Try using a USB to SD card reader and see if it picks up, if it does pick up looks like you got a faulty SD card reader
To see if it reads do the steps listen below
1. Open the settings app
2. Go to data management
3. Select copy/move/delete data
If you dont see your USB to SD card reader in...
I went to a garage sell last saturday, and the lady had a PS2 for sale, but she had a sign on it that said "Nintendo -$50", had to laugh, almost bought but she didn't know if worked, and she didn't have controller or cables, so I passed.