Default Gateway Error!! Need Assistance lol

[Keptoknight]

So I read from a threat to do this,

And it says to input this in TCPIP: IPv4:
192.168.100.10 IP
255.255.255.0 Subnet Mask
192.168.100.1 Gateway
192.168.100.1 DNS

I did that. Then it says, Overview task Status- Cable modem Status" Operational. I can access the Haxorware GUI like that and all the Lights from Modem blinks....but it does let me surf the web.

Code:

1970-01-07 17:01:15 Critical D003.0 DHCP WARNING - Non-critical field invalid in response.

1970-01-01 00:05:49 Critical R002.0 No Ranging Response Received - T3 time out (US1)
1970-01-01 00:05:44 Critical R002.0 No Ranging Response Received - T3 time out (US2)

1970-01-01 00:05:28 Critical R003.0 Init Ranging Critical Ranging request (17) retries exhausted

1970-01-01 00:05:28 Critical R003.0 Init Ranging Critical Ranging request (17) retries exhausted

1970-01-07 17:02:35 Critical T002.0 SYNC Timing Synchronization failure - Failed to acquire FEC framing
1970-01-07 17:02:34 Critical T001.0 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing
1970-01-07 17:02:32 Critical T002.0 SYNC Timing Synchronization failure - Failed to acquire FEC framing
1970-01-07 17:02:31 Critical T001.0 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing