1. I don't recognize the SD card caused by the BIOS.
A. Turn on the computer and press the DEL key to check the BIOS date.
B. If the BIOS date is before August 2019, the new version of the BIO file will be given to the customer.
2.Unknown SD card due to hardware problem
A. The SD card is damaged. Do you mind if you try another SD card?
B. Check if the SD card is inserted into the SD card slot on the front.
C. Detecting SD card slot for foreign matter
T5 cannot recognize SD card
Re: T5 cannot recognize SD card
The SD card is too slow. I chose the GK1 top version for a better experience.