Sony laptop won't reconnect to wireless router

This can be a sign of a memory failure, either the RAM is not clearing or the hard drive is on its' way out. Hold the power button down for 6 seconds for a "hard shutdown". Then restart and see if the problem persists.

make sure you turn the wireless switch on. It should be on either side or the front of the laptop.

Did you configure the new router and set the wireless on it?

If your internet provider is a phone company such as AT&T did you configure the router to be PPOE (and set the userid and password) and bridged the modem that goes into the router?

If your internet provider is a cable company did you set the router to be DHCP?

Does the Sony even see the wireless network in the View Available Wireless Networks list?

Did you put the wireless key in correctly?

You didn't by chance happen to hit the FN function key on the lower left portion of the keyboard + the key (F1 thru F12) that toggles the wireless on and off? The correct F1 thru F12 key to hit will have the wireless signal icon )))) or it will have the icon of a tower with the wireless signal )))).

You can connect it through your router with a cat-5 line but unless the laptop has a wireless card and installed you can't connect wireless.

Did you tried cable connection to your router to see if this works?
which windows its runing on?

If wireless connection drops its not all the time your laptop issue... its router transmitted channel conflict with laptop wireless card channel....
You might fix this by changing the router wireless setting by changing the transmission channel on it.and then re connect the laptop or it may auto reconnect with it and hopefully signal will not drop.

one is network card for cable connection to internet
one is wireless card for wireless connection to your router(with internet connection)

I will write more after I get your reply. As I am in the middle of my own issue now... ;)

hope this will help..


click here for solution

Try to open the Router page using "ROUTERLOGIN.COM" in IE and go to WAN Setup option in which u can see Disable SPI Firewall (check the box), also reduce the MTU Size to 1400 or 1390

CompuLayne: Hello bluebells953

Netgear is quite tricky as is with all other routers, but I don't think the router is your problem. Try to do the following.

1) Turn off Vaio laptop
2) unplug router
3) unplug modem
4) plug back in modem - wait for it to boot up
5) plug back in router - wait for it to boot up
6) turn back on the Vaio - log in and see if it sees the SID. If it isn't broadcasting, you might have to enter it in manually and select connect to non broadcasting network


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Please perform the following troubleshooting:

(i) Remove and reseat the RAM modules.
(ii) Remove the Battery and reinsert it after cleaning the metal contact.

If the issue persists even when the AC Adaptor is connected then try to get into the BIOS and check if the Computer restarts or shutdown automatically. Restart the Computer and press the F2 key as the VAIO logo appears to enter into the BIOS window. if the Computer shutdown even when in the BIOS then service will be required otherwise try reinstalling the Operating System.

try resetting the router and the modem at the same time. then if that doesn't work try restarting your computer, like digi2112 said try upgrading you firmware

try getting a new network card for your laptop.