Networking problem "The default gateway is not available"

[gao395441318]

I'm currently using windows 8.1 Pro, and the problem has gotten worse lately, so every minute or so, the internet stops working and when I diagnose the network it just keeps giving me "the default gateway is not available" error, and fixed, then another minute or so it happens again.

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:\Windows\system32>ipconfig /all

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Windows Adapter V9
Physical Address. . . . . . . . . : 00-FF-6B-FD-06-6B
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::9848:f674:b31e:dc66%6(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.220.102(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 251723627
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-B1-54-79-B8-97-5A-04-6C-A8

DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Ethernet:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : B8-97-5A-04-6C-A8
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wi-Fi:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8188SU Wireless LAN 802.11n US
B 2.0 Network Adapter
Physical Address. . . . . . . . . : 00-1A-EF-27-24-44
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7543:6e01:ec93:a818%3(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.13(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Tuesday, September 9, 2014 3:21:24 PM
Lease Expires . . . . . . . . . . : Wednesday, September 10, 2014 3:21:24 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 50338543
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-B1-54-79-B8-97-5A-04-6C-A8

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

Tunnel adapter isatap.{6BFD066B-61F0-42F7-8C95-06546482D2E1}:

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 isatap.{1FA97680-3F66-43D6-A884-A2F91E95C98D}:

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

C:\Windows\system32>

C:\Windows\system32>

 

[Berton]

DHCP Enabled. . . . . . . . . . . : No

Have you checked Control Panel, Internet Options, Connections tab, LAN Settings for a checkmark in the Automatically detect item at the top of the list and nothing else checked? Or does your ISP require different entries on that panel?

 

[gao395441318]

DHCP Enabled. . . . . . . . . . . : No

Have you checked Control Panel, Internet Options, Connections tab, LAN Settings for a checkmark in the Automatically detect item at the top of the list and nothing else checked? Or does your ISP require different entries on that panel?

there is a checkmark in the automatically detect item box, and nothing else is checked