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PC don't browser intermitently

Discussion in 'Networking (Hardware & Software)' started by FuzMic, 2015/04/16.

  1. 2015/04/16
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Hi friends

    I have two PC one XpWin & other Vista in two different LAN that can intermittently cannot resolve web address eg yahoo.mail through both browsers, Chrome & FireFox (I don’t use IE). All other exactly similar PCs in these two LAN have no such problem.

    I suspect it has is something to do with OS corruption in both this case. Appreciate guidance.
     
    FuzMic,
    #1
  2. 2015/04/16
    TonyT

    TonyT SuperGeek Staff

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    1. Open a command prompt.
    2. Type this command: ipconfig /all and press the Return key.
    3. Copy+Paste the results here.
     
    TonyT,
    #2


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  4. 2015/04/16
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Thanks Tony. Hope you can help with the ipconfig /all output. :)

    2 pc in same network

    Windows IP Configuration (xpwin - No problem) Host Name . . . . . . . . . . . . : ISE Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Unknown IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : NoEthernet adapter Local Area Connection 3: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethernet NIC #2 Physical Address. . . . . . . . . : 64-66-B3-10-26-5E Dhcp Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 192.168.1.92 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 8.8.8.8 8.8.4.4




    Windows IP Configuration (Problem Vista - Intermitently)

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

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8101E Family PCI-E Fast Ethernet NIC (NDIS 6.0)
    Physical Address. . . . . . . . . : 00-21-85-60-0A-A4
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::b4b0:4692:db37:3532%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.61(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 251666821
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-10-3E-82-2C-00-21-85-60-0A-A4
    DNS Servers . . . . . . . . . . . : 202.188.1.5
    202.188.0.133
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{67DF71BD-3DF1-4345-8955-B2BB0AA3F990}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 7:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
     
    Last edited: 2015/04/17
    FuzMic,
    #3
  5. 2015/04/17
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Tony more for you to chew

    Problem PC can access the web, check with ping 8.8.8.8.
    Latest: this problem pc can't resolve any address using chrome or firefox, no longer intermittently.


    Help please:confused:


    Windows IP Configuration (Problem browser in xpwin- all address no longer resolved)
    Host Name . . . . . . . . . . . . : admin2
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller
    Physical Address. . . . . . . . . : 00-21-97-DE-B2-92
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.1.6
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DNS Servers . . . . . . . . . . . : 202.188.0.133
    202.188.1.5



    Windows IP Configuration (no problem pc)
    Host Name . . . . . . . . . . . . : Admin3
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection 2:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros L2 Fast Ethernet 10/100 Base-T Controller
    Physical Address. . . . . . . . . : 44-87-FC-53-25-A4
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.1.133
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DNS Servers . . . . . . . . . . . : 202.188.0.133
    202.188.1.5
     
    Last edited: 2015/04/17
    FuzMic,
    #4
  6. 2015/04/17
    TonyT

    TonyT SuperGeek Staff

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    Try manually setting the DNS servers to use Google DNS in your router:
    8.8.8.8
    8.8.4.4

    These are your ISP DNS:
    202.188.0.133
    202.188.1.5

    Your ISP DNS has a lot of latency.
    Code:
    ping 202.188.0.133
Bytes	Source		Seq	Time	Units
64	202.188.0.133	1	273	ms
64	202.188.0.133	2	271	ms
64	202.188.0.133	3	283	ms
64	202.188.0.133	4	272	ms
64	202.188.0.133	5	270	ms
Time minimum:	270.00 ms
Time average:	273.67 ms
Time maximum:	283.00 ms
Packets transmitted:	5
Packets received:	5
Successful packets:	100%
    If still have problems resolving hosts then I suggest starting a thread in the Malware Forum.
     
    TonyT,
    #5
  7. 2015/04/17
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Tracert shows failing to hop with ISP. Is this your point? TQ
     
    FuzMic,
    #6
  8. 2015/04/20
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Tony

    I just found out that i was only able to access google search, nothing else in the most problem PC ie once i try to click on other link it does not resolved.

    BUT ... disabling Avast antivirus then no problem to resolve.

    Now the question WHY?
     
    FuzMic,
    #7
  9. 2015/04/21
    TonyT

    TonyT SuperGeek Staff

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    The DNS is how domain names get resolved. If your ISP DNS cannot be reached then domains cannot be resolved. That's why I suggested different DNSs.

    Check the Avast settings, it may be configured to use a proxy or have incorrect settings. Does Avast have a firewall? Check the firewall settings.
     
    TonyT,
    #8
  10. 2015/04/21
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Appreciate & noted
     
    FuzMic,
    #9
  11. 2015/04/22
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Something else with this problem PC. It started to only start in safe mode no matter how I tried. Even repairing with XP Win CD, still go to safe mode. Finally now reinstall win XP. Any views.
    More have to format c drive???
     
    FuzMic,
    #10
  12. 2015/04/23
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Just being told that sometimes it is caused by APIPA (Automatic Private IP Addressing).
    If this is the case if we do ipconfig we will get address start 169.254.0.1 through 169.254.255.254.
    Any views on this. Cheers!
     
    FuzMic,
    #11
  13. 2015/04/24
    TonyT

    TonyT SuperGeek Staff

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    169.x.x.x addresses are assigned by Windows when the computer cannot obtain an IP address from the router (DHCP) or when static address fails.

    Set a correct static IP address or use DHCP to get an IP from the router.
     
    TonyT,
    #12
  14. 2015/04/30
    FuzMic

    FuzMic Well-Known Member Thread Starter

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    Noted but I really did not see this happening to try out yet. Anyway thanks
     
    FuzMic,
    #13

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