Internet problems after reformat. urgently needing help!

Hello guys! I recently upgraded most of my computer parts and reformatted from windows 7 enterprise 32bit to win7 enterprise 64bit. (all of this happened in a computer shop)

I never had internet problems before the reformat, however it has happened to me before when I had previous
newly reformats on my pc which usually goes away after 2-3 months.

here is the problem, the internet is fine when I start using it and after an hour or two it will disconnect and when I troubleshoot
it, it will just say "DNS server isn't responding" and what I do is turn the modem off and turn it back on and the internet will
come back after 10-20 seconds. so basically my internet is fine and will just go down then to fix it I just have to turn the router
off and on, but it is quite bothering since I work at home and this has been a nuisance.

Additional Info:
my network drivers are up to date.
I used a driver detection software and say that all are updated.
I already installed all win 7 updates.
My modem's name is Zyxel P-660HN-T1A
I have tried openDNS.

any more ways to narrow it down?
2 answers Last reply
More about internet problems reformat urgently needing help
  1. additional info: this is my ipconfig /all when my internet is connected.

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

    C:\Users\eval>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : eval-PC
    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 PCIe GBE Family Controller
    Physical Address. . . . . . . . . : 08-60-6E-75-E4-E8
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::c02f:a85e:aaba:b2b7%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.33(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Linggo, Marso 03, 2013 5:56:59 AM
    Lease Expires . . . . . . . . . . : Mierkoles, Marso 06, 2013 5:56:59 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 235429998
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-C1-D8-D6-08-60-6E-75-E4-E8

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

    Tunnel adapter isatap.{12DF8343-8C61-4E9E-AD6E-AAAC780C615D}:

    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:

    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. . . . . . . . . . . : 2001:0:9d38:6ab8:c37:3a6d:3f57:fede(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::c37:3a6d:3f57:fede%12(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Users\eval>
  2. and this is my ipconfig /all when i randomly disconnect

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

    C:\Users\eval>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : eval-PC
    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 PCIe GBE Family Controller
    Physical Address. . . . . . . . . : 08-60-6E-75-E4-E8
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::c02f:a85e:aaba:b2b7%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.33(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Linggo, Marso 03, 2013 5:56:59 AM
    Lease Expires . . . . . . . . . . : Mierkoles, Marso 06, 2013 5:56:59 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 235429998
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-C1-D8-D6-08-60-6E-75-E4-E8

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

    Tunnel adapter isatap.{12DF8343-8C61-4E9E-AD6E-AAAC780C615D}:

    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:

    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. . . . . . . . . . . : 2001:0:9d38:6ab8:c37:3a6d:3f57:fede(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::c37:3a6d:3f57:fede%12(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Users\eval>
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