The E drive will be specific to your computer, so it is hard to tell what the E drive on your computer is exactly.
Here is some general advice for erasing drives
In "my computer", when you right click on any drive, you can click "Format Drive" then you should be able to erase the drive from there.
This doesn't work on some DVD drives
by simply right clicking it and press delete
Do you mean HOW TO ERASE or did they erase by themselves and you want to know why?
I think so. But don't sync your videos because you might erase your videos.
To erase a USB memory stick, using a MAC, use the application Disk Utility. With the USB stick inserted into the USB drive, highlight that stick from the list of drives. Then select erase. It will erase all of the files on the drive and reformat it. You can also use a program called Houdini 2, which will allow you to see hidden files, move, and erase them.
The word erase has two syllables. (e-rase)
To completely erase the data on the hard drive.
You can rely on Mac system CD or a Mac Eraser to freely yet securely erase a Mac hard drive. See resources link.
Use ErAce from erace.it
The amount of write and erase cycles on a USB flash drive will depend on the flash drive. It is best to check with the manufacturer, because too many write and erase cycles can affect the length of time the flash drive will operate.
erase.
D-N-E- Do Not Erase - 2012 was released on: USA: 1 September 2012
You cannot erase stuff on club penguin. By the way, heres how to spell erase: E-R-A-S-E