How do I get my Mac to recognize my USB?

How do I get my Mac to recognize my USB?

Open System Information and disconnect the USB device from your computer. Wait a few minutes, and click File > Refresh Information. Reconnect the USB device. You should see a device disappear from System Information when you remove the USB device, and it should appear again when you reconnect it.

How do I factory reset my Mac with USB?

When you have got hold of the installer for the version of macOS that you require, follow these steps:

1. Attach your USB flash drive to your Mac.
2. Open Disk Utility.
3. Select the volume (under External) in the sidebar.
4. Click Erase.
5. Make sure it says “Untitled” in the Name field.
6. Open Terminal.

How do I force my IMAC to boot from USB?

Getting your Mac to load from a USB drive is fairly straightforward.

1. Insert the USB boot media into an open USB slot.
2. Press the Power button to turn on your Mac (or Restart your Mac if it’s already on).
3. When you hear the startup chime, press and hold the Option key.

Why is my USB not connecting to my Mac?

Check the power, port, and cable connections: Make sure the USB device is turned on and its cables are properly connected. If your computer has more than one USB port , switch the device’s cable to another port. If you still can’t use a device with the port, your computer may need to be serviced.

Why is my USB not connecting?

Try plugging the USB cable into different USB ports on the computer. If it works, contact the computer manufacturer for help. If it doesn’t work on another computer, perform a master reset. If problems continue after a master reset, then contact the device manufacturer.

Why is USB drive not showing up?

Generally, a USB drive not showing up basically means the drive is disappearing from File Explorer. It might be that the drive is visible in the Disk Management tool. To verify this, go to This PC > Manage > Disk Management and check whether your USB drive shows up there.

How do I reinstall OSX from USB?

Reinstall macOS Insert the USB drive and power up the machine. Hold the Option key as you do so, then release the Option key when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, then click the up arrow or press Return. Your Mac will then reboot.

How do I reinstall OSX after erasing hard drive?

Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

Why does my laptop say USB device not recognized?

The currently loaded USB driver has become unstable or corrupt. Your PC requires an update for issues that may conflict with a USB external hard drive and Windows. Windows may be missing other important updates hardware or software issues. Your USB controllers may have become unstable or corrupt.