Randomly cant find pages

chico1st · 28-Aug-2010, 10:36 AM #1

Hi there sometimes when I good something my browser cant find the page. It could be amazon.com or anything. If i try a few minutes later I can see the page.

This happens very often and I assume amazon.com for instance isnt down once a day (not just amazon... just an example)

Im on a wired network, on Bell canada, and my connection speed is quite good.

What should I even look at to diagnose this?

daz1 · 28-Aug-2010, 10:44 AM #2

check for malware
start run or start type services.msc scroll to

Check your Services are Started
• COM+ Event System
• Computer Browser
• DHCP Client
• DNS Client
• Network Connections
• Network Location Awareness
• Remote Procedure Call (RPC)
• Server
• TCP/IP Netbios helper
• Wireless Zero Configuration (XP wireless configurations)
• WLAN AutoConfig (Vista wireless configurations)
• Workstation
check you do not have a programme continually deleting cookies

**TerryNet** · 28-Aug-2010, 03:32 PM #3

For when you have good internet access and for when you can't load a page ...

Start, Run, CMD, OK to open a command prompt:
(For Vista or 7 type CMD in the Search box after Start)

Type the following command:

IPCONFIG /ALL

[Note that there is no space between the slash and ALL.]

Right click in the command window and choose Select All, then hit Enter.
Paste the results in a message here.

If necessary use a text file and removable media to copy the results to a computer with internet access.

chico1st · 08-Sep-2010, 08:25 PM #4

Sorry i didnt respond for so long, I wanted to test this thouroughty, but there is no difference between ipconfig with and without browser access. (posted below, first is without internet, 2nd is with)

Also, all of the services mentioned are started.

Code:

Without internet
>ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : secret
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Broadcast
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : gateway.2wire.net

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : gateway.2wire.net
        Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
        Physical Address. . . . . . . . . : secret
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : secret
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : secret
        DHCP Server . . . . . . . . . . . : secret
        DNS Servers . . . . . . . . . . . : secret
        Lease Obtained. . . . . . . . . . : Monday, September 06, 2010 10:09:25
PM
        Lease Expires . . . . . . . . . . : Thursday, September 09, 2010 10:09:2
5 PM

With interent
>ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : secret
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Broadcast
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : gateway.2wire.net

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : gateway.2wire.net
        Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
        Physical Address. . . . . . . . . : secret
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : secret
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : secret
        DHCP Server . . . . . . . . . . . : secret
        DNS Servers . . . . . . . . . . . : secret
        Lease Obtained. . . . . . . . . . : Monday, September 06, 2010 10:09:25
PM
        Lease Expires . . . . . . . . . . : Thursday, September 09, 2010 10:09:2
5 PM

C:\Documents and Settings\Administrator>

JohnWill · 08-Sep-2010, 08:43 PM #5

Well, you keep a good secret, so good in fact, that it'll be real hard for us to help you. Since none of those addresses have any security implications, you're just making it hard for anyone to assist you.

chico1st · 10-Sep-2010, 08:55 AM #6

i didnt think they would help you in any way either. If there are useful here you go:

Code:

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

Internet broken
ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : experien-bf1715
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Broadcast
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : gateway.2wire.net

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : gateway.2wire.net
        Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
        Physical Address. . . . . . . . . : 6C-F0-49-7C-D2-E2
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.2.12
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.2.1
        DHCP Server . . . . . . . . . . . : 192.168.2.1
        DNS Servers . . . . . . . . . . . : 192.168.2.1
        Lease Obtained. . . . . . . . . . : Monday, September 06, 2010 10:09:25
PM
        Lease Expires . . . . . . . . . . : Thursday, September 09, 2010 10:09:2
5 PM

Internet working
ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : experien-bf1715
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Broadcast
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : gateway.2wire.net

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : gateway.2wire.net
        Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
        Physical Address. . . . . . . . . : 6C-F0-49-7C-D2-E2
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.2.12
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.2.1
        DHCP Server . . . . . . . . . . . : 192.168.2.1
        DNS Servers . . . . . . . . . . . : 192.168.2.1
        Lease Obtained. . . . . . . . . . : Monday, September 06, 2010 10:09:25
PM
        Lease Expires . . . . . . . . . . : Thursday, September 09, 2010 10:09:2
5 PM

JohnWill · 10-Sep-2010, 09:29 AM #7

Actually, it helps a great deal. The whole point is to see if there is any change and also if the addresses are valid.

