the roms will not load!!!

hi
i have a TTDSI with kingston 2 GB micro sd card.
i have downloaded some games they work but when i click on a game the loading take 5-7 minuttes to load the game. The games load fast on my brothers micro sd card. i think the is a problem with the micro sd. i have formated the micro sd but that dont help. the nintendo dsi and the ttds work fine with my brothers dsi but not in my dsi.
i have formated the card to fat32 and i have the latest 1.17a12 firmware.
plessse hellp :'(

I have a feeling it's got something to do with an update, but since I don't know anything about that, you could always try using an older firmware version in the meantime while you wait for an answer from somebody else.

that dont help

Run a chkdsk on the SD Card, probably a couple of bad blocks.

[color=purple][b]Use the new TTDS 1.17a13_rev13
http://www.ds-scene.net/?s=viewtopic&nid=9657

i have downloaded the latest firmware but that dont help me

Just ignore me then eh.

i have tried but that not helped me
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i have tried with 0ne block and 30 blocks but is still slow loading