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How to take out the SD card safely?
Settings -SD card and mobile phone storage-Delete SD card.

The SD card has been safely removed, which means that the memory card has been removed from the device and can be used again after reinstallation.

The possible reasons for this prompt are:

When the mobile phone is connected to the computer, select the storage configuration, and the SD card will be displayed on the mobile phone (this SD card is removed, which means mobile phone storage or mobile phone storage+expansion card. If an expansion card is inserted, it means that the mobile phone storage +SD card is removed.

There is no SD card inserted, indicating that the mobile phone storage has been removed. Because the mobile phone is connected to the computer and the storage device is selected, all the data or SD data stored in your mobile phone will be displayed on the computer, and the display on the mobile phone will be removed.

Application mode

The SD card shall be used for the following portable digital devices:

Digital cameras store photos and short films.

Digital cameras store photos and short films.

Tablet computers store all kinds of data.

Mobile phones store photos, ringtones, music, short films and other materials.

Multimedia player

SD card is mostly used for MP3 walkman, digital video camera, digital camera and so on. , also used in notebook computers. The rapid development of 2065 438+03sd card has begun to threaten the market share of CF card. Note, however, that in some products, such as mobile phones, SD cards and MMC cards are incompatible. The SD card capacity of 20 13 varies from 8MB to 128GB. ?

exception handling

Abnormal handling method of computer card reader:?

① If the SD card can browse photos normally in the camera, but it can't be recognized when plugged into the computer, it is probably caused by the driver mismatch of the SD socket. Find the correct SD card driver and update it. ?

② After the update, if a yellow warning number appears in the device manager and software with USB flash drive protection function is installed in the computer, it may be incompatible, and it can be recognized by restarting the computer. ?

Reference to the above content: Baidu Encyclopedia -SD card