This tutorial will show you how to format an SD card or Micro SD card in MacOS with the Disk Utility app. Note that formatting an SD card or Micro SD card will erase all data on the card, as well as set a file system format for the SD card. Thus you will want to copy or backup any data on the SD card that you wish to preserve. When you see the message that Diskpart attributes cleared successfully, type “exit” to close up this window. Then, you can try to format SD card again. Solution 2: Run Chkdsk to check bad sectors. If SanDisk 64GB Micro SD card won’t format due to its bad sector, you can ask the help of Chdksk utility. Here are the detailed steps: 1.
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Unable to Format SD Card That Needs Formatting
'I need help with my SanDisk 64GB SD card, which I use in my Samsung phone for music and pictures. The card seems to be corrupted or perhaps infected with viruses, or somehow when I connected it to a computer, Windows says the card needs to be formatted. I tried so, but failed due to the error message Windows was unable to complete the format.'
To access an SD card, you usually need a card reader. When your SD card won't work on Mac, the first thing to check is whether the card reader is working or not. It doesn't matter that you access the SD card by the built-in slot on your Mac or a third-party one. Simply follow these steps to check if the SD card reader is recognized or not.
Mac Doesn't Recognize Sd Card
SD card won't format, SD card not formatted error or let it be Windows was unable to complete the format SD card, are becoming more and more popularly discussed these years. We are all looking for a response for a reason why we can't format an SD card and an answer to how to format a memory card that cannot be formatted.
General Causes for SD Card Won't Format
When a memory card runs into problems and needs to be formatted to function again, to a large extent, something goes wrong with the file system.
For example, only the FAT32 SD card can be used on some specified devices; the SD card file system suddenly turns raw, and Windows cannot recognize it; the SD card does not show up as a mass storage device but unallocated space, etc.
However, it says formatting SD card will fix problems like these, but why did we fail to format the SD card eventually? We arrived at some simple conclusions that may cause the issue of SD card won't format.
How to Fix SD Card Won't Format Error on Windows 10/8/7 Computer (6 Methods)
So, what are the solutions to unable to format an SD card? How to format an SD card that won't format? Altogether, we introduce six quick fixes that are supposed to solve the problem. When you're facing a similar case that a memory card won't format on a Windows PC or an Android phone device, feel no hesitate to troubleshoot the error using the suggested methods.
Method 1. Format SD Card in Windows Disk Management
For many of us who are unable to format the SD card for the first time is using the Windows File Explorer. It's a quick access for us to perform a quick format of a removable hard disk and a hard drive partition, however, with chances of Windows was unable to complete the format. At this moment, you need to turn to a more advanced disk formatting method. Here, try to format your SD card in Windows Disk Management, the other Windows default program that is able to format a disk.
Step 1. Open Disk Management in Windows 10/8/7 by going to This PC/My Computer > Manage > Disk Management.
Step 2. locate and right-click on the SD card, and choose Format.
Step 3. Choose a proper file system like FAT32, NTFS, exFAT, and perform a quick format. Click 'OK'.
Method 2. Run Diskpart to Clean SD Card That Won't Format
Step 1. Press Windows key + R keys at the same time, type cmd in the Run box, hit Enter to open the command prompt(cmd.exe).
Step 2. Type diskpart to run Diskpart Utility.
Step 3. Type list disk to list the drives on the computer.
Step 4. Type select disk 2 (The number should be replaced by the exact drive number of your SD card).
Step 5. Type clean to run the clean utility (this will wipe all data on the SD card so make sure you saved a copy or backup of the card data).
Step 6. Type create partition primary to create a new partition on the SD card.
Step 7. Type format fs=ntfs (or format fs=fat32)to format the partition to the desired file system.
Method 3. Format SD card Using Third-party SD Card Formatter
Alternatively, if you didn't overcome the SD card won't format error in Disk Management, and you're afraid of the command prompt complexity, another way out is to utilize a third-party free partition manager. EaseUS Partition Master is a reputable third-party SD card formatter that works flawlessly in formatting a memory card that is corrupted, damaged, inaccessible, and won't format in all Windows platforms.
Comparing with the Diskpart utility, it's more like an intuitive, wizard-based, simple, and straightforward SD card formatting software that makes every ordinary user with little computer knowledge troubleshoot the SD card won't format error without much effort.
