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Why is my SD Card not working or cannot be read?

Updated: 12/30/2021 past Computer Promise

SD cards are a great for storage of digital media, like photos or video clips in digital cameras, camcorders, MP3 players, and phones. Below are some of the reasons these cards may not piece of work with a computer.

Test the SD carte

If the SD card works with your device (e.g., tin see pictures on the camera) but doesn't work with your computer, it'southward safe to presume the computer card reader has issues. A temporary workaround would exist to connect the camera, phone, or another device to the computer using a USB cable with the SD card in the device. Once continued, you tin transfer the information from the device to the calculator without using the SD card in your calculator. Skip to checking the USB adapters to start troubleshooting and finding a more permanent solution.

If the SD carte does not work with your device (due east.thou., camera) and isn't recognized by your estimator, the SD card may be bad. Skip to check write-protection to offset troubleshooting SD card related problems.

Note

If your smartphone cannot read an SD card, the bill of fare may have been formatted by a device that's incompatible with your phone'south operating organisation. If you lot're experiencing this trouble, visit your phone manufacturer's website for back up.

Congenital-in memory carte du jour reader

Some laptop computers and desktop computers have a built-in memory card reader. The retentivity card reader may non be working properly and causing information technology to not read the memory card.

If you have access to another retention menu, insert it into the computer reader to run across if it can be read. If it tin be read, your memory carte is bad and likely needs to exist replaced. If the other memory carte du jour is likewise not readable by the built-in memory card reader, it is a cord possibility the memory card reader is not working. Yous would need to have an authorized service eye look at and repair or replace the memory card reader in your computer. You tin also endeavour using an external USB memory card reader instead.

Checking the USB adapters

If you are trying to access the SD card using a USB carte du jour reader that connects to a USB port on the estimator, try the suggestions below.

Apply back USB ports

If you accept a reckoner with front and dorsum USB ports and the reader connects to the front ports, endeavour using the back USB ports.

Disconnect and reconnect USB cable

Make sure the USB connector is deeply fastened to the USB port. You can verify its connectedness by disconnecting the USB connector and re-connecting it to the USB port.

Also, make sure the USB connector is securely connected to card reader as well. If this connection is loose, it tin can cause the carte reader non to piece of work properly or at all.

Disconnect and restart computer

Disconnect the USB connector, restart the computer, and then re-connect the USB connector to the USB port. Sometimes this resets the connection and allows the device to piece of work properly again and read the SD card.

Install available drivers

Some USB card readers may accept drivers available on the manufacturer'south website. In well-nigh cases, Windows does automatically detect and install standard drivers, but some bill of fare readers may piece of work better with drivers designed specifically for that device.

Test different types of digital media card

If your USB card reader is capable of reading types of digital media cards, effort reading a dissimilar bill of fare to exam the reader. If more than 1 carte cannot be read, and then the USB card reader may be defective and unable to read SD cards.

Press the carte du jour in a niggling harder

With some bill of fare readers, the SD card may accept to be pressed in a picayune harder. Do not strength the SD card into the slot, but effort pressing in a little more than yous ordinarily would to brand sure it is firmly inserted into the slot.

No drive icon in my reckoner

Afterward inserting the SD card into your card reader, if at that place's no drive letter in My Computer to admission the SD bill of fare, the reckoner may be low on virtual memory. To resolve this issue, close all open up programs and allow your computer to idle for a few minutes. Plug in the SD carte once again and see if the drive letter of the alphabet appears.

Likewise, if your computer has Windows Vista, yous may need to download and install a patch to fix a known bug relating to issues with reading SD cards in Windows Vista.

Bank check write-protection

Many SD cards have a feature called write-protection toggled on and off by a switch on the left side of the SD menu. With write-protection enabled, files cannot be modified.

If your SD card has a write-protection switch, make sure it's disabled, or in the opposite direction that points to "LOCK" on the card. And so you can try using the SD card once again and see if this fixes the issue.

Formatting

With some card readers, the card is formatted much like how a disk drive is formatted when offset used in a computer. In some cases, the device may format the SD card in a fashion that makes it simply readable by that device and nothing else.

Note

If you lot have trouble getting an SD carte to piece of work with your smartphone, the card may be formatted in a format your smartphone doesn't support.

If both the device (east.grand., camera) and computer tin read the SD card, the computer can access the media regardless of how it is formatted.

A potential fix would be to format the SD bill of fare to make the card readable once more, only keep in mind that this erases the carte. Formatting should be done every bit a last endeavor at getting the card to piece of work.

Replacement

If the above solutions do not work for you lot, it may be necessary to purchase a new SD carte as a replacement. Like whatsoever storage media, SD cards fail over time, depending on how much utilise it gets and where information technology is used. All-encompassing apply or harsher environments (extreme temperatures or humid climate) can result in SD card failure.

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Source: https://www.computerhope.com/issues/ch001558.htm

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