|USB devices may not work correctly when they're connected to certain USB ports e.g. ports in a hub or on the front of a desktop case. If you have a desktop computer, you may have an IRQ sharing problem you need to fix. |
See response 3 in this:
Also - if you are using a USB extension cable, some of them have inadequate wiring and will not work properly with some USB devices.
"the File system is RAW"
indicates the USB drive is not software partitioned, or, at least, Windows isn't detecting it as software partitioned.
A 2gb drive is supposed to be software partitioned using the FAT file system.
You can't delete or create a partition or partitions on USB flash drives in Windows by default.
You can't format a partition if it hasn't been software partitioned using something Windows recognizes, or if Windows does not detect it as having been.
If you just want to be able to use the USB drive and don't care about any data that may already be on it, see this - use the Lexar Flip Removable Bit tool so that you can partition and format it in Windows.
After you have partitioned it, you should use the same tool to flip the removable bit back.
If you DO have data on the drive you were previously able to access, try using one of these prgrams to recover the data:
Testdisk - get the Stable version:
PC Inspector (freeware)
Zero assumption Recovery
The demo is limited
It will only recover 'up to' four folders per run
But you can make multiple runs
If you WERE able to access data on this drive previously....
The data on a flash drive, memory card, or on an external drive, is usually damaged as a result of you NOT doing the right thing when you unplug the device while Windows is running.
You are supposed to click on the Safely Remove Hardware icon in your taskbar lower right, and choose to STOP accessing the device you want to unplug BEFORE you unplug it, if Windows is running !
(You can unplug it at any time when the computer is not running.)
In XP and 2000 the Safely Remove Hardware icon is a grey rectangle with a bright green arrow over it. In Vista and probably Windows 7 it's a mid green circle with a white checkmark on it. It may be hidden - in that case, you need to click on the < at the left end of the taskbar icons to reveal it.
If you were accessing the device just before you click on the Safely Remove Hardware icon, you may not be allowed to STOP accessing it. In that case, access some other drive letter, then click on the Safely Remove Hardware icon, and then you WILL be able to STOP accessing the device.