TP-Link AC1200
Start the console session.
Plug in serial cable to device from PC COM1 port
Open PuTTY and select "Serial" connection type, change baud rate (Speed) to 115200 and leave other settings as default.
Plug power into device and if a power button exists, turn it on.
Erase configuration.
Press a key when prompted and before the countdown ends to get to the "TP-LINK Uboot Main Menu":
U-Boot 2012.10.esdk.7 (Jan 22 2016 - 14:31:53) *** Warning - bad CRC, using default environment arm_clk=800MHz, axi_clk=400MHz, apb_clk=200MHz, arm_periph_clk=400MHz Hit any key to stop autoboot: 0 ========= <TP-LINK Uboot Main Menu> ========= <1> Reboot <2> Reset factory <3> Set User Config <4> Start up system <5> Set local ip address <6> Set Tftp ip address <7> Software version display <8> Upgrade Firmware -> =============================================
Enter 2 for "Reset Factory" at the Enter your choice(1-8): prompt, typing yes to confirm:
Enter your choice(1-8):2 Warnning! Reset device to factory setting now? Input 'yes' to confirm:yes ********************************************* ***Please wait while clean user settings.*** ********************************************* len: 00010000, offset: 00d50000 len: 00010000, offset: 00d60000 len: 00010000, offset: 00d70000 len: 00010000, offset: 00d80000 len: 00010000, offset: 00d90000 len: 00010000, offset: 00da0000 len: 00010000, offset: 00db0000 len: 00010000, offset: 00dc0000 len: 00010000, offset: 00dd0000 len: 00010000, offset: 00de0000 len: 00010000, offset: 00df0000 len: 00010000, offset: 00e00000 len: 00010000, offset: 00e10000 len: 00010000, offset: 00e20000 len: 00010000, offset: 00e30000 len: 00010000, offset: 00e40000 len: 00010000, offset: 00e50000 len: 00010000, offset: 00e60000 len: 00010000, offset: 00e70000 len: 00010000, offset: 00e80000 len: 00010000, offset: 00e90000 len: 00010000, offset: 00ea0000 len: 00010000, offset: 00eb0000 len: 00010000, offset: 00ec0000 len: 00010000, offset: 00ed0000 len: 00010000, offset: 00ee0000 len: 00010000, offset: 00ef0000 len: 00010000, offset: 00f00000 len: 00010000, offset: 00f10000 len: 00010000, offset: 00f20000 len: 00010000, offset: 00f30000 len: 00010000, offset: 00f40000 resetting ...
Copy all the output from the session into your records.
Right-click PuTTY's titlebar, from that dropdown menu click on "Copy All to Clipboard"
Open the file of record certifying the deconfiguration of this device and use CTRL V to paste all the output from PuTTY into that file. Formatting the text with a fixed-width font helps it look more readable.
End the session.
Close PuTTy.