razr maxx sd card

[rubicondc]

so im moving up(?) to a maxx from a thunderbolt,i moved my sd card and it wont "mount",ive tried 4 different cards---all the same result,phone shows 16g no matter if i use 1,2,8,32g cards i just got phone from my mom(so it was untouched) and it worked with her card, i rooted it before i installed card with my backups on it, "de"rooted it,factory reset,etc.,etc. it is razr maxx 4.1.2 98.72.16.xt912 oh btw i can read every card on adapter in pc,not thru phone though

 

[B. Diddy]

Welcome to Android Central! When you say it only shows 16 GB, do you mean that it only reports the 16 GB from the phone's onboard storage? In the Settings/Storage menu, does anything even show up under the SD Card section? If the card doesn't show up, is there an option for "Mount SD Card"?

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[rubicondc]

yeah it only shows the internal 16 gigs,there is no option for mounting card(greyed out as if it isnt seeing the card) i tried re-formatting the sd card on pc to fat32 to no avail, ive read that these phones are picky about cards but i think ive got a bad phone