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Problem with Modem or Computer???

Discussion in 'Networking' started by BradN10, Feb 21, 2013.

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  1. BradN10

    BradN10 Thread Starter

    Joined:
    Oct 26, 2001
    Messages:
    135
    Hey guys, I have been having problems with our internet lately, mainly our wireless connections. Our devices would be speratic during the day. It would show full bars for WIFI on the devices but would not load anything. We thought it was our router so we purchased a new one, nothing. Then I called Comcast and they told me to upgrade to docsis 3.0 and that would help with the dropped signals. Though another tech told me to test it being hardwired from the modem straight to the computer, but then I ended up with only have limited access. Not sure if it's the modem now or my network...sorry for the long post but I hope that sums it up pretty well. thanks!!
     
  2. reticentAJ

    reticentAJ

    Joined:
    Jan 20, 2013
    Messages:
    1,312
    First Name:
    AJ
    So all devices through through wireless are experiencing dropped connections? Not just one device?
    Also, you said when you hard wire into the modem, you only have limited access. Is that will all or one device?

    On one of the devices through wireless, I would hit the windows logo key + R. Type cmd. Click enter. Type ipconfig/all. Click enter. Copy and paste the results into this form. Don't forget to answer the above questions.
     
  3. BradN10

    BradN10 Thread Starter

    Joined:
    Oct 26, 2001
    Messages:
    135
    Yes all devices experience dropped connections around the same time. The hardwired was only one device. I could not access the internet at all from my main computer when i hard wired. Plus I don't know if it helps but my Netgear n600 wps has been flashing through out this, not sure if that's normal or not.

    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Users\Brad>ipconfig/all

    Windows IP Configuration

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

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Ralink RT5390 802.11b/g/n WiFi Adapter
    Physical Address. . . . . . . . . : 88-9F-FA-96-89-0E
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::66:878d:7365:7531%12(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Thursday, February 21, 2013 6:10:35 PM
    Lease Expires . . . . . . . . . . : Friday, February 22, 2013 6:10:39 PM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 327720954
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-87-C0-26-78-AC-C0-3E-A7-32

    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
    Physical Address. . . . . . . . . : 78-AC-C0-3E-A7-32
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{5234EEB6-9645-4B41-80B9-9D92E56E0DAB}:

    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 Local Area Connection* 12:

    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.{B606F646-21F5-4F3E-9639-4402AA1A8D41}:

    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 Teredo Tunneling Pseudo-Interface:

    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
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:1800:18ee:b83d:eca8(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::1800:18ee:b83d:eca8%13(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Users\Brad>
     
  4. TerryNet

    TerryNet Moderator

    Joined:
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    Messages:
    77,952
    First Name:
    Terry
    When you connected directly to the modem did you power cycle the modem when switching devices?
     
  5. BradN10

    BradN10 Thread Starter

    Joined:
    Oct 26, 2001
    Messages:
    135
    Yes I did power cycle the modem, did not help.
     
  6. TerryNet

    TerryNet Moderator

    Joined:
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    First Name:
    Terry
    Try unplugging the modem for five minutes and then a PC connected to it. Please show an ipconfig /all for that if no internet access.
     
  7. BradN10

    BradN10 Thread Starter

    Joined:
    Oct 26, 2001
    Messages:
    135
    okay just got done with that and ended up with only local access.




    Microsoft Windows [Version 6.0.6002]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\The Nichter's>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : TheNichters-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : hsd1.in.comcast.net.

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : hsd1.in.comcast.net.
    Description . . . . . . . . . . . : Realtek RTL8101E Family PCI-E Fast Ethern
    et NIC (NDIS 6.0)
    Physical Address. . . . . . . . . : 00-25-11-21-0C-84
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::31db:75a7:19ef:ee02%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 98.253.152.180(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.252.0
    Lease Obtained. . . . . . . . . . : Sunday, February 24, 2013 10:00:31 AM
    Lease Expires . . . . . . . . . . : Tuesday, February 26, 2013 10:33:03 PM
    Default Gateway . . . . . . . . . : 98.253.152.1
    DHCP Server . . . . . . . . . . . : 69.252.202.5
    DHCPv6 IAID . . . . . . . . . . . : 234890513
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-6E-24-D0-00-25-11-21-0C-84

    DNS Servers . . . . . . . . . . . : 75.75.75.75
    75.75.76.76
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hsd1.in.comcast.net.
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 7:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:4a8:1343:9d02:674b(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::4a8:1343:9d02:674b%11(Preferred)
    Default Gateway . . . . . . . . . :
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 11:

    Connection-specific DNS Suffix . : hsd1.in.comcast.net.
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2002:62fd:98b4::62fd:98b4(Preferred)
    Default Gateway . . . . . . . . . : 2002:c058:6301::c058:6301
    DNS Servers . . . . . . . . . . . : 75.75.75.75
    75.75.76.76
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Users\The Nichter's>
     
  8. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    77,952
    First Name:
    Terry
    You have a good (public) IP configuration, so maybe a firewall problem.

    What firewall or security suite is, or ever was, on the system?
     
  9. BradN10

    BradN10 Thread Starter

    Joined:
    Oct 26, 2001
    Messages:
    135
    Well I have the Windows firewall on and I currently have AVG free for my security. I noticed in the windows firewall settings it only had "local area connection" protected. Is that normal?
     
  10. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    77,952
    First Name:
    Terry
    That's the only connection you have (as shown in the ipconfig /all) so, yes, it's normal.

    Seems to be a modem or ISP problem. You could test with another computer.
     
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