Step 1: Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option.
Step 2: Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.
Step 3: In the Warning window, click 'OK' to continue.
Step 4: Click the 'Execute Operation' button in the top-left corner to review the changes, then click 'Apply' to start formatting your external hard drive/USB/SD card.
Method 4. Change Drive Letter and Paths to Detect The SD Card
Sometimes, we are unable to initiate the format due to SD card is not showing up at all. To resolve such kind of SD card won't format issues, we need to make it recognizable at first. To do this, here is the procedure:
Step 1. Connect the won’t format SD card to PC.
Step 2. Right-click on This PC/My Computer> Manage > Disk Management.
Step 3. Locate and right-click on SD card, select Change drive letter, and paths.
Step 4. Re-select a new drive letter for your SD card and click OK to confirm.
Method 5. Remove Write Protection from Not Formatted SD Card
Once a hard drive, memory card, or USB flash drive is write-protected, it means that you can no longer use the storage devices like before nor formatted it. Write protection is responsible for most of the SD card won't format error in Windows PC and mobile devices. If this is the case you're faced with, try to remove write protection from the SD card using cmd, or the easiest method recommended here.
If you are not professional in computing management and not familiar with command lines, don't worry. EaseUS R&D team has promoted a fresh kit for helping you resolve the write-protection issue on your hard drive, external hard drive, USB or SD card, etc., devices.
EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to the command line.
Use this one-click tool to solve the write-protection issues on your own:
Step 1: DOWNLOAD and install EaseUS Tools M for free.
Step 2: Run EaseUS Tools M on your PC, choose the 'Write Protection' mode.
Step 3: Select the device which is now 'Write-Protected' and click 'Disable' to remove the protection.
Method 6. Check and Repair Bad Sectors
Bad sectors on your storage media are invisible, but they will prevent you from smoothly accessing your device and using the files. One of the common troubleshooting to fix bad sectors is to format the disk. What if you cannot directly format the SD card with bad sectors in Windows? You need to run command lines to check how many bad sectors are there, and then repair them all. After removing bad sectors from the SD card, you can easily format it by any means.
Step 1. Press Windows key + R keys at the same time, type cmd in the Run box, hit Enter to open the command prompt(cmd.exe).
Step 2. In Command Prompt, enter the command: chkdsk E: /f /r /x. Replace E with your SD card's drive letter.
The Other 3 Cases for You Can't Format SD Card#1. How to Fix The RAW SD Card Won't Format
When you checked the SD card showing as RAW in Disk Management, you must convert the RAW file system to a usable file system like NTFS or FAT32 for normal use. To convert a RAW SD card to NTFS or FAT32, you need to perform a disk format. You can easily troubleshoot the RAW SD card won't format error in Disk Management by using the other recommended ways:
#2. How to Repair SD Card Won't Format on Android/Cannon Camera
First of all, remove the card from the mobile phone or camera, and re-insert it again.
Still can't format the SD card? This time take out the SD card and connect it to a Windows PC or laptop. choose one of the methods to format the SD Card on Windows 10/8/7 computer:
#3. How to Fix SD Card Won't Format to FAT32
Windows won't allow you to format an SD card over 32GB to FAT32, which is due to the file system limitation. The only approachable and simple way to let you format a 64GB, 128GB or 512GB SD card to FAT32 is using EaseUS Partition Master, which can achieve a successful formatting result, at the same time, won't affect the usable storage on the SD card.
Open Sd Card On Mac
Summary: SD card not working on your Mac? Mac won't read SD card? macOS Catalina is not recognizing SD card? In this article, we will help fix Mac not reading or recognizing SD card issue.
Accidents happen at any time (For example: When I insert SD card nothing happens on Mac). When your SD card is not working properly, you can't open and access the files stored the SD card.
Sd Card Won T Format Mac
As you see SD card is not readable by your Mac, those are possible questions in your mind. Why is Mac not reading SD card and SD card not working? How do I get my Mac to recognize my SD card? How to do SD card data recovery?
This passage is a complete SD card troubleshooting guide to fix SD card not working, reading or recognized issue.
How to fix SD card not showing up or reading on Mac?
