My laptop is not detecting my external hdd

[Guest]

i'm using this external hard disk!! and nw 4 some reason my lapi is not detecting it!!! the device management can detect it but its not visisble on "my computer" its was working completely fine but nw my lapi is simply not detecting it!!!! plz someone help me!!!

 

[Wamphryi]

Try Control Panel / Administrative tools / Computer Management / Disk Management. See if the drive is listed in there and if it require initialisation. If it asks to format the disk beware data loss. It may pay to try another computer so you may be able to back the drive up.

 

[buwish]

Best answer selected by buwish.