- Download and install Disk Drill. …
- Ensure your drive is plugged into the computer. …
- When the scan has finished, click Review found items.
- Scan the recoverable data for any items you want to recover. …
- Specify where you want to recover the files.
How do I restore my Mac using Disk Utility?
- In the Disk Utility app on your Mac, choose View > Show All Devices. …
- In the sidebar, select the volume you want to restore, then click the Restore button . …
- Click the Restore pop-up menu, then choose the volume you want to copy.
- Click Restore, then click Done.
How do I repair my Mac startup disk?
- Restart your Mac, and press Command + R, while it's restarting.
- Select Disk Utility from the macOS Utilities menu. Once Disk Utility has loaded, choose the disk you wish to repair – the default name for your system partition is generally “Macintosh HD”, and choose ‘Repair Disk'.
How do I fix a corrupted hard drive that won't boot?
- Restart the computer.
- Open the BIOS.
- Select the Boot option from the drop-down menu.
- Change the order of the options such that the hard disc is the first option.
- Save these options.
- Restart the computer again.
How do I fix an external hard drive that is corrupted and unreadable?
- #1. Unplug and Re-plug the Corrupted/Unreadable Device.
- #2. Check and Repair Disk Error via CHKDSK.
- #3. Reinstall Disk Drivers.
- #4. Format Drive.
- #5. Recover Data.
Can you fix a corrupted hard drive?
Hard drives may also get corrupt due to file system errors or bad sectors.
You can fix a corrupted hard drive by running the CHKDSK command in Command Prompt
. Caution: CHKDSK command with /f and /r attributes may fix the corruption in the hard disk.
How do I reinstall Mac without startup disk?
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button. …
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery. …
- The message will be replaced with a progress bar.
How do you unlock a disk on a Mac?
To unlock an encrypted hard drive,
Control-click the drive icon in the main Finder view or the sidebar. In the menu that pops up, select Decrypt “Drive Name” and enter the password
. This only works if you know the password. And if you don't, you can still format the drive, which we'll detail a little further down.
What is macOS recovery?
macOS Recovery is
the built-in recovery system on your Mac
. You can use the apps in macOS Recovery on an Intel-based Mac to repair your internal disk, reinstall macOS, restore your files from a Time Machine backup, set security options, and more. Reinstalling macOS requires an internet connection.
How do I reinstall Macintosh HD?
To begin installation,
select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions
. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
How do I reinstall Mac in recovery mode?
- Restart your Mac. …
- As your computer is restarting, hold down the Command + R keys. …
- When you are in recovery mode, click Reinstall macOS and then click continue.
- When the installer window pops up, click Continue.
How do I boot my computer without a hard drive?
Although a hard drive is typically where an operating system is installed, there are a number of ways you can run a computer without one.
Computers can be booted over a network, through a USB drive, or even off of a CD or DVD
.
What do you do if your hard disk fails to work?
Unplug the cables and plug them back in
, ensuring you have a solid connection. Your hard drive may just have a cable that's come loose. You can also go into your computer's BIOS or UEFI firmware screen and see if the drive is detected by your computer.
What causes hard disk failure?
There are a number of causes for hard drives to fail including:
human error, hardware failure, firmware corruption, media damage, heat, water damage, power issues and mishaps
.
Why is my hard drive corrupted and unreadable?
Virus or Malware Attack
. When your computers, USB flash drive, memory card get infected with a virus, the file system might be corrupted and show the file or directory is corrupted and unreadable error.
Why is my external hard drive not readable on Mac?
See if the file system of your external hard drive, SD card, USB streak drive, or different gadgets is formatted in the FAT32 file system
. If your device is formatted in NTFS, the format causes the “USB not readable Mac” issue.
Why can't my PC read my external hard drive?
If your external hard drive is still not working, you may
unplug it and try a different USB port
. If it's plugged into a USB 3.0 port, you can try plugging it into a USB 2.0 port. If it is plugged into a USB hub, try plugging it directly into the PC instead and see if that works.
What are the symptoms of a faulty hard drive?
- Computer freezes, slows down or displays a blue screen.
- Data gets corrupted and the buildup of bad sectors.
- Unusual and Alien Sounds.
- The Read/Write – Heads Crashed.
- The Hard Drive's Spindle Motor Malfunctioned.
- The Hard Drive Exhibits PCB Problems.
- Adaptives Deviations.
How do you check if my hard disk is corrupted?
- Go to Computer/This PC >> Select Hard Drive >> Choose Properties.
- Select Tools >> Error checking >> Check now >> Check local disk >> Start.
- Shut down all open and running programs >> wait for the system to check upon the next boot >> restart the PC.
What does Command-r do on Mac?
Command-R
restores the latest macOS that was installed on your Mac without upgrading to a later version
. Option-Command-R upgrades to the latest macOS that is compatible with your Mac. Shift-Option-Command-R restores the macOS that came with your Mac or the version closest to it that is still available.
Why is my Mac in recovery mode?
You've gone into Mac Recovery Mode
because there's a problem, and that typically means a drive problem
. In which case, the first thing you need to do is run Disk Utility. This examines the drive you tell it to, and it will repair many potential problems.
Does reinstalling Mac delete everything?
No. Reinstalling macOS does not have to wipe all other data that you have stored
. It is often recommended to reinstall macOS on top of the current installation. It is done from the Recovery partition using the same Command-R reboot.