|".it stopped working after I unplugged it when my computer hang..."|
The next time that happens, hold the power button in or down for at least 4 seconds until the mboard shuts off, or remove the AC power to the computer, when the computer hangs, to minimize the possibilty data on the external drive could be damaged.
External hard and optical drives require that the USB port(s) they are connected to can supply 500ma (1/2 amp) of current.
If the external drive is plugged into a USB port it can actually work with properly, you probably damaged data on the drive yourself by NOT using Safely Remove Hardware to STOP accessing it when you unplugged it while Windows was running. In most cases you can use certain programs to repair the data damage and have access to your data again.
Troubleshooting USB device problems including for flash drives, external drives, memory cards.
See Response 1:
...."now everytime I plug it in...its either my computer shuts down and reboots ...."
That has probably got nothing to do with the external hard drive.
Windows is set by default to automatically Restart when it encounters a fatal error - an error it can't recover from.
Press F8 repeatedly while booting, don't hold down the key, and when the Windows loading choices menu appears, choose
Disable automatic restart.......
When you see a blue screen with a message on it
- quote the STOP: 0Xx0000xx error (we don't need the stuff in brackets beside it)
- if there is a problem file named, tell us what it is.
- if the text mentions it made a mini dump file, that can be analyzed..
On some computers, they have a different use for the F8 key while booting, e.g you'll see a menu of devices to boot the computer from.
If you see that, read the text on the screen, press the key that exits that menu, then immediately press F8 repeatedly to get the Windows loading choices menu.