Depending on the state of the SD card (memory card), it may need to be formatted in advance to use it on the Samsung device. No PC/laptop is required, the memory card can be formatted directly on the Samsung device.

Note: If the memory card is formatted, all data on it will be deleted!

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Device care
Step 3:  Tap on  Storage
Step 4:  Tap on  Advanced
Step 5:  Tap on  SD card
Step 6:  Tap on  Format
Step 7:  Confirm with  Format SD card
  1. Open the Settings
  2. Tap on Device care
  3. Tap on Storage
  4. Tap on Advanced
  5. Tap on SD card
  6. Tap on Format
  7. Confirm with Format SD card

Samsung Instructions