1. Usb Hub Not Working Macbook Pro
2. Macbook Pro Usb Not Working Remotely
3. Macbook Pro Usb Not Working Mac
4. Macbook Pro Not Responding

Q: My CD/DVD Drive on my iMac keeps ejecting every CD/DVD when I put a CD/DVD in the drive. It sounds like it tries to read the disc, buy fails finally. Online cad cam software. I thought maybe my Mac SuperDrive needs to be replaced so that I plugged in an external USB SuperDrive to my Mac. But fortunately, both of them ejected CD/DVD. How to fix this 'CD/DVD drive keeps ejecting on Mac' issue?

A: 1. Run disk utility and repair disk permission.
1). Choose Go > Utilities.
2). Double-click Disk Utility.
3). Select the volume in the left pane for which you want to repair permissions.
4). Hit the First Aid tab.
5). Select the volume to which you want to install the Adobe application.
6). Click Repair Disk Permissions.

2. Delete the configuration file to create a fresh copy.
3. Reset the NVRAM/PRAM and SMC.
4. Delete the Finder's preference files.
5. Clean the SuperDrive's slot with compressed gas/Vaccum Cleaner.

I just connected a new 43UD79-B 4K Monitor to my Macbook Pro 13, 2 but the USB-C port is not working. If I plug in a USB-C to USB-C (Thunderbolt 3) 40GB/s cable, the Mac charging indicator acknowledges the cable, but the display is never detected. The display has been veriied as working with HDMI into an adapter dongle. Any help apprecaited!