We need to expand on your diagnostic when the network fails.

Try these simple tests.

Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

In the command prompt window that opens, type type the following commands one at a time, followed by the Enter key:

NOTE: For the items below in red surrounded with < >, see comments below for the actual information content, they are value substitutions from the previous IPCONFIG command output! Do NOT type <computer_IP_address> into the command, that won't work. Also, the < and > in the text is to identify the parameters, they are also NOT used in the actual commands.

Do NOT include the <> either, they're just to identify the values for substitution.

IPCONFIG /ALL

PING <computer_IP_address>

PING <default_gateway_address>

PING <dns_servers>

PING 74.125.45.100

PING yahoo.com

Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
Paste the results in a message here.

<computer_IP_address> - The IP Address of your computer, obtained from the IPCONFIG command above. (For Vista/Win7, the IPv4 Address)

<default_gateway_address> - The IP address of the Default Gateway, obtained from the IPCONFIG command above.

<dns_servers> - The IP address of the first (or only) address for DNS Servers, obtained from the IPCONFIG command above.

If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.

chico1st · 15-Sep-2010, 09:58 PM #8

I didnt ping the DNS server becuase it was the same am my GATEWAY

Code:

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

C:\>ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : experien-bf1715
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Broadcast
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : gateway.2wire.net

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : gateway.2wire.net
        Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
        Physical Address. . . . . . . . . : 6C-F0-49-7C-D2-E2
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.2.12
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.2.1
        DHCP Server . . . . . . . . . . . : 192.168.2.1
        DNS Servers . . . . . . . . . . . : 192.168.2.1
        Lease Obtained. . . . . . . . . . : Wednesday, September 15, 2010 6:10:4
4 PM
        Lease Expires . . . . . . . . . . : Saturday, September 18, 2010 6:10:44
 PM

C:\>ping 192.168.2.12

Pinging 192.168.2.12 with 32 bytes of data:

Reply from 192.168.2.12: bytes=32 time<1ms TTL=128
Reply from 192.168.2.12: bytes=32 time<1ms TTL=128
Reply from 192.168.2.12: bytes=32 time<1ms TTL=128
Reply from 192.168.2.12: bytes=32 time<1ms TTL=128

Ping statistics for 192.168.2.12:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms

C:\>ping 192.168.2.1

Pinging 192.168.2.1 with 32 bytes of data:

Reply from 192.168.2.1: bytes=32 time=1ms TTL=255
Reply from 192.168.2.1: bytes=32 time<1ms TTL=255
Reply from 192.168.2.1: bytes=32 time<1ms TTL=255
Reply from 192.168.2.1: bytes=32 time<1ms TTL=255

Ping statistics for 192.168.2.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 1ms, Average = 0ms

C:\>DNS is same as GATEWAY
'DNS' is not recognized as an internal or external command,
operable program or batch file.

C:\>ping 74.125.45.100

Pinging 74.125.45.100 with 32 bytes of data:

Reply from 74.125.45.100: bytes=32 time=51ms TTL=53
Reply from 74.125.45.100: bytes=32 time=48ms TTL=53
Reply from 74.125.45.100: bytes=32 time=47ms TTL=53
Reply from 74.125.45.100: bytes=32 time=47ms TTL=53

Ping statistics for 74.125.45.100:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 47ms, Maximum = 51ms, Average = 48ms

C:\>ping yahoo.com

Pinging yahoo.com [98.137.149.56] with 32 bytes of data:

Reply from 98.137.149.56: bytes=32 time=89ms TTL=51
Reply from 98.137.149.56: bytes=32 time=89ms TTL=51
Reply from 98.137.149.56: bytes=32 time=90ms TTL=51
Reply from 98.137.149.56: bytes=32 time=90ms TTL=51

Ping statistics for 98.137.149.56:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 89ms, Maximum = 90ms, Average = 89ms

C:\>

[EDIT] Thanks for all the help

JohnWill · 16-Sep-2010, 09:44 AM #9

If that's when it's failing, there is no network connectivity issue. You have a good connection, so something on your machine is blocking your connection. I'd be thinking malware myself, but it could be some misbehaving application as well.

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