No Wireless Connection-No IP Addre

January 16, 2005 at 17:57:38
Specs: XP Pro ServPack2, 40/384

Two wireless laptops dropped off wireless connection simultaneously. Wireless Icon shows limited or no connectivity and pressing Repair box could not renew IP address. Checked all hardware first (Belkin F5D4070 Ethernet Adaptor and Siemans 2521 SpeedStream wireless access point), turned off firewall, reset 128bit WEP, and also reset router. Wired computer connection OK. Wireless signal strenght and connection of Netgear(MA521) 802.11b excellent. Tried several trouble shooting sites, one suggested manual entry of IP (all addresses) and wireless connectivity returned but unable to access server and internet. One other unique problem was when trying to run the Belkin Utility it gave an INVALID CONFIGURATION message, that said "Your Powerline hardware is not compatible with the PowerPacket Configuration Utility. Please Check users manual for list of compatible hardware". Tried uninstall and reinstall and downloaded direct from Belkin web site new software but never got this cleared. Called Belkin customer support, they could not help and said higher level tech would call back, still waiting. 1-Is this the reason for not being able to connect and the system not being able to assign an IP address? and 2- When manually assigned the IP addresses and Icon showed connectivity was established but I still was unable to connect to server and internet? 3- Are they seperate problems? Help anyone...

Cindy


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#1
January 16, 2005 at 19:26:14

HiCindy
I checked on the Netgear web site for this info you may get a better answer on the network forum
1. You have problems connecting to your ISP or other Internet service, and their technical support (or NETGEAR's) recommends changing MTU. For example, these services may require an MTU change:
* Yahoo email
* MSN
* AOL's DSL service

2. You use VPN, and have severe performance problems.
3. You used a program to "optimize" MTU for performance reasons, and now you have connectivity or performance problems.

* An easy solution to most problems is to change MTU to 1400.
* If you are willing to experiment, gradually reduce MTU as described in "Details of MTU", below.

How to Change a Computer's MTU Size

Note: If you change MTU on one computer, it is likely you will want to change it on your other computers, switches, and routers, as well. Instructions for changing MTU on other NETGEAR devices is found in the Reference Manuals.

The third party Dr. TCP software can be used to change the MTU setting.

1. Download it from this link, choosing the zip file or the exe file at the top of the page.
2. Run the utility.
3. In the Adapter Settings pull down, select the Ethernet driver and adapter used to connect with the network.
4. In the MTU box, type the MTU size you are trying.
5. Click in any other box, without changing the data there.
6. Click Save.
7. Click Exit.
8. Restart the computer.


free tune up http://www.pcpitstop.com


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