Question about Toshiba Satellite M45-S359 Notebook

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Wireless adapter fails to negotiate with a secure modem

I was told that this may be caused by the wireless adapter being out of position and needs to be removed and then reseated.

Where can I find the adapter and how do I accomplish the R&R of the adapter.



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  • Don  Farrell
    Don Farrell Apr 19, 2009

    Good morning (?) Rcampsr. With respect to your questions:

    1) Yes, it has worked for 4+ years. Problem started when Verizon

    accidentally deleted my network connection. It took them

    a full week to find and correct the failure.

    It is Verizon that is maintaining that this failure is the laptop, not

    their modem.

    2) Home wireless connection.

    3) No, I'm retired. I'd really like to find a job, I need the rest.

    4) The Verizon Modem is about 20 feet behind me. It is a Westell

    327 Modem.

    5) Yes, WEP is enabled. I cannot connect to my secure network

    even though the broadcast is seen by my laptop. If I disable

    WEP, I can connect to the network via the modem.

    6) Yes, all internal test indicate the the wireless adapter are

    functioning properly.

    FYI the OS is Win XP SP3. Is there anywhere online where I can get a copy of the component placement map with the locations of the CRUs and FRUs?

    FYI - I use a grounding strap to the frame on anything electrical I work on.

  • Don  Farrell
    Don Farrell Apr 19, 2009

    Yes it is DSL service.

    I direct connected to the modem/router and removed the WEP security so that I can at least get a decent signal level.

    I also did a rather simple test, I disabled the wireless and updated the modem. First I set the WEP to equal OFF. Access was perfect while I was attached via hard-wire.

    Access was also fine via the wireless without the Wep. (I disconnected the hard-wire) Then I re-enabled the WEP on the laptop and verified the WEP password. One log-on was successful.

    I move the laptop to the adjacent room and tried to log on to no avail. I went back to the hard-wire an changed the wireless to no WEP, went back to the same room and logged on just fine, without the WEP.

    So the failure does seem to be isolated to the WEP negotiation whenever a password is sent back and forth.

    I'd really like to take a hammer to the modem and fine tune it until it is dust, but that would solve nothing.

    Are you sure that the problem is my laptop and not the modem?

    I will pull the memory SIMMS and look for the wireless adapter under them.

    I do thank you for your help.


  • Richard Camp
    Richard Camp May 11, 2010

    Hi Don, there can be many reasons for a wireless adaptor to not negotiate a connection. The first question is, did it work before? Are you using a home wireless connection or one that is at a remote location? Are you trying to get wireless access at work? Where is the access point located in relation to the notebook? Are you using wireless security? Does the OS say the adapter is operating correctly? a little more information would be helpful.

    For your information the wireless adapter is located in the bottom of the laptop behind one of the removable doors towards the back of the laptop. The only problem is you may have to remove some other hardware to access the wireless adapter, i.e.: video, modem, lan, memory, etc. and risk the problem of static discharge, adapter not reengaging correctly when replaced, etc.. Each laptop manufacturer uses different locations for their hardware. Good Luck, RAC


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Ok, It looks like you have a DSL connection for your internet service. The problem you are having is that you are missing the WEP key inorder to connect to the modem with a secure link. The Modem has to be set to use WEP security and then there are a number of security keys that can added for security. Your modem is not configured for WEP, otherwise you would not be able to connect to it with no security.

You will have to read the information and access the modems setup features to enter the keys. You may have to go to the manufacturers web site and download the manual from it. If Verizon does not give you access to the modem for adjustment then you may need to have them setup the wep and email you the keys so you may copy and paste them into your connection configuration. Depending on the security level of the modem the longer the key the more secure. Some modems use a transmit key and a receive key in order to make the connection more secure. I would also check the modem and see if it has any options for WPA security, which are much better than the WEP. On any computer that connects to the network you have to create the connection with the WEP key or keys. If the modem uses these different keys then you have to match them. Say the modem WEP key is X to transmit and Y to receive, then the computers WEP would be set to Y to transmit and X to receive. The keys are also case sensitive numbers and letters, and the longer the better for network security. The manual will tell you the allowable maximum length you can use for the key. You can use the same key for transmit and receive if you wish to make it easier on you, but it all boils down to the type of security you programmed into the modem.

Read the owners manual for the modem and then you will have an idea what and how to get the two wireless connections to talk securely to each other. Currently your system is wide open and anyone can log on to your system without security, even the next door neighbor. Good Luck, RAC

Posted on Apr 19, 2009

  • Richard Camp
    Richard Camp Apr 19, 2009

    I would get a program off the internet called Netstumbler. It will allow you to see what the signal strength is in the other room. The WEP should just slow down the signal slightly in data speed but should have no effect on the strength of the signal. When you turned the WEP back on in the modem, you also set the WEP key string/password to the same one as the computer was using. XP has a mind of its own when it comes to negotinating connections and it is important to insure the key is set. You need to physically make sure the keys are the same in both units and any other computers that are using the wireless connection. It has to be set exactly the same in both. Does the wireless modem have a WPA option in it? This is much better than WEP for security, or is it too old a unit for it? RAC


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