povilas4 wrote Region : Others Model : TL-WR740N Hardware Version : Not Clear Firmware Version : ISP : I seted up router and i coud acces the utility window, then i switced from w7x32 to w7x64 and...

Did you keep the package of it? Have a check. Otherwise, go to wireless network connection details to check physical address.

Maybe a compatible issue with motherboard on your PC. Did you ever try a different PC? Try to manually updatechipmaker's driver first. http://www.wikidevi.com/wiki/TP-LINK_TL-WN861N_v2

noorahmadmughal wrote is there no any solution for repairing or update firmware some people says go to market for repairing device I'm afraid not. Go to contact the shop where you purchased to...

As I know, is it in simplified Chinese or tranditional Chinese? Simplified Chinese product cannot be upgraded with a English firmware. It will cause damage to it.

Did you ever try the utility on their website? Maybe that works.