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The Graveyard - Products No Longer Supported => Routers / COVR => DIR-890L => Topic started by: starbase007 on September 20, 2016, 06:46:06 AM

Title: DIR-890L - 2.4 WiFi Connection Issue
Post by: starbase007 on September 20, 2016, 06:46:06 AM

Hi,

I searched everywhere but can't seem to find a resolution to this issue...  My small office has a DIR-890L router.  The router is set to broadcast both the 5g and 2.4 signals.  Most devices here have dual band NIC cards and connect to the 5g WiFi.  However, there are some PC's in our office that do not have dual band NIC cards.  For some reason that I can't explain after time the older single band NIC PC's disconnect for the 2.4 WiFi network and will not reconnect to it unless I reset the router.  For example, the older PC will be connected to the 2.4 WiFi, but over time I discover that they all have disconnected and will no reconnect to the WiFi.  The dual-band PC's stay connected to the 5g connection and never drop.  However, when I try to connect on of the dual band PC's to the 2.4 WiFi network they don't connect either. 

The PC's can see the 2.4 WiFi network but just can't connect to it.  The only way to resolve this issue is to restart the router.  Sometimes I can't do that during office hours cause it would disrupt others using the WiFi for business purposes.  Any thoughts on how I can get the 2.4 connection to remain up and prevent the older PC's from disconnecting / unable to connect to it? 

I can send the router settings if needed... Just let me know what settings you would need from our router. 

Thank you for your help!

Title: Re: DIR-890L - 2.4 WiFi Connection Issue
Post by: FurryNutz on September 20, 2016, 06:56:46 AM

Link>

Welcome! (http://forums.dlink.com/index.php?topic=48135.0)

• Link>What Firmware (http://forums.dlink.com/index.php?topic=47512.0) version is currently loaded? Found on the routers web page under status.
• What region are you located?

Internet Service Provider and Modem Configurations

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

Router and Wired Configurations
Some things to try: - Log into the routers web page at 192.168.0.1. Use IE, Opera or FF to manage the router. Besure to log into the Admin account on the router.

• Setup DHCP (http://forums.dlink.com/index.php?topic=58017.0) 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 and maintain consistency for applications that need to connect as well as mapped drives.
• Ensure devices are set to auto obtain an IP address.
• If IPv6 (http://en.wikipedia.org/wiki/Ipv6) is an option on the router, select Local Connection Only under Setup/IPv6.

Wireless Configurations
Links>Wireless Installation Considerations (http://forums.dlink.com/index.php?topic=48327.0) and Managing Signal Congestion (http://forums.dlink.com/index.php?topic=53228.0) and Good Neighbour Policy (http://forums.dlink.com/index.php?topic=10634.0)

• What wireless modes are you using?
• 2.4Ghz and 5Ghz routers: Try single mode G or N or mixed G and N on 2.4Ghz and single mode N or AC on 5Ghz?
• Channel Width set for Auto 20/40Mhz or try 20Mhz only.
• Try setting a manual Channel (http://en.wikipedia.org/wiki/Wireless_channels) to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. Try channel 48 or 149 on 5Ghz.
• What security mode are you using?
• What wireless devices do you have connected? Mfr and Model #. Possible some older Wifi adapters may not work well with newer generation routers...
• Ensure any devices with WiFi adapter drivers are updated.
• Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
• Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner (http://forums.dlink.com/index.php?topic=48327.0) to find out. How many?
• For routers with Smart Connect Technology (http://forums.dlink.com/index.php?topic=62072.0) , try enabling or disabling this feature and test. Under Wireless.

Router Placement
Forum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."
3-6' feet minimum safe distance between devices.
Placement on main level floor and central in the building and WELL ventilated is preferred. Not in basements or closets as building materials, or near by electronics devices could interfere or hinder good signal propagation.[/list]

Title: Re: DIR-890L - 2.4 WiFi Connection Issue
Post by: starbase007 on September 21, 2016, 04:47:40 AM

Hi,

Thank you for the suggestions... I made some changes in the WiFi Router settings based on your suggestions. 

Going to see if this makes the difference...  If not, I will report back with additional information regarding my office setup. 

Title: Re: DIR-890L - 2.4 WiFi Connection Issue
Post by: FurryNutz on September 21, 2016, 07:11:49 AM

The more feed back you give us the better idea of your situation and helps us give you better feedback.
Let us know how it goes.

Title: Re: DIR-890L - 2.4 WiFi Connection Issue
Post by: FurryNutz on December 11, 2016, 11:29:13 AM

FYI: v1.10 B07 Beta from Canada
http://forums.dlink.com/index.php?topic=66025.0 (http://forums.dlink.com/index.php?topic=66025.0)