How to Fix MacBook Pro SD Card USB Flash Drive Not Reading

  • If a MacBook Pro SD Card USB flash drive or external hard drive is not reading then you need to remove it and insert sd card properly.
  • You need to format SD card or USB flash drive or any external device to ExFAT format and start using it. (make sure format will erase all data).

If you are connecting your usb flash drive or sd card or any external drive and trying to connect and macbook pro is not detecting or sd card or usb flash drive not reading then you need to format sd card or flash drive or external drive in a right way so, let’s see them in detail below.

Fix MacBook pro SD Card Not Reading or USB Flash Drive

Below methods will help you get rid of sd card, usb drive card, external hard drive not connecting issue.

Insert SD Card / Flash Drive / External Hard Drive Properly

First you need to make sure that you are connecting your SD card, usb flash drive or external hard drive is connected properly. If your macbook pro is not reading any of them then go ahead and insert them properly again and see macbook pro is reading sd card, usb drive or external hard drive. If you still face issue of macbook pro SD card, usb flash drive not reading then follow other methods below.

Format SD Card or Flash Drive or External Hard Drive in ExFat format

Before Formatting or converting hard drive to ExFAT make sure that you take backup of your drive if not all data will be erased once you erase or convert hard disk to exfat format.

You need to format your connected usb drive or sd card or external hard drive to ExFAT format, so lets see in detail how to format to ExFAT.

Step 1: Connect your USB drive / sd card or external drive to your MacBook pro

Step 2: Click on Spotlight search and Search for disk utilities.

Step 3: Open disk Utility and select the hard drive / sdcard / external hard drive.

Step 4: Click on Erase on top menu.

Step 5: Now Name your Hard Drive / usb / external hard disk name.

Step 6: Now, in format section -> Click on drop down and select it to ExFAT option.

Step 7: Click on Erase and wait for hard disk / usb drive/ sd card to complete the erase process and convert it to ExFAT format.

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Once you convert it to ExFAT format all data inside the drive will be erased, so make sure you take a backup and now your hard drive / usb card or external hard drive will be able to read and write file on macbook pro after converting it to or formatting to ExFAT.

Why MacBook pro SD Card or USB card or External Hard Drive not reading?

This is because your sd card or usb card or external hard drive is not formatted in a right way, so you need to go ahead and format it correctly. Most of the time when you connect your hard drive or usb device to macbook pro you need to go ahead and open disk utility and select the hard drive and see in which format it is formatted.

Format SD Card or USB Falsh Drive in ExFat

Most of the time if hard disk or usb flash drive or external hard disc is formatted in windows nt file system (NTFS) then you will face the issue of macbook pro sd card, usb flash drive not reading or you can read what’s in the harddrive connected but you cannot copy or write files on hard drive which is connected to your MacBook pro.

  • Swathi is Content Writer, Author Editorial Team Member at A Savvy Web and She writes about technology troubleshooting guides and helps users to solve issues easily. She has expertise in this area for more than 2+ years of experience.
  •  She completed her Post Graduation and has an interest in Computers, Windows, Mac, Android, iPhone, Smart tv.

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