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Author Topic: laptop causes wireless crash - wired still works  (Read 4418 times)

srschick

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laptop causes wireless crash - wired still works
« on: April 20, 2013, 07:05:01 AM »

problem started a few months ago. wireless kept crashing.  tracked it down to seeing it crash when certain Win7 Dell laptop tried to connect.  (Laptop is company owned with standard type of corporate AD authentication and image)
my wireless setting use WPA2 personal with AES encryption. use both N & G, auto rate and scan.

any time this laptop connected the wireless crashed, other devices didn't show SSID (both main and guest)
But wired connection continued to work fine. 
I removed the profile from the laptop, rebooted, and reconfigured the connection.  It started working fine.

For a few weeks.  then same ritual.  has happened a few times now.
i've updated the 655, factory reset it and reconfigured with different settings.
I'm thinking the Win7 laptop is causing the router to fault, maybe encryption from the laptop is faulting and causing the crash?

Any ideas?
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FurryNutz

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Re: laptop causes wireless crash - wired still works
« Reply #1 on: April 20, 2013, 12:07:55 PM »

Link>Welcome!
What Hardware version is your router? Look at sticker under router.
Link>What Firmware version is currently loaded? Found on routers web page under status.
What region are you located?
Are you wired or wireless connected to the router?
Has a Factory Reset been performed?
Ensure drivers are up to date for the adatper on the Laptop.

What ISP Service do you have? Cable or DSL?
What ISP Modem Mfr. and model # do you have?

Some things to try: - Log into the routers web page at 192.168.0.1. Use IE, Opera or FF to manage the router.
Turn off ALL QoS or Disable Traffic Shaping (DIR only) GameFuel (DGL only and if ON.) options. Advanced/QoS or Gamefuel.
Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual or under Setup/PARENTAL CONTROL/Set to>None: Static IP or Obtain Automatically From ISP.
Enable Use Unicasting (compatibility for some ISP DHCP Servers) under Setup/Internet/Manual.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking. This ensures each devices gets its own IP address when turned on and connected, eliminates IP address conflicts and helps in troubleshooting.
Ensure devices are set to auto obtain an IP address.
If IPv6 is an option on the router, select Local Connection Only or Disable IPv6 options under Setup/IPv6.
Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall.
Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules.
Turn off WISH, and WPS under Advanced.
WAN Port Speed set to Auto or specific speed? Some newer ISP modems support 1000Mb so manually setting to Gb speeds can be supported by the router. Advanced/Advanced Networking/WAN Port Speed
Set current Time Zone, Date and Time. Use an NTP server feature. Tools/Time.
 
Link>Wireless Installation Considerations
What wireless modes are you using? Under Setup/Wireless/Manual.
Try single mode G or N or mixed G and N?
Channel Width set for Auto 20/40Mhz or try 20Mhz only.
Try setting a manual channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear.
What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto.
What wireless devices do you have connected?
Any cordless house phones?
Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?
Try turning off Short GI, WLAN Partition,and Extra Wireless Protection if you have it. Under Advanced/Advanced Wireless.
Enable WMM Enable Under Advanced/Advanced Wireless.

Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic.
Turn off all devices accept for one wired PC while testing.
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FurryNutz

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Re: laptop causes wireless crash - wired still works
« Reply #2 on: June 11, 2013, 07:53:35 AM »

Any status on this?  ???
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.