For Mac owners, one of the most annoying/inconvenient aspects of owning a Mac is the external drive compatibility. In many cases, we learn that the native format of external drives that work seamlessly with our Macs simply won’t work (or will just work in some limited form) with Windows PCs and other devices (like your PS3 for example). In this post, we’ll try to clarify this situation and then we’ll show you how to erase/format any external drive on your Mac. To start, here’s a brief explanation on the different disk formats that you can choose from when formatting an external drive on your Mac and the different pros and cons of each.
![Best format for external hard drive mac Best format for external hard drive mac](/uploads/1/2/5/3/125355229/449408391.png)
The Best External Hard Drives for Mac. Buying an external hard drive for your Mac is not all that different from buying one for your. Cupertino switched to an entirely new file format.
Choosing the Right Format Mac OS Extended (Journaled) Pros: This drive format is the perfect choice for working exclusively across Macs. It supports some of the most important features of the system, such as Versions, as well as allowing your drive to work as an.
There is no size limit for the files you can transfer between Macs using this format. Cons: This drive format can be read by Windows PCs, but you won’t be able to write files on it. This allows you to transfer files from your Mac to your PC but not the other way around. MS-DOS (FAT) Pros: Also known as FAT32, this format allows you to use your drive universally across Macs and PCs with no restrictions when reading or writing files on both systems. Another great plus of this format is that it is recognized by most non-computer systems, such as video game consoles (like the ) TVs and more.
Cons: The big issue with the FAT32 format is that it doesn’t support files larger than 4 GB, so if you plan to transfer or simply copy files that are larger than that size, you are out of luck. Cool Tip: We’ve previously written about the,. You might want to check them out. ExFAT Pros: The exFAT format is perhaps the best choice among all these, but it still suffers from a few drawbacks (noted below). As for its pros, it behaves just as the FAT32 format but with one great plus: It supports file sizes larger than 4 GB, allowing you to easily move them between you Macs and PCs. Cons: As mentioned above, since this format is relatively new, its main drawback is that most consumer electronics (including TVs, cameras, and video game systems) don’t support it. So for example, if you want to put a movie on your drive to watch on your TV, you are out of luck.
Formatting/Erasing Your USB Drive on Your Mac Now, let’s learn how to format any external drive on your Mac using Disk Utility. Important Note: If you have important data on your USB drive, make sure to back it up before formatting your it. Step 1: Connect your USB drive to your Mac and make sure it shows as mounted on your system. Step 2: Head to the Utilities folder within the Applications folder and open Disk Utility. Once open, you will see your USB drive on the left sidebar of Disk Utility. Click on the icon for your external USB drive (the top one as shown on the picture below) to select it.
![Best Format For External Drive Mac Best Format For External Drive Mac](/uploads/1/2/5/3/125355229/455020230.gif)
Then click on the Erase tab at the top of the window. Step 3: On the Format: section, select your desired format, then give your USB drive a name in the Name: field and then click the Erase button. Optional Step: If you would prefer to erase the to prevent any data recovery program from extracting it, click on the Security Options button. On the Secure Erase Options panel you can use the slider to select between a Fast (regular) erase or the Most Secure one, which will rewrite over your data 7 times to ensure it is completely deleted.
And there you go. Now you know exactly which format is the most convenient for your needs and best of all, you also know exactly how to apply it to your external drive. Last updated on 8 Feb, 2018.
Most of the time, when you connect an external hard drive to your Mac’s USB port, you soon see it mount on the desktop. Apple likes to ensure these are easy to find, so they also appear in the Finder in the left-hand column under Devices, since Mac’s treat them the same way as another computer. However, sometimes, an external drive doesn't show up. It’s annoying, especially when you need to transfer something right then. And besides, there can be a risk that data on the external USB pen, hard, or flash drive is corrupt, which means you can’t transfer what you need between devices at all. Corrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too.
Let’s take a look why this is happening and how you can get an external drive to appear on your Mac and get recover data to access to your documents. How to fix an external disk drive that won't show up on a Mac Why an external disk drive is not showing up? There could be a few reasons why an external hard or flash drive isn’t making an appearance. Start with the basics:. Check whether the drive is properly plugged in. It sounds obvious, but since this relies on a wire - either a USB cable or HDMI cable - if it’s not connected properly then it won’t appear on your desktop.
Faulty cable. Assuming it’s plugged in correctly, not wobbly or loose, the cable could be at fault. Try connecting the same device with a different cable. Damaged USB or flash drive port.
It could be a hardware issue with the Mac. If you’ve got another port, try connecting the device to that one. Reboot your Mac.
Sometimes, if a disk won't boot, the cause is macOS issue. Hopefully, some data damage that can be fixed by restarting. Choose the Apple menu Restart. Or press and hold the power button and, when a dialog box appears, click the Restart or press R. Restarting your Mac essentially clears your macOS’s memory and starts it up fresh. Incorrectly formatted drive.
Not every drive is optimized for Macs. It could be that you are trying to connect something only fit to interact with Windows devices. If you’ve got a PC or laptop, it’s worth connecting and seeing if you can access the files through another device. The best way to look for an incorrectly formatted drive is to go to Apple (in the top toolbar menu) About This Mac Storage. See if the external drive shows up here.
