Click on Finder in the menu at the top of your screen. Choose Preferences > General and make sure that there is a tick beside External Drives.
Thereof, Why won’t my external DVD player work on my Mac?
Why your Mac does not recognize external hard drive
There’s something wrong with the cable. There’s a power supply problem. Your drive has been corrupted or broken. The drive is not readable on macOS.
Accordingly, 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.
What do I do when my external hard drive is not detected?
What to Do When Your External Hard Drive Won’t Show Up
- Make Sure It’s Plugged In and Powered On. Western Digital My Book. …
- Try Another USB Port (or Another PC) …
- Update Your Drivers. …
- Enable and Format the Drive in Disk Management. …
- Clean the Disk and Start From Scratch. …
- Remove and Test the Bare Drive.
Also know Is Apple SuperDrive compatible with Catalina?
With macOS Catalina, the SuperDrive won’t show up in the, Finder sidebar, Desktop, or Disk Utility unless a disc is inserted. If you need to make sure that the drive is working on a software level, open System Preferences. The CDs and DVDs preference pane will only show up when the SuperDrive is connected.
Why does my external DVD drive not work? Reinstall or Update Driver in Device Manager
Expand DVD/CD-ROM drives, right-click the optical drive listed, then click Uninstall. Exit Device Manager then restart your computer. Windows 10 will detect the drive then reinstall it. … Launch Device Manager again, click the View menu then click Show hidden devices.
How do I reset my USB ports on my Mac?
Press the (left) Shift + Ctrl + Option keys and the power button at the same time, and hold them down for a few seconds. You should see the light on the power adapter change colour or blink to indicate the SMC has been reset. Release all the keys and the power button.
Why is my USB drive not showing up in my computer?
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.
Why is my USB port not working?
There are several reasons why a USB device is not recognized. You could have a damaged device, or there could be a problem with the port itself. … Computer has difficulty detecting USB devices. The USB Selective Suspend feature is on.
What do I do if my external hard drive is not detected Mac?
What do I do if my external hard drive is not detected?
- Go to Applications and open Utilities.
- In the Utilities folder, select Disk Utility.
- In the View menu at the top of your screen, select Show All Devices.
- Select your external drive and click Unmount.
- Connect your external drive again.
How do I fix my external hard drive not being recognized Mac?
- Change the Finder settings. One of the most common reasons for Mac not recognizing external hard drives is due to the system not being set up to display hard drives on the desktop. …
- Mount an external hard drive on Mac. …
- Run First Aid on an external hard drive. …
- Repair disk permissions. …
- Delete potentially conflicting apps.
Why is my hard drive not being detected?
The BIOS will not detect a hard disk if the data cable is damaged or the connection is incorrect. Serial ATA cables, in particular, can sometimes fall out of their connection. Be sure to check your SATA cables are tightly connected to the SATA port connection.
How do I update my Apple SuperDrive?
To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/SuperDrive Update. app). The updater will launch automatically when the installation is complete.
How do you reset the SMC on a Mac?
How to reset the SMC on Mac desktop computers
- Choose Apple menu > Shut Down and wait for your Mac to shut down.
- Unplug the power cord.
- Wait 15 seconds.
- Plug the power cord back in.
- Wait 5 seconds, then press the power button again to turn on your Mac.
Why does my DVD drive not read discs?
If the optical drive cannot read the files stored on any CD/DVD discs, you need to confirm that the drive is listed in Device Manager. Confirm the drive is listed in Device Manager, and then reinstall the device driver to resolve any error states. Verify that there is no disc loaded in the drive.
What to do if DVD is not reading?
Remove the disc from the DVD player. Use a lint-free cloth and some denatured alcohol or water to clean the disc and remove any dust or smudges that may prevent the player from reading it properly. Reinsert the disc into the player and press “Play” to see if cleaning the disc fixes the “NO DISC” error.
How do I get my external CD drive to work?
Insert one end of the USB cable into the external CD drive. Plug the other end of the cable into your computer’s USB port. Allow the computer to install the drivers for your external CD drive. Usually the computer will recognize the external drive and automatically install the drivers for the device.
Why does my USB ports keep disconnecting Mac?
Typically this is caused by the USB cable or the Mac’s USB port. If you are experiencing this problem try using another USB cable or a different USB port on your Mac. Duet strongly recommends using Apple Certified cables as these provide reliable connections and safe power supply.
How do I test if my USB ports are working?
Method 1: Use Device Manager to scan for hardware changes
- Click Start, and then click Run. …
- Type devmgmt. …
- In Device Manager, click your computer so that it is highlighted.
- Click Action, and then click Scan for hardware changes.
- Check the USB device to see whether it is working.
How do you reset a USB port?
Right-click one of the USB controllers and then click Uninstall device. Repeat this for all the USB controllers on the list. Step 4: Restart your computer. Windows will automatically scan the system and reinstall the uninstalled USB controllers, which resets your USB ports.
How do I fix an unreadable USB on Mac?
The following steps show you how to fix a USB flash drive by reformatting it on your Mac.
- Connect the USB drive to your computer.
- Launch Disk Utility.
- Select the USB drive from the list in the left panel.
- Choose Erase. …
- Name the drive and select the format you want to use.
- Click Erase in the bottom left corner.
Is my USB drive dead?
To tell if a USB flash drive or USB hard drive is dead, you can go to “This PC” > “Manage” > “Disk Management” and check its status. … The USB shows “Online” in Disk Management but you cannot access its files. The USB shows “Missing”, “Not Initialized”, “Unreadable” or “No Media” in Disk Management.
How do I fix unrecognized USB?
How to Fix USB Device Not Recognized in Windows
- Method 1 – Unplug Computer. …
- Method 2 – Update Device Driver. …
- Method 4 – USB Root Hub. …
- Method 5 – Connect Directly to PC. …
- Method 6 – USB Troubleshooter. …
- Method 7 – Update Generic USB Hub. …
- Method 8 – Uninstall USB Devices. …
- Method 9 – Uninstall Hidden Devices.
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