7 The SD card does not appear when connected to the computer. 6 Slow computer when SD card is plugged in. 5 Sudden slow reading and writing while using SD card. I also don't know what the speed of this card is as there was no label on it. 4 Change the overall size of the SD card suddenly. I tried to use the 'USB format tool' that is used in the making of 'Hirens BootCD' and that does give me the FAT format option but if I use it I get a 'file system too large' error or something like that.
I tried to reformat using windows again but the only other option I get is NTFS which it will format in but again is not recognized in any of my devices. I formatted it as exFAT which completed fine but it won't recognize in my Canon camera or Hitachi professional camcorder, both of which state they take 64GB SD cards. Format SD Card for Android Is Easy, and You Can Manage This On Your Own. This app is designed for 100 GB RAM devices but it is also very effective for 64GB, 32GB, 16GB, 8GB, 6GB, 4GB, 3GB, 2GB. This wikiHow teaches you how to erase the data from your SD card using an Android device. Re-format the SD card on your PC using File Explorer or third-party SD card formatter - EaseUS Partition Master Free, as shown in Guide 1 and Guide 2. I decided to use Windows to format it and selected the default file system which displayed as exFAT. if your phone is very slow, 512 GB Storage space phone Cleaner is your best choice to get free ram extender and memory booster. I put it in my USB SD card reader and it opened up explorer but it had no files on it. Part 1: Format a NEW SD card on Android for internal memory or external storage. I had to do some work with a craft knife to get it to fit but I was successful. I took it home and re-cased the chip it in a 4GB SD card case. I recently found a 64GB SD card with a broken casing and no label on it.