download this file
https://sourceforge.net/project/showfiles.php?group_id=266976&package_id=328254&release_id=692231
use 7zip or winrar to open the archive
extract the file called
WRTWRT54G_WRT54GL.bin
in the linksys login -to get here.. enter 192.168.1.1 admin/admin in the address bar
use the firmware update screen to update using that file you extracted.
then do an NVram clear
https://sourceforge.net/project/showfiles.php?group_id=266976&package_id=328254&release_id=692231
use 7zip or winrar to open the archive
extract the file called
WRTWRT54G_WRT54GL.bin
in the linksys login -to get here.. enter 192.168.1.1 admin/admin in the address bar
use the firmware update screen to update using that file you extracted.
then do an NVram clear