Hard reset TP-LINK TL-WR1042ND

Factory reset (Hard reset)Power the router ON and locate the reset button-hole on the rear panel. Use a pin to press into the hole and hold for (at least) 5 seconds. Release and wait for a minute until the reboot process is over.
FirmwareFirmware link
Default usernameadmin
Default passwordadmin
Default IP address192.168.1.1