Arduino leonardo "L" led always on after trying to replace a broken bootloader

Using Arduino Installation & Troubleshooting
#1

Hi ,

I have a problem with bootloader in my arduino leonardo , so i try to re-burn it with parallel port method , but no luk .. before that my arduino was detected but no code can be uploaded , now it wont show in device manager !

can i fix it ? or it s hopeless to try to burn the bootloader again ?

help please it s a new arduino and it was hard to get it :frowning:

#2

Did you see this, symptoms identical to yours.....seems to work for this guy so good luck.

#3