A lot of reasons should be blamed when you can’t see external hard drive: the cable or port issue, corrupted system settings, improper file system, virus attack, etc. External hard drive not showing up Mac is a hot topic among users. However, it’s true that there are chances for Mac not reading external hard drive after users connected the drive to Mac. In general, a hard drive or flash drive will be recognized and showing up on the desktop automatically after it’s connected to Mac. Bonus Tip: Internal Hard Drive Not Showing Up.11 useful solutions are provided here to help users fix hard drive not working on Mac. Actually, the external hard drive, USB flash drive, SD card, and even internal hard drive maybe not detected by Mac sometimes due to different reasons.
Many people are complaining about the same problem: external hard drive not showing up on Mac.
