Question any help to repair sd card?

Jan 18, 2020
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HELLO
i have memory sd card have 2gb and other 8GB
they booth not working
the 2gb the phone detect it but not show it and error message say ( format the sd card ) but no thing happen
the 8gb on phone not show any thing
on computer
the 2 gb ..the computer detect it and Mack sond contact but not show it
the 8GB no thing happen
i tray mack that solution
from run + diskmgmt.msc
the card sd show but no think happen even if i click by right boton all option visible but not working