See this wiki page: Asus TFTP Flash Special for Vista, Win7 and Win 2008 Some routers like the Asus WL-500xx series (WL-500G, WL-500G Premium, WL-500W, WL-500G Deluxe), need additional steps to perform a complete and proper initial flash. Read about timing problems below: TFTP flash#Special for Vista, Win7 and Win 2008.If the router isn't responding, it is soft-bricked (use OEM firmware) TTL=64 means application code has been reached.Plug in the router and start the TFTP client as soon as there is a TTL=100 ping response.Setup the TFTP client, then start a continuous ping ( -t switch is needed for this in Windows) to the router.Use a mini build for 4+ MB flash devices (when possible) or micro build for 2 MB flash devices.For recovering a bad flash, the OEM firmware might be required.Use the Supported_Devices, the device wiki, or the forum for recommended files. Set a fixed IP address on the PC with the same network as your router, e.g.Unplug the router, get a TFTP client for the PC, and connect it via network cable to a router LAN port.This article describes how to do an initial flash or a TFTP recovery flash for your device.

1.2 Special for Vista, Win7 and Win 2008.1.1 Special Asus TFTP Flashing Procedures.

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