For more information, go to the same menu option, then select System Report. Mac not formatted to display external drives on the desktop. It could be that your Mac already recognizes the device, but just isn’t showing its icon on the desktop screen. Even if that is the case, the drive will still appear in the left-hand column of the Finder menu under Devices. You should be able to access your drive that way, and, in the Finder menu under Preferences General, you can check External Drives to ensure that from now on it shows up on your desktop too. Reset NVRAM. To do this, shut down or restart your Mac, switch it back on and immediately press these four keys together for at least 20 seconds: Option, Command, P, and R.
It should look as though your Mac has started again; if it has, release the keys when you hear the second startup chime. Hopefully, the hard drive has shown up now. Check Apple’s Disk Utility to see if an external drive is showing up. Disk Utility is within System Preferences, or you can find it using Spotlight. If it is visible, then click the option to Mount, which should make it visible on the desktop and in the External Drives option in the Finder menu.
In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. Repair the failed external drives with First Aid If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. First Aid tool will check the disk for errors and then attempt a repair as needed. It helps to verify and repair a range of issues related to startup HD and external drive problems. If you are able to fix the hard drive or SSD in your Mac (or a external drive) using Disk Utility you will hopefully be able to recover your files. To run Fist Aid on an external hard drive:.
Open Disk Utility. You can searching for it using Spotlight Search or via Finder Application Utility. Check on your external hard drive, click the First Aid tab and select Run to start running diagnostics. If First Aid successful in fixing errors, the external drive should be available to mount. If the utility unable to repair issues, your drive truly broken or formatted using a file system that the Mac cannot read - in this way we suggest you follow the next steps to recover data from a damaged disk drive. How to recover data from a crashed hard drive Thankfully, there is an app for that.
Is the world’s premier data recovery software for Mac OS X. Powerful enough to retrieve long-lost, mistakenly deleted files from Macs, external hard drives and USB drives and camera cards. An easy way to recover lost files on an external hard drive Providing you already have version, which you can get automatically by downloading from Setapp:. Connect your drive to the Mac. Quit all other applications on the Mac, especially those that may be trying to access the external drive (e.g. IPhoto, Words).
Launch. Click on the external drive that you are trying to recover files from.
If it has partitions, you will see all of them. If, however, you still don’t see any volume to the external drive then you may need to try some of the steps above again or read the Disk Drill Scanning FAQs. To avoid the external drive being accessed during the recovery process, click Extras next to the drive or drive partition or file, then select Remount Volume As Read Only. A padlock will appear, protecting the drive during the process. Now click Rebuild (or Recover) next to the file(s) you are trying to recover. Once the scan is finished - it may take some time if the files are large - a list of files will appeal. Next, click Mount Found Items as Disk button on the bottom-left below the scan results.
Disk Drill “strongly suggest saving the files to a different drive than the one you are trying to recover files from. Saving to the same drive substantially lowers your chances of recovery.”. A drive icon will appear, which once you double click will give you the option to open the files as you would do before they were lost. Drag them to another location, such as your desktop or a folder on your Mac. Open the files to ensure they have been recovered properly and safely eject the external drive. Disk Drill does have other ways to recover lost files but assuming there aren’t complications, this method is the most effective. Disk Drill Pro recovery app is, along with dozens of Mac apps that will make your life easier.
Never have to worry about a crashed or corrupted external drive again. A few more tips on getting your files back. Macs and third-party apps that look after Macs, such as and come with a S.M.A.R.T. (also known as Self-Monitoring, Analysis and Reporting Technology) status monitor. If a SMART check reports errors, then it could mean the hard drive is at risk of failing completely. Within Disk Utility and Disk Drill, there are several solutions for this: Repair Disk Permissions and Repair Disk. If neither work, it’s recommended that you backup all of the data from the disk, erase, then run a SMART check again.
The external hard drive should show up as Verified. Partitions can get lost within hard drives, temporarily hiding all of the information contained within. Disk Drill can help to identify and restore this information. Within Disk Drill, you can restore data when a hard drive is damaged or add formatting, which is also something Disk Utility can help with., another useful app available from Setapp, can help you identify external hard drive errors and repair them.
It is an essential tool worth trying when you’re having external hard drive difficulties. Alternative ways to recover data from an external hard drive. Reset the System Management Controller (SMC) if your Mac shuts down when you plug in an external hard drive. Then use a different port to connect the external hard drive. If you’ve got a battery that you can’t remove:.
Shut down and unplug the power adapter. Press Shift-Control-Option and the power button at the same time.
Do this for 10 seconds. Release all keys.
Plug the power adapter back in and switch your Mac back on For Macs with removable batteries, you need to switch them off, remove the battery, then press and hold the power button for 5 seconds. After that, put the battery back in, plug in the power adapter and switch the power on again. What’s your file format? One reason your Mac isn’t recognizing the hard drive is the file format. Windows uses NTFS file formats, while Macs, up until the introduction of Sierra, have used HFS+. Now, Apple has introduced the Apple File System (APFS) for newer operating systems.
It is possible to format a hard drive so it can be read on Mac and Windows computers, providing you format using exFAT. However, if you’re having problems accessing the files and the issue is due to formatting, you will need to connect it to a device it can be read on, and then format the files correctly for the computer you are going to use it on next. Employ the handy all-powerful Terminal which always comes forward with solutions for difficult problems. Especially if System Information does recognize the USB or hard drive, but continues to hide it from you, disconnect the drive and try to find it using the Terminal, which you can find in Applications Utilities.