How Do I Diagnose My Modem Problems?

How do I test my cable modem?

Checking Cable Signal Levels Launch a web browser, such as Internet Explorer, Firefox, or Safari.

Enter http://192.168.100.1 into the address box.

The Cable Modem Status page will appear.

Click the Signal link on the top menu ..

What happens when modem goes bad?

However, if your modem is bad or is on the way to going bad, here is what you can expect: The modem won’t turn on. You can’t connect to the internet at all. Internet connection drops in and out randomly.

Does turning your modem on and off damage it?

You could turn a WiFi Router off, while leaving the modem turned on, and that should not have a major effect on speed when you turn the router back on, because the modem is what determines the internet speed and not the router. … If the WiFi modem is a mobile device then power cycling shouldn’t matter much at all.

What lights should be on my modem?

Most ATC provided modems have the following lights: … Ensure all telephone cable connections are tight and secure and reboot the modem and router (if applicable). POWER: A solid green light indicates the unit is properly connected to power. A blinking red light indicates a possible modem failure.

Can modems overheat?

Most likely, you do not need to purchase a new modem because the standard operating temperature range is 0–40° C (32–104° F). When it is hotter than that, your modem may overheat, become slow, behave erratically, and then turn itself off. Do not leave your modem in direct sunlight.

How long does a cable modem last?

about 3-4 yearsCable modems seem to last about 3-4 years as well. But changing DOCSIS standards plays a role with cable modems. Sometimes a modem still works, but it doesn’t work with new standards. So a cable modem can go functionally obsolete while it still has some service life in it.

How can I test my modem?

Then Windows can determine whether the modem is properly installed and able to dial into a network.Click Start, then “Control Panel,” then “Phone and Modem.”Click the “Modems” tab.Select the modem from the list. … Click the “Properties” button.More items…

What are the signs of a bad modem?

One of the surest signs that your modem is going bad is a sudden stoppage of all its functions. The lights do not turn on even when you properly re-connect your wiring. Complete unresponsiveness of a modem is a signal permanent damage to the modem.

How do you diagnose a router problem?

If the router has been connected to the internet and worked in the past, confirm the signal from your internet service provider (ISP) is not the problem. Turn off the wireless function and directly connect your computer to the router with an Ethernet cable. Reboot the computer and check for an internet connection.

Why is my internet not working?

There are a lot of possible reasons for why your internet isn’t working. Your router or modem may be out of date, your DNS cache or IP address may be experiencing a glitch, or your internet service provider could be experiencing outages in your area. The problem could be as simple as a faulty Ethernet cable.

How do I get my modem back online?

Following are the top five steps to get your small business back online now.Call your Internet Service Provider (ISP). The first step is to rule out any area-wide problems with your ISP. … Reboot your network bridge. Find your cable/DSL modem or T-1 router and power it down. … Ping your router.

Why can’t I access my modem?

The reason you can’t reach the modem, is because the IP address of the modem is on the same network as your LAN, but isn’t connected to the LAN (its connected to the WAN). The easy fix, if you can’t change your modem IP, is to change your LAN IP range. Use something like 192.168. 0.0/255 instead of 192.168.