not prepare yourself for a similar eventuality? Download and install Recoverit Mac Data Recovery to safeguard your files against accidental deletion and crashed drive; or if you simply forget to backup your data prior to formatting your drive. The steps below will show you how to do this.
Step 1. Choose a Location
Launch Recoverit and select the hard disk to be scanned (the one that was formatted). It will be among the other drives displayed on the first window you see once the software opens up. Click “Start.”
Step 2. Scan the Location
Use “File Type” and “File Path” to narrow your search and make it easier to recover particular files-as against everything you lost. The scan will end after a given time and show you a preview of your lost files.
Step 3. Preview & Recover Formatted Data
You will see check boxes to the left of the Recoverit window. Those are the files you came looking for. Select particular ones or all of them. Click the “Recover” ribbon and the files will be recovered. And don’t forget to save everything you’ve recovered onto a new drive.
Don’t bother yourself with the format of your Mac’s disk or how much data you lost. Recoverit’s tools and features mean it’s perfectly capable of recovering data which was erased hours, weeks, months or even years ago. Surprised? Yeah, it has that much power. Just download, install and run it. It doesn’t get any easier than that, does it?
Problem 3: Hard Drive Not Showing up
When your drive is not mounting on Mac, here are two solutions to help you.
1. Boot Mac into Recovery Mode
2. Change Finder Settings
Closing Words
It’s good to be cautious when it comes to formatting your Mac’s drive but don’t worry yourself by thinking it’s something complicated and time-consuming. Any hard drive error you come across while using your Mac is something easily rectifiable. The only time you may need an extra set of hands to help you out is if the drive is failing due to hardware damage. And if the problem is that you’ve erased everything and plan on getting formatted drive data back, Recoverit is there to help out with that too. Either way, follow every step written here and you’re good.
What's Wrong with Mac
Hard disk maintenance is one of the few regular maintenance routines that I recommend people do for their Macs. Your hard drive’s formatting is the structure used by the system to store and retrieve every file saved to the drive. In most Mac systems, the boot drive will be using Apple’s Mac OS Extended (HFS+) filesystem format, which is a collection of fast-access “B-tree” databases that store where a file is located on your drive, its logical hierarchical organization, and attributes such as file ownership and access permissions.
If damage occurs to your filesystem structure, then data-access problems can occur, leading to slowdowns, hangs, or crashes. In more severe cases, filesystem corruption can result in continual data corruption, meaning that data written to the drive can be irrecoverably damaged.
In many cases, corruption to the filesystem can start as a small issue, but then grow as additional damage occurs or perpetuates from the original corruption. Therefore, it is best to regularly ensure the filesystem on your Mac is healthy, especially if you have ever lost power or had to force-restart your Mac.
For the routines below, keep in mind that you can only verify the boot volume, and will not be able to repair it. To do this, you will have to boot to Recovery Mode () or to another partition other than your boot volume.
Disk Utility
With your drives selected in Disk Utility, clicking Verify Disk will check them for errors. Note the Repair option will be available for all drives except for the boot drive.
The first option for checking the hard drive is Apple’s Disk Utility program, located in the Applications > Utilities folder. To use this, follow these steps:
Mac Os X Scan Hard Drive For Errors Free
Note that in step 2 above, you can select multiple drives (or all of them) to verify or repair them all at once. To do this, hold the Command key to add or remove additional drives to the selection by clicking them, or press Command-A to select all drives in the list.
Terminal
While Disk Utility is the most intuitive approach for checking your drive, you can also do so in the OS X Terminal using either the “diskutil” command, in the following manner:
1. Open the Terminal and run the following command:
diskutil list
In the output, find the name of your volume in the NAME column, and then note its identity in the IDENTIFIER column (this will be something like “disk0” or “disk1″—do not worry about the “s1” or “s2” components of the identifier).
2. Now run the following command using the proper identifier to check the drive’s partition scheme, replacing “DRIVEID” with that you determined from the command above:
diskutil verifyDisk DRIVEID
3. Next, run the following command using the proper volume name determined above in place of “VOLUMENAME”
diskutil verifyVolume VOLUMENAME
Note that if the volume name has spaces in it, then you will either need to encase the name in quotes, or use a back-slash to escape the space character, such as the following:
0016diskutil verifyVolume “Macintosh HD” If your volume name has odd characters in it (such as emoji) that cause problems when typed in the Terminal, then you can specify the volume using the full identifier (using the “s1” or “s2” that were disregarded above), or if you are trying to target the boot drive only, then you can use a single forward slash to specify the root device:
diskutil verifyVolume Macintosh HD Mac Os X Scan Hard Drive For Errors Windows 7
diskutil verifyVolume disk0s2
diskutil verifyVolume / https://aholicdisakaiser.weebly.com/blog/davinci-resolve-software-for-mac-os-x. Single-User mode
In addition to diskutil, OS X includes the “fsck” command, which similarly can check and repair your drive. This command is available if you boot to Singe-User mode in OS X by holding the Command-S keys at startup. The differences when running this command are that you will need to specify the disk file by its full path (in the /dev directory), such as the following examples.
Mac Os Error 50
sudo fsck_hfs -f /dev/disk0s2
sudo f sck_hfs -fy /dev/disk0s2 Preventing Corruption
Even though with added features like Journaling, Apple’s HFS+ filesystem is fairly stable, it can still become corrupted in the event you experience a power outage, or have to force-restart your system (especially during boot-up, or otherwise when the disk is being actively read and written to). Therefore, to help prevent filesystem corruption, avoid holding the power button to force-restart your system as much as possible.
Mac Os X Scan Hard Drive For Errors Windows 10
For external drives you use with your system, be sure to properly eject them before unplugging them. If the drives sometimes unmount unexpectedly, then try rearranging how they are attached to your system, replace cables, and avoid daisy-chaining them together. In addition, be sure to use an external power supply for the drive, if one was provided by the manufacturer.
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