As below, we have listed some feasible solutions to fix SD card not working or reading on Mac:
How To Format Sd Card On LaptopOption 1: Check your Finder desktop and sidebar preferences
On Mac, you can choose to show connected items on the desktop, including hard disks, external disks, connected servers. Therefore, if you don't set the preference to show your SD card on the desktop, it won't appear on Mac. Easy to understand, huh? Let's see how to show SD card on the desktop?
Step 1: Go to Finder > Preferences > General, make sure the 'External disks' option is ticked. This will make the SD card show up on the Desktop.
Step 2: Select the Sidebar tab on the top, make sure the External disks option under Locations is also ticked.
Option 2: Restart your Mac
Whether the issue is related to networking, graphics, slow performance, faulty programs or macOS issue, a simple reboot can fix a computer issue 80-90% of the time. It also works when external drives are not recognized by macOS.
When your SD card is not reading on Mac, you can try to remove the SD card and then switch off the Mac. Leave it for a few minutes, turn it back on, and try again.
Option 3: Check if SD card reader is not working
To access an SD card, you usually need a card reader. When your SD card won't work on Mac, the first thing to check is whether the card reader is working or not. It doesn't matter that you access the SD card by the built-in slot on your Mac or a third-party one. Simply follow these steps to check if the SD card reader is recognized or not.
Step 1: Simply click Apple Menu > About This Mac > System Report.
Step 2: Find Card Reader under the Hardware list.
Step 3: If the card reader works, you can see its Vendor ID, Serial Number, and some other product information. When your SD card is inserted, it should also be listed at the right with specifications.
If unfortunately, the card reader is not recognized, it might be an SD card hardware issue. For a broken slot built-in your MacBook, you need to send it to a local Apple store for repair service. Instead, for a malfunctioned external SD card reader, you can simply replace it with a new one.
• How to fix SD card reader not working on Mac?
Option 4: Check for the connection issue
If the card reader is working fine, then you should check the connections. First of all, make sure you insert your SD card properly. (The metal contacts must face down and point toward your Mac). Secondly, you can test your SD card on a different card reader. If you can access the SD card then, it should be the card reader that has a problem.
Option 5: Check if SD card is locked
Another case for SD card not working on Mac is that the SD card is write protected. When you try to write content to the locked SD card, you cannot modify the files on the locked SD card. To work on the SD card again, you need to safely eject the SD card and adjust the lock slider tab on the card to unlock the card. Then you can access the SD card after you reinsert it to the slot.
Option 6: Insert your SD card in different devices
Another very effective strategy that you can implement is to insert the SD card in different devices, such as phones, digital cameras, or other computers. For instance, you can remove the SD card from your Mac and insert it into your Android phone. If your SD card is still not detected or working on a phone, the card might be damaged or you need to try the following solutions.
![]() Option 7: Reset NVRAM/PRAM
NVRAM/PRAM is a chip in Intel-based Macs used to remember the setting for your computer, including sound volume, display resolution, startup disk selection, time zone, peripheral devices and more. It's worth resetting whenever you find your computer's hardware acting in unexpected ways.
To reset NVRAM, you should shut down your Mac, then turn it on and immediately press and hold Option + Command + P + R. Keep holding down those keys for about 20 seconds. Then release the keys and allow your Mac to continue starting normally.
Option 8: Mount SD card in Disk Utility
After resetting NVRAM/PRAM, your SD card is still not recognized on Mac. You should go to Disk Utility again and see whether the SD card is listed. If you can see your SD card in Disk Utility, but the SD card is greyed out, that means the SD card is not mounting. Simply select the Mount option to see if the SD card will be mounted in Finder and desktop.
Option 9: Update the drivers on Mac
If the issue still exists, you can check whether the drivers on your Mac is renewed. If your Mac drivers are outdated, your SD card or other external hard drives will not be recognized by your Mac. Here are steps to update drives on Mac:
1. If you have upgraded to macOS Mojave, you should choose System Preferences from the Apple menu, then click Software Update to check for updates. If any updates are available, click Update Now to install them.
2. If you are using earlier macOS versions, just launch the Mac App Store, click the Update tab on the top and then choose the 'Update All'.
Option 10: Repair SD card via First Aid
Still, have no luck to get your Mac to read the SD card? The SD card may be corrupted and needs to be repaired. All portable hard drives have a limited life span, as wear and tear could bring bad sectors on the disk. Thankfully, macOS has a built-in repair tool - First Aid, which allows you to fix SD card errors on Mac.
