Recover lost files in sandisk 1gb micro cruzer

You need rely on professional file recovery tool to get them back. A popular one is this photo recovery. This tool can deep scan the memory card and recover your lost files back without requiring extra skills. Here is the steps might be helpful to you:
1. Connect the memory card to computer. Under "My Computer", note the drive letter assigned to your memory card (usually G: or H:).
2. Download this data recovery program on your compute. here is the link: http://www.asoftech.com/adr/
3. Install and start the program. then click on settings on top right part of the program, check videos and click OK.
4. select the drive where your lost files located, click Start. Now the scanning process will start to search the deleted files. After a while you will then get a list of recoverable files.
5. Press Recover to perform full recovery.

To start with, immediately stop using the USB flash drive to store more data in case data got overwritten. Then use this usb flash drive recover tool to get them back as soon as possible.

I have succeed to recover pictures from SD card with Tenorshare Data Recovery.If needed,you can download it and scan your SD card for free to preview whether your lost files can be recovered. Get it from http://www.any-data-recovery.com/sd-card-recovery.htm

Have erased your desired files for accidental deleting or formatting? It always necessary to save several copies of important memory card information on different drives, locations or Could storage. Next time, never forget to create Micro SD card data backups again.
And now, as to your lost files, attach this Micro SD card to your PC and check whether your preferable stuffs could be restored back with memory card data recovery software. Simply open your computer and search for "memory card data recovery". And then, according to your conditions, simply choose a proper one as you wish.
Check this to know more detailed information:
How to restore deleted files from SD card

Photo recovery process makes easy through Kernel Recovery for Digital Media software. It can easily restore all photo without hassle. You can run this apps without technical knowledge. Read recovery process http://digitalmediarecovery.blogspot.com/2013/12/retrieve-lost-data-from-memory-card.html

It is always a good a habit to back up everything important well as possible as you can. In your case, data backups always could be the easiest way to get back your lost files. So, you should learn to back up your needed data at least on two drives.
Of course, I don't mean that there is not way to save the lost files right now. You are supposed to download a data recovery program to your computer and restore your lost files as soon as possible.
Here is a PC data recovery freeware that could help you a lot:
http://www.freeware-fix.blogspot.com/2013/02/data-recovery-for-pc.html

First of all you have to open window disk manager and you need to follow the instruction.

karan chanana - karan

You must try some data recovery software. try Kernel for Windows Data Recovery i have personally used this software and it worked like a charm for me. It perfectly recovers data from deleted, formatted, and damaged partitions without errors.
http://www.fileundelete.org/

You can recover the files as long as the data not overwritten, which means if you continue to save more files to the device there will be a possibility.

First of All, connect your cruzer USB flash to your personal computer (shows lick Drive G: or H:)

Next take a file recovery software to recover the data as soon as possible. Recommended one is Wondershare Data Recovery. Get the program here,

Windows Data Recovery (Windows Version)
Mac Data Recovery (Mac OS version)

Take care - Before those items are recovered, stop saving more files to the device!

Very easy.

www.seagate.com download the recover files software.it works and there are many other soft wares at www.download.com