Hard reset TP-LINK TD-W8901G

Factory reset (Hard reset)Power On the router and locate the reset button (hole) on the back panel. Use a pin to press and hold the button for at least 5 seconds. Release and wait for at least 1 minute for the router to reboot.
FirmwareFirmware link
Default usernameadmin
Default passwordadmin
Default IP address192.168.1.1