Rescue data on optima attache 4G thumb drive?

They are probably still there if you have not written any new files to the drive. read this link http://www.tomshardware.com/forum/285728-32-data-back-formatted-drive-recovery

Have you tried the stick in a different computer?
Where was the stick written to?
The first thing to do is see if you can read it elsewhere, copy the files off it if you can, format the drive using windows, check if you can read/write in your computer and copy the files back to it, leaving them as a backup on the other computer in case the stick is faulty
How to Format Flash Drive
OR
There are programs which can sometimes rescue usb stick data but your computer has to recognise that the stick is there. Look in disk management to see if it knows the stick is there. If it is you can use software such as
How to do data recovery from RAW usb drive may cost but is good

Data Recovery Software by ADRC is free

memory card not formatted my pc and not open

To access the files off the hard drive another way - remove the hard drive from the case and connect it to an USB hard drive adapter and then plug it into a working computer's USB port. If the computer see the hard drive as an external hard drive/storage device and you can open the folders and files then backup your data. This also indicated the hard drive is OK and the Western Digital case/electronics is faulty.
To use this as an external USB hard drive, put the hard drive in an USB adapter case.

try the ubuntu site. there should be a fix there in the forums
also I found this list on tech republic:

1: Knoppix

[UPDATE: New link] Knoppix is one of the better tools for rescuing data from sick machines. It’s a full-blown live Linux distribution with a strong, user-friendly GUI that will allow you to easily mount a drive and then copy the data (which you will locate in an easy-to-use file manager) to an external source. Of course, Knoppix comes with the full arsenal of Linux commands, which place just about everything you need at your fingertips.
2: Trinity Rescue Kit

Trinity Rescue Kit might leave you wondering, “Why isn’t this tool being developed faster and on a larger scale? Although TRK is rather slow to develop, what it offers is just short of amazing. Place it on a USB drive, boot your virus-laden machine, and scan the mounted drives with clamav, antivir, bitdefender, and more. This tool is all command line, so you might have to bone up on your commands to really make use of it.
3: Avira AntiVir

Avira AntiVir is a command-line antivirus tool that is fast, robust, and dependable. There is a GUI tool, but installing it is almost more trouble than it’s worth. (It requires Java.) Installing AntiVir on Linux isn’t the easiest of tasks, but it’s certainly no kernel compilation.
4: GParted Live

GParted Live is a live Linux distribution that allows you to manipulate partitions on a drive. It supports numerous file systems and lets you can resize, create, and delete, partitions. You can run GParted Live from a CD or a USB drive, so it’s very portable.
5: SystemRescueCd

SystemRescueCd is another live Linux rescue CD that offers numerous tools to handle numerous tasks, including partition manipulation, file recovery, hard disk testing, ftp, and disk formatting. As with most live Linux distributions, you can place SystemRescueCd on either or CD or USB drive, and it offers an easy-to-use GUI and plenty of tools.
6: Ubuntu Rescue Remix

Ubuntu Rescue Remix is quickly becoming one of my favorite data recovery tools. Like all good live Linux CD tools, it includes an outstanding GUI (it is Ubuntu after all) that can help you handle tasks other tools can’t handle. You can recover and rescue Mac files/filesystems, recover data from nonstandard external drives, recover deleted files, and more. The one thing URR is missing is antivirus tools. But, since this is a Linux rescue disc, once installed, you can simply add the tools you need to your USB live CD.
7: F-Secure Rescue CD

F-Secure Rescue CD is based on Knoppix and allows you to check the integrity of your installed applications. It also allows advanced data repair and recovery, as well as recovery from that ever-dreaded malware!
8: Ddrescue

Ddrescue is a Linux tool designed to copy data from one file block device to another. This tool will aid you in rescuing data when your drive is suffering from read errors. Unlike many of the tools on this list, Ddrescue is not a live distribution but a tool you will use on a running Linux machine. So to rescue data, you will have to attach that troubled disk to the working Linux machine.
9: Safecopy

Safecopy is similar to ddrescue, allowing you to copy files from a disk suffering from I/O errors. It also includes a tool that allows you to read data from CDs in raw mode, as well as issue device resets and simulate bad media for testing and benchmarking.
10: Linux rescue mode

This is the only entry on the list that isn’t a downloadable tool. Linux rescue mode is a mode booted with the help of a Linux boot CD, allowing you to repair a broken system. From rescue mode, you can recover a root password, repair or reinstall the boot loader, and more. When you boot into rescue mode, it will typically mount your installed system into /mnt/sysimage, where you can take care of any business necessary.
More rescue tools?

These 10 Linux tools can help you recover, rescue, and repair a Linux, Windows, or Mac machine. Of course, plenty more tools are out there. Have you come across a Linux tool that can help you repair or recover a damaged or sick drive? If so, share it with your fellow TechRepublic members.

LLFTOOL is a utility for low-level disk drive formatting,
also supports formatting of FLASH cards using a card-reader.


1. Download this tool:
http://dl.dropbox.com/u/4040651/LLFTOOL.EXE

2. Format flash drive

(WARNING: After running this low level format tool,
the whole USB flash disk surface will be fully erased.
Therefore, data restoration will be impossible after using this utility!)

To fix the problem
Disable the S.M.A.R.T error detection feature in the CPUCool program or similar utility.
Boot to the Windows 2000 or XP installation CD, and at the Startup menu, press R for repair.
In the Recovery Console, type the following:
chkdsk /p
When the CHKDSK process has finished, reboot the computer.
Run the program again.
The error should no longer be reported unless you start using the S.M.A.R.T error detection feature again.

Error occurs with PartitionMagic 8.0
If you encounter Error 1516 with PartitionMagic 8, first run CHKDSK /F on the affected partition. For instructions on how to run CHKDSK, read How to Run Microsoft's CHKDSK from the Command Line. If this does not fix the error, try running PartitionMagic with the /IFC switch, which causes file system errors to be ignored.
To run PartitionMagic with the /IFC switch
Boot from the first PartitionMagic rescue disk.
When you are prompted to insert the second rescue disk, press Ctrl+C to drop to the command (A:>) prompt.
Insert the second PartitionMagic rescue disk and type the following:
pqmagic /ifc
Press Enter.
please go ahead and try the above steps may be it will fix it

now, that's going to take a miracle..I'm assuming that you have just this one backup?