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Solved: Can connect to internet with some computers, not others!

Discussion in 'Networking' started by GatorGy99, Jun 24, 2012.

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  1. GatorGy99

    GatorGy99 Thread Starter

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    I have four computers in my home and only two will connect to the internet. I have Comcast and use a wireless router (and of course a modem). Let me introduce them (I think this may promote less confusion):

    Desktop: used for work purposes; connects to internet just fine
    Laptop A: used for work purposes; connects to internet just fine
    Laptop B: non-work laptop; will not connect to internet
    Laptop C: non-work laptop; will not connect to internet

    I just established the home office which operates from the two work computers. My company IT folks had to change my IP address because there was some conflict. I wonder if this has some bearing on the issue. Please also note that the two problem laptops used to connect just fine via the modem and router I use. The addition of the two work computers to the mix may have upset the balance, but this is just my theory. I have tried numerous tricks and Laptops B and C just won't connect. I don't believe distance is an issue as I have the bad computers right next to the router.

    Thanks for your advice!!!
     
  2. cwwozniak

    cwwozniak Trusted Advisor

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    Chuck
    Hi GatorGy99, and welcome to TSG.

    We will probably to at least see the IPCONFIG /ALL information for either the desktop or laptop A -AND- for laptop B or C. You will need some kind of flash drive or burned CD to transfer the results from computer B or C.

    1)Starting on computer B or C, open the DOS/Command screen and enter IPCONFIG /ALL. Select the complete results and copy them to the Windows clipboard. Start the Windows Notepad application and paste the clipboard contents into the blank document. Save the file to the flash drive, or save it to the desktop and burn onto a CD.

    2) Insert the flash drive or CD in the desktop or laptop A. Repeat the IPCONFIG /ALL report and copy the results to the clipboard.

    3) Add a new post to this TSG thread and paste the clipboard contents in it. Then open the saved text file from the flash drive or burned CD and copy the contents to the clipboard and also paste them to the same post.


    EDIT: Exactly what kind of IP address did your IT people change?
     
  3. GatorGy99

    GatorGy99 Thread Starter

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    Thanks so much for the fast response. Is it safe for me to share this information on the internet?
     
  4. TerryNet

    TerryNet Moderator

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    If it weren't safe Chuck would not be a Trusted Advisor for long. :)

    If your account name or Host name is personal (such as your last name) or inappropriate for posting please edit in the posting. If you are displaying a public IP address and are uncomfortable doing so then change the last two parts to x.y.
     
  5. cwwozniak

    cwwozniak Trusted Advisor

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    Thank you, Terry. I don't normally consider the Host name being a privacy issue, but I can see it being the case if it shows a full or last name.
     
  6. GatorGy99

    GatorGy99 Thread Starter

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    OK. Here is Desktop followed by Laptop B. Many thanks!

    DESKTOP

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\nxyz>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : OfficeManager
    Primary Dns Suffix . . . . . . . : searchxyz.local
    Node Type . . . . . . . . . . . . : Broadcast
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : searchxyz.local
    searchxyz.local

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : hsd1.fl.comcast.net.
    Description . . . . . . . . . . . : Intel(R) 82566DM-2 Gigabit Network C
    onnection
    Physical Address. . . . . . . . . : 00-1C-23-E0-BB-xy
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.66.1xy
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.66.1
    DHCP Server . . . . . . . . . . . : 192.168.66.1
    DNS Servers . . . . . . . . . . . : 75.75.75.75
    75.75.76.76
    Lease Obtained. . . . . . . . . . : Monday, June 25, 2012 1:05:20 AM
    Lease Expires . . . . . . . . . . : Tuesday, June 26, 2012 1:05:20 AM

    PPP adapter SEARxyz-Jonesville:

    Connection-specific DNS Suffix . : searchxyz.local
    Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
    Physical Address. . . . . . . . . : 00-53-45-00-00-00
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.1.xy
    Subnet Mask . . . . . . . . . . . : 255.255.255.255
    Default Gateway . . . . . . . . . : 192.168.1.43
    DNS Servers . . . . . . . . . . . : 192.168.1.20
    192.168.1.20



    LAPTOP B

    C:\Users\Gatorxy>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Gatorxy-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Wireless LAN adapter Wireless Network Connection 2:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
    Physical Address. . . . . . . . . : 1C-65-9D-65-4F-91
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR8152 PCI-E Fast Ethernet Contro
    ller
    Physical Address. . . . . . . . . : 60-EB-69-52-5E-DE
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8188CE Wireless LAN 802.11n PC
    I-E NIC
    Physical Address. . . . . . . . . : 1C-65-9D-65-4F-xy
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 9:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{07B58704-0BD2-430C-9426-B66BF1D65C49}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{278ACA71-1061-45B8-A8F8-7C159B308359}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{C8D878DF-6D36-4DDF-94F1-661CE7113492}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
     
  7. cwwozniak

    cwwozniak Trusted Advisor

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    Assuming you are attempting a wireless connection for laptop B ...

    1) Does it have any kind of indicator light that is supposed to be lit when WiFi is enabled. If so, is the light on?

    2) Does your wireless router show up in the list of available access points when you check your network wireless status (typically ab icon you can double click on the right side of the Windows taskbar)

    3) If the router shows up, is it showing as "no connection"? If so, what happens if you double click on it?
     
  8. GatorGy99

    GatorGy99 Thread Starter

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    Yes, I am attempting wireless.

    1) Yes it has a wifi indicator light is lit up orangish-red, but not blinking. I am not sure what a solid light indicates, or if it ever blinks. I've never noticed the light until now!

    2) Yes, the router does show up. When I had my work IT people repair my IP address (mentioned in first post), they "renamed" it, but called it the same name it had previous. Could this have caused confusions? A side question...perhaps a diversion...anyways

    3) It presents a "Connect" button, but when I click it, I get a pop-up in same area of screen that says "Windows was unable to connect".

    Many thanks, sir!
     
  9. cwwozniak

    cwwozniak Trusted Advisor

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    What is the brand and model number of laptop B. Not sure if an orange-red light indicates normal operation or a problem. Also, what operating system is running on laptops B and C?

    Not sure what kind of IP address repair work was done by your IT people. Did they change things on a) the desktop and/or laptop A, b) laptop B and/or C, c) the router or d) the modem?

    Are you using any kind of WEP or WPA encryption on the wireless connections and do you know if the IT people changed the encryption method or encryption key on the router.
     
  10. GatorGy99

    GatorGy99 Thread Starter

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    From your advice, it sounded like I needed to better understand what my IT guy did. Although he probably shouldn't have he helped me fix my personal computers. He suggested I delete all existing wireless connections. I did that and the internet worked on the bad computers. The problem was that my "old" connection had the same name as the new one, so the personal computers kept trying to make a new connection through the "old pipe". Deleting them all reset things. I really appreciate your help and will recommend your service to anyone. I'll be back, too!
     
  11. cwwozniak

    cwwozniak Trusted Advisor

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    I wanted to get a better understanding of what your IT guy did before suggesting anything. Deleting your existing wireless settings and re-establishing them again was one of the things being considered.

    Glad to hear you got it worked out. If the problem is resolved, you can use the "Mark as solved" button above the top post.
     
  12. GatorGy99

    GatorGy99 Thread Starter

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    I knew you guys would get me there, but the IT guy offered, so I bit! Many thanks for your help.
     
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