Step 1: Go to Applications > Utilities > Disk Utility.
Step 2: Select the corrupted SD card and click 'First Aid' on the top.
Step 3: Wait until the reparation process finished.
Option 11: Format your SD card
If unfortunately, you receive the error message: 'Disk Utility can't repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files', the file system of your SD card is seriously damaged and you need to reformat it.
Step 1: Recover data from SD card.
Reformatting will erase all data on the SD card, so please recover important data from SD card first.
• How to recover data from SD card on Mac?
Step 2: Format your SD card with Disk Utility.
• How to format an SD card on Mac?
Option 12: Send SD card to an expert for reparation
If your SD card can't be seen in Disk Utility at all after trying all above methods, it means the SD card has some hardware problem so that Mac can't detect it. In this situation, you have no choice but to send the SD card to an expert for reparation.
Option 13: Replace SD card with a new one
If the warranty of your SD card is still valid, it's most likely time to invest in a replacement or ask for a refund.
Understanding why SD card not showing up or reading on Mac
However, there are times when you insert SD card into Mac, the SD card won't show up on Mac. Or what's worse, SD card won't work on your Mac. You must have experienced a similar situation. Don't be panicked, as you are not the only person, many Mac users have encountered this problem:
I connected my SD card to transfer some necessary files and folders, but my card is not recognized by MacBook Pro. I thought to check my card properly and I connected that SD card to my friend's machine but again card didn't get recognized on his Mac machine. Maybe there is a problem with my SD card? Any solution to resolve the issue?
Wondering why the SD card is not recognized by Mac? Go on, please.
SD cards are prone to be damaged. Here are 7 common reasons why an SD card isn't working on Mac.
In a word, you'll need to determine whether your SD card's error is due to a logical problem or a physical one. For the former, you can try to fix it by yourself, otherwise, you have to ask for help from a trained expert.
How to prevent 'SD card not showing up or reading on Mac' in future?
SD cards are easy to be damaged, but using them in the right way, corruption can be avoided to some extent. Read on for 7 effective tips to prevent 'SD card not working':
How to use and open SD card on Mac?
Apple dropped the SD card slot in MacBook Pro starting with 2016 model. While MacBook Air 2015 and later MacBook never included an SD slot.
If your Mac comes with a built-in SD card slot, you can insert a compatible SD card, avoiding using SD card that has a thickness greater than 2.1mm.
Windows 10 Won't Read Sd Card
When inserting SD card, you should make sure that the metal contacts face down and point toward the computer. Then your computer will recognize SD card inserted into the card slot as a storage device. You can read and write to SD card just like any other external drive.
Mac Won't Recognize Sd Card
• How to fix Mac not recognizing external drives issue?
But if your Mac doesn't have an SD card slot, you need to buy an SD card adapter. Insert the micro SD card into the slot face up with the gold pins going first.
How to open an SD card on Mac?
Step 1: Open SD card in Finder.
Click the Finder app, you will see your SD card listed in the left pane and then view the contents of the SD card in the right pane.
Step 2: Safely eject SD card.
After you finish your work on the SD card, you can remove it properly. But before that, you need to make sure that all data transfer to SD media is completed. Then the SD card will work correctly next time. To eject the card, drag its icon on the desktop to the Trash. After the icon disappears from your desktop, you are safe to remove the card from the slot.
You should avoid removing an SD card while your Mac is sleeping. It could lead to data loss. Always wake your computer, save your work, and then safely eject the SD card.
ConclusionWhy Won't My Sd Card Work
How to deal with SD card not working or recognized on Mac? No matter what causes this problem, there are lots of potential solutions. You can begin by checking the connection and then try to repair the corrupted SD card. If your SD card is still not recognized by Mac, you should format the SD card on Mac to see if this fixes your issue.
If you experience any data loss issue during this process, the good news is that your data can still be recovered with iBoysoft Data Recovery for Mac. This free Mac data recovery tool can recover deleted/lost photos from SD card quickly and easily.
Should you have another suggestion to fix SD card not working or detected issue on Mac? Or have any questions when you are using iBoysoft Data Recovery for Mac? Please feel free to contact us by sending an email.
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