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When you remove an SD card from its slot, you should *unmount* it first so you don't lose data. If you just pull it
out without first unmounting it, you could corrupt it and lose
data. This might have happened in your case or not. If you didn't remove it, try this.
Go to Settings>Storage>External SD, touch Unmount.
Then remove your SD card and using a Q-Tip and some
solvent like alcohol clean the copper contacts. Then slide it
back into the slot. The device should *Mount* it automatically.
If it still doesn't work, you could try hooking your device up to a computer via its USB cable and see if your computer can see any files on it. If it can't see any then somehow they could have gotten erased. Try loading them back. If they won't load and you get error messages, the SD card itself may have gone Kaput.
Mounting is done automatically by the device in most
Android tablets.
For an Android, all you have to do is insert the SD card in the slot and it will be mounted automatically. If you want to remove the card, though, you need to *unmount* it. You can unmount in Settings>Storage>External SD card and will see the unmount option listed below it. Touch it and then you can remove your SD card without the possibility of corrupting the files.
When you insert an SD card in the slot the tablet will *mount* it automatically. This means it connects to it and formats it and adds some files and folders so it can utilize it.
Before you remove it you need to go to Settings>Storage>External SD and touch the *unmount* option.
If you don't do this there is a chance the card can be corrupted and can become unusable. If the tablet said new SD card then you might have to go into Settings>Storage>External SD and touch the *Mount* option.
If it's a new SD card chances are you didn't hurt it. But if it's a use one on which you had a lot of data stored and you didn't unmount it before removing it you could have damaged the file structure and your only option to get it back would be to put it into a card reader on a laptop or desktop and reformat it.
Chances are the reader is defective. Try to plug it into another computer to confirm this. If it works try another USB device to confirm that the port is working.
The easiest way to restore the Cruz Reader to factory defaults is to update to the newest firmware which can be downloaded from here. The instructions for doing the upgrade are also explained on the link above.
This will revert everything back to original condition leaving any information on the internal and external memory cards intact. If you are looking to clear those as well you can do so by formatting the cards by going to Settings->Storage (might say SD card)->Unmount->Format. You can also take the cards out and put them in your computer and use the computer to format them.
The process is pretty of upgrading the firmware is pretty simple even though it might be intimidating. Let me know if you have any more questions
Before you can communicate with your computer you must run CruzSync from the desktop. There are some driver files that must be sent from cruz to point the way to the reader. After you do this it should connect every time. Some time you will have to pull the USB out and put it back end, especially if the reader or the computer has just woke up from a sleep or hibernation mode. ZumoDrive is the account you must set up when you click or press on CruzSync to make all of this happen. Hope this helps
After several tries, turning my reader on and off and re-syncing with the wireless network, I was able to get my computer to recognize the device and download the proper driver using the USB cable. I was then able to transfer books that I had downloaded from the library to my e-reader using adobe digital editions. I use Windows 7. There is hope!!!
Download the Ubuntu Live ISO (if you dont have it already) and burn it to CD Restart your computer (booting from the Ubuntu Live CD) Insert a 1GB or larger USB flash drive Open a terminal window and type sudo su Now type fdisk -l to list available drives/partitions (note which device is your flash drive Example: /dev/sdb). Throughout this tutorial, replace all instances of x with your flash drive letter. For example, if your flash drive is sdb, replace x with b. Type umount /dev/sdx1 Type fdisk /dev/sdx type p to show the existing partition and d to delete it type p again to show any remaining partitions (if partitions exist, repeat the previous step) type n to make a new partition type p for primary partition type 1 to make this the first partition hit enter to use the default 1st cylinder type +750M to set the partition size type a to make this partition active type 1 to select partition 1 type t to change the partition filesystem type 6 to select the fat16 file system type n to make another new partition type p for primary partition type 2 to make this the second partition hit enter to use the default cylinder hit enter again to use the default last cylinder type w to write the new partition table Type umount /dev/sdx1 to unmount the partition Type mkfs.vfat -F 16 -n usb /dev/sdx1 to format the first partition
"Alternately you can try mkfs.vfat -F 32 -n usb /dev/sdx1 (doesn't always work)" Type umount /dev/sdx2 to ensure the partition is unmounted Type mkfs.ext2 -b 4096 -L casper-rw /dev/sdx2 to format the second partition Remove and Re-insert your flash drive Back at the terminal, type sudo apt-get install syslinux mtools Type syslinux -sf /dev/sdx1 Restart your computer, remove the CD and boot back into Windows
Using Windows to prepare and move the files to the USB Stick: Create a folder named USB on your computer Download UBconvert.zip using this link - http://www.pendrivelinux.com/downloads/UBconvert.zip Now, extract the files to the USB folder Move the Ubuntu ISO downloaded earlier to the USB folder Click fixu.bat from the USB folder (follow on screen instructions) Move all files from the ubuntu directory to your memory stick Reboot your computer and set your system BIOS to boot from USB-HDD or USB-ZIP. Also set the "Hard Disk Boot Priority" if necessary.
You should now be booting into Ubuntu Linux from your USB drive!
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