Hard Drive Test For Mac

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El Capitan’s Disk Utility is a handy tool for troubleshooting and repairing your hard drive (whether you’re noticing that your Mac has slowed considerably or you have problems opening files and applications). You can find it in the Utilities folder within the Applications folder. From Launchpad, click the Utilities folder and then click the Disk Utility icon.

Discover the world of external hard drives for Mac. Compare portable, USB and external hard drive models for office and home and shop online. Flash drives (like thumb drives) are external hardware devices that you can add to your Mac for additional storage room or as secure places to back up your data. Here, you see one internal hard drive (the 1TB SATA entry, which is selected) and one USB external hard drive (the Toshiba entry). On your Mac, choose Apple menu Restart, then press and hold the D key while your Mac restarts. When the Apple Hardware Test chooser screen appears, select the language you want to use, then press the Return key or click the right arrow button. If you don’t see the chooser screen, Apple Hardware Test may not be available on your Mac.

In the left column of the Disk Utility window, you can see

  • The physical hard drives in your system (the actual hardware)
  • The volumes (the data stored on the hard drives)

You can always tell a volume, because it’s indented below the physical drive entry.

  • Any CD or DVD loaded on your Mac
  • External USB or Thunderbolt hard drives
  • USB flash drives
  • Flash drives (like thumb drives) are external hardware devices that you can add to your Mac for additional storage room or as secure places to back up your data.

Here, you see one internal hard drive (the 1TB SATA entry, which is selected) and one USB external hard drive (the Toshiba entry). The hard drive has three volumes (Wolfgang, Ludwig, and Johann), and the USB drive has one volume (Time Machine).

Disk Utility also fixes incorrect file permissions automatically. Files with corrupt or incorrect permissions can

  • Make your Mac lock up
  • Make applications act goofy (or refuse to run)
  • Cause strange behavior within a Finder window or System Preferences

Using Disk Utility to repair your hard drive carries a couple of caveats:

  • You can’t repair the boot disk or the boot volume if OS X won’t run. This statement makes sense because Disk Utility is launched from your boot volume. (The boot volume is usually your Mac’s internal hard drive, where El Capitan is installed.) If OS X isn’t booting completely or is locking up, you can’t launch Disk Utility.

To repair your boot hard drive if OS X isn’t running, you need to boot your Mac from El Capitan’s Recovery HD volume. Hold down the Option key immediately after you hear the start up chord to display the Mac OS X boot menu, and choose the Recovery HD volume. When the Recovery window appears, run Disk Utility. Because you’ve booted the system from the Recovery HD volume, you can repair problems with your start-up hard drive.

Select your boot hard drive or volume in the sidebar at the left, and the First Aid button should be enabled.

  • You can’t repair CDs and DVDs. Because CDs and DVDs are read-only media, they can’t be repaired (at least not by Disk Utility).

If your Mac is having trouble reading a CD or DVD, wipe the disc with a soft cloth to remove dust, oil, and fingerprints. If that technique fails, invest in a disc-cleaning contrivance of some sort. Look for a CD/DVD cleaning kit.

Hard Drive Diagnostics For Mac

If OS X El Capitan is running fine, and you need to repair a disk or volume, follow these steps:

  1. Save all open documents, and quit all running applications.
  2. Click the Spotlight search icon on the Finder menu bar, type Disk Utility, and press Return. (From within Launchpad, click the Utilities folder and then click the Disk Utility icon.)
  3. In the list on the left side of the Disk Utility window, click the disk or volume that you want to check.
  4. Click the First Aid button and then click Run to confirm.

If Disk Utility does indeed find errors, they’ll be fixed automatically. Would you expect anything less from our favorite operating system?

Macs aren’t immune from hard disk corruption and failures. They’re just as common on Macs as they are PCs. Although most Macs have solid-state drives, even these systems can have problems. Apple’s built-in utilities and some third-party programs will get you up and running.

Hard Drive Speed Test For Mac

Symptoms of a Hard Disk Problem

The worst noise you’ll hear from a mechanical hard disk is a clicking or grinding noise. That means the drive is failing. At that point, the drive isn’t repairable. It’s time to back up your data and then replace the drive. You already have a backup though, right?

Not all drives exhibit symptoms in this way. Sometimes you’ll get the prohibitory no symbol at startup or a flashing folder with a question mark. After turning off your Mac and turning it back on, the system boots just fine. Other times you’ll get the spinning rainbow wheel, letting you know your Mac is waiting on something. That could be because your Mac is waiting on the hard drive.no symbol at startup or a flashing folder with a question mark. After turning off your Mac and turning it back on, the system boots just fine. Other times you’ll get the spinning rainbow wheel, letting you know your Mac is waiting on something. That could be because your Mac is waiting on the hard drive.

Diagnosing the Problem

If you suspect your hard disk is failing, it is time to make a backup. Now. Again, you should already have a backup of your Mac. Don’t proceed before you try to make a backup. Apple’s

Don’t have recovery mode? You’ll need an offline Mac installer to run Disk Utility off a USB drive.

When you reboot, you’ll see the

Some Macs have a built-in hardware diagnostic. Reboot your Mac holding down the D key. That runs a full hardware test on your Mac. The diagnostic will report any problems, including the hard drive.

Does your Mac Support Apple Diagnostics? Apple explains which models support this here.

Mac Disk Health

Your Might Have a Confused Hard Drive

The Mac’s journaled file system usually keeps things in order. Glitches and improper shutdowns might leave things scrambled. If

You’ll need to boot your Mac off a Disk Warrior flash drive to do testing and repair. The program creates a Recovery flash drive. During its diagnostic process it will repair and optimize the drive. If it detects a hard drive error, the program warns you.

Sometimes it isn’t the Hard Disk

If you’ve tried all this and are still having problems, there could be something wrong with your Mac other than the hard drive. If you have a MacBook Pro, the ribbon cable that connects the hard drive to the rest of the computer can go bad. The Mac exhibits all the same symptoms as a failed hard drive. The best way to figure this out is to remove your hard drive and try it in another Mac. If the hard drive works on another computer, then it isn’t your hard drive.

Check to see if the repair is free:

Hard Drive Speed Test For Mac

Check your serial number with Apple. Your Mac may still be under warranty.

The other typical problem is operating system errors. A system update or upgrade was interrupted leaving your Mac in a confused state. You can reinstall your operating system from the recovery mode. That won’t erase any data on your Mac.

Rarely the problem is in the Mac’s System Management Controller (SMC) . Before you give up hope, try Apple’s procedure for resetting the SMC.

What if You Have a Solid State Drive?

Test

Solid State Drives (SSDs) don’t make the typical noises of a mechanical hard drive. After all,they have no moving parts. The testing procedures are the same. You won’t be able to easily remove the hard drive to test it in another machine. Programs like Disk Warrior are smart enough to change the optimization procedure for an SSD drive.

Some Macs have easy hard drives to replace. Some Mac models hard drives aren’t replaceable by end users. Most Mac-savvy retailers know the difference and can guide you towards the right repair. Replacing your hard drive with an SSD will give you the best performance, but may limit your storage space. We cover the differences here.

Bootable Hard Drive Test For Mac

ALSO READ:DaisyDisk: The Best, Most Intuitive App to Find Large Files on Your Mac’s Hard Drive


The above article may contain affiliate links which help support Guiding Tech. However, it does not affect our editorial integrity. The content remains unbiased and authentic.Also See#data recovery #hard disk

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