BEFW11S4 WLan light is off

My laptop can no longer connect to my BEFW11S4 v2 router.    The "WLAN Link" light is off.    I have the latest firmware, 1.45.10, reflashed it twice and tried an older version of firmware from the Linksys ftp site without success, then reloaded 1.45.10.    The router has wireless "enabled" and SSID broadcast "enabled".   I also did a "one minute reset" on the back of the router but had no success in getting WLAN to light up.
My "wired" ports on the router are having no problems connecting to the Internet.    All other lights are functioning normally.   The "wireless" had been working for about two years.
Any suggestions on what else I can try...?

Ok. so the laptop and your PSP cannot detect the router? it seems that your are familiar going to the setup page of the router. so access the setup page again, then go to the wireless tab. make sure that "wireless ssid broadcast" is set to "enabled", and you may also want to try changing channels on the router. after changing channels, powercycle the router (turning it ON and OFF), if same problem, reply to this message.

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