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[mfollbaum]

I just acquired a Kindle Fire for my wife.  Joined my Dir-655 network just fine.  I have never done a firmware update (using 1.10) and have lived by the "if it ain't broke. . . " axiom.  Dell laptops, Mac laptops and desktops, Wii, X-box, LG Cinema TV, Roku, iPad, multiple iPhones and iPods all connect and work fine (with the occasional (once a month) reboot of the router necessary). Using cable modem (bridge mode), no historic issues.  Suddenly when the Kindle Fire is utilizing the network at the same time as one or two other devices, the network crashes, and a power down reboot is necessary.  A google search reveals a fair number of complaints about this across router brands.  Any ideas or settings as a known or potential fix for this problem?

Thanks for the help.

[FurryNutz]

Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall.
Enable uPnP and Multi-cast Streaming under Advanced/Networking.

What wireless modes are you using? Under Setup/Wireless/Manual.
Try single mode G or mixed G and N?
What security mode are you using? Preferred security is WPA-Personal. WPA2/Auto TPIK and AES. Some WiFi adapters don't support AES, so you might want to try TPIK only.
Any cordless house phones?
Any other WiFi routers in the area? Use InSSIDer to find out.
Turn off Short GI and Extra Wireless Protection if you have it. Under Advanced/Advanced Wireless.