Plugged wrong power cable into maxtor onetouch 4 750gb external drive. now drive makes no sound, and front light blinks rapidly

You said it has stopped being picked up when plugged in so I hope this is note is relevantbut I don't think it is abnormal for it just to blink.

If the OneTouch does not appear in My Computer or cannot befound by Maxtor Manager, right click on My Computer icon and select Properties,Device Manager, Disc drives, and expand Disc Drives.

There may be ayellow overlay over Maxtor drive, to show it has a problem, so right click onit and select 'Choose drivers for this device' to reinstall them.

Without goingonline they seem to be found and reinstalled from somewhere locally on the PC and I hope this willdo the trick.
Also in case this helps, I don't find the OneTouch (Maxtor Manager) software appears when the driveis plugged in, so I think this is normal too.

You should look for an icon (a capital M within a blue disc) for Maxtor Managerin the taskbar, at the bottom right of the PC's screen.

Right clicking on this icon, (capital M), should bring up awindow with Maxtor Manager at the top.

Then click on the text 'Maxtor Manager' to open the program's window.

Hope this is what you wanted.

HI check this link for th troubleshooter guide Maxtor TS
and this link for the softwares- softwares

hope this will help

Try it on another computer. Is the blue light on the front on or blinking?

Connect it to a different computer. If it still is not detected, then there is a hardware problem. Exercise the warranty to get it repaired/replaced.

Please Make sure you External Hard disk USB cable is working correctly. Your cable is probably having partial contact, so try another cable

if there is warranty take it back to the shop you bought it from.

Are you connecting Drive via a USB hub or direct into two separate USB sockets on PC?

Check cmos to see if usb ports are enabled? If Windos 2000 you need a usb driver disk.

One hard drive failure mode is a power circuit short. Contact MAXTOR support on their web site for a possible warranty replacement. BTW, SEAGATE owns MAXTOR now.

Damage