1. My New Router Won't Connect to the Internet
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The Problem: You buy a new router. You disconnect the old router, connect the new one, and follow the manufacturer's instructions for setup. Even though you can see the new wireless network and can even connect your computer or device, you cannot browse the Internet.
Quick Fix: Unplug the network cable (or cables) and power from the broadband modem you received from your ISP including the coaxial or DSL connection, as well as all cables from the new router. Leave everything unplugged and disconnected for at least 30 seconds. Next, re-connect the coaxial cable, DSL, or FIOS connection to the broadband modem, making sure it's firmly in place and that the WAN/Internet light is on. Then, attach an Ethernet cable to your router and power it on. Make sure the Internet connection activity light is on. Doing these steps forces the broadband modem to flush any information it is holding onto from your previous router. Try browsing the Internet. If you still can't, go through the router setup instructions again, now that you have reset the broadband modem.
The Problem: You buy a new router. You disconnect the old router, connect the new one, and follow the manufacturer's instructions for setup. Even though you can see the new wireless network and can even connect your computer or device, you cannot browse the Internet.
Quick Fix: Unplug the network cable (or cables) and power from the broadband modem you received from your ISP including the coaxial or DSL connection, as well as all cables from the new router. Leave everything unplugged and disconnected for at least 30 seconds. Next, re-connect the coaxial cable, DSL, or FIOS connection to the broadband modem, making sure it's firmly in place and that the WAN/Internet light is on. Then, attach an Ethernet cable to your router and power it on. Make sure the Internet connection activity light is on. Doing these steps forces the broadband modem to flush any information it is holding onto from your previous router. Try browsing the Internet. If you still can't, go through the router setup instructions again, now that you have reset the broadband modem.
2. The Router Setup Software Won't Detect the Router
The Problem: The instructions to your new router say that the software on the CD that came with the router should automatically get your computer to detect the new router, wirelessly. You've tried a couple of times and keep getting a message that indicates the software cannot find the router.
Quick Fix: This is actually a common problem with newer routers on the market that have "automated setup." Sometimes the setup process just doesn't work. Here's how you can bypass the setup and go right into the router's management interface to setup your wireless network. Connect an Ethernet cable from your computer to one of the LAN ports of the router (you can also keep the router connected to the broadband modem). Go into your computer's network settings. In Windows 7, they are located in Control Panel|Network and Internet|Network Sharing Center|Change Adapter Settings.
Right-click and select Properties of Local Area Connection. Highlight Internet Protocol Version 4 (TCP/IP v4). In the TCP/IP v4 windows that opens, click the radio button, and select "Use the following IP address." Under "IP address" you type an address that matches the default IP address of your router, a string of numbers broken up by periods. You'll find this in the router's documentation. For instance, if the default IP of the router is "192.168.1.1" you should type in "192.168.1.2"—making the last number different prevent an IP address conflict with the router but places your computer and the router on the same network. Under "Subnet mask," type in "255.255.255.0"—this is the subnet mask for your typical home network, and for "Gateway" type in the default IP of the router—in this example it would be the "192.168.1.1" address.
You now have your computer on the same network as the router. You can now open a browser and enter the router's IP address. Just type the router number into your address bar, like this: http://192.168.1.1. You will be prompted to enter a username and password. This information is also available with your router's documentation. Once you are in the management interface, you can manually setup your wireless connection: the SSID, pass phrase, and security.
If you can't browse to the router's interface, you may have made a typo. Recheck your network settings under "TCP/IP v4" properties once more.
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Quick Fix: This is actually a common problem with newer routers on the market that have "automated setup." Sometimes the setup process just doesn't work. Here's how you can bypass the setup and go right into the router's management interface to setup your wireless network. Connect an Ethernet cable from your computer to one of the LAN ports of the router (you can also keep the router connected to the broadband modem). Go into your computer's network settings. In Windows 7, they are located in Control Panel|Network and Internet|Network Sharing Center|Change Adapter Settings.
Right-click and select Properties of Local Area Connection. Highlight Internet Protocol Version 4 (TCP/IP v4). In the TCP/IP v4 windows that opens, click the radio button, and select "Use the following IP address." Under "IP address" you type an address that matches the default IP address of your router, a string of numbers broken up by periods. You'll find this in the router's documentation. For instance, if the default IP of the router is "192.168.1.1" you should type in "192.168.1.2"—making the last number different prevent an IP address conflict with the router but places your computer and the router on the same network. Under "Subnet mask," type in "255.255.255.0"—this is the subnet mask for your typical home network, and for "Gateway" type in the default IP of the router—in this example it would be the "192.168.1.1" address.
You now have your computer on the same network as the router. You can now open a browser and enter the router's IP address. Just type the router number into your address bar, like this: http://192.168.1.1. You will be prompted to enter a username and password. This information is also available with your router's documentation. Once you are in the management interface, you can manually setup your wireless connection: the SSID, pass phrase, and security.
If you can't browse to the router's interface, you may have made a typo. Recheck your network settings under "TCP/IP v4" properties once more.
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3. The Wireless Network's Name/SSID Disappeared
The Problem: All of the sudden, your SSID or Wi-Fi network name is no longer listed when you click to see available wireless networks. There are various reasons this might happen, and it's not an uncommon occurrence.
Quick Fix: Force your computer or device to connect to the router even if it's not broadcasting. From Windows, go into Control Panel|Network and Internet|Network and Sharing|Manage Wireless Networks.
If you see your wireless network listed, right-click on its icon and click Properties. Check the option "Connect even if the network is not broadcasting its name (SSID)."
If you don't see your wireless network listed, click "Add" then select "Manually connect to a wireless network" and put your wireless information in.
Mac users: You can also "force-join" an SSID that has stopped broadcasting through a Mac's Airport Utility. Select to join "Other" and type in the name of the network and password.
Of course, you still want to find out why your SSID stopped broadcasting. Check to make sure broadcasting was not inadvertently disabled in the router's software, reboot the router, and check for any software updates.
Quick Fix: Force your computer or device to connect to the router even if it's not broadcasting. From Windows, go into Control Panel|Network and Internet|Network and Sharing|Manage Wireless Networks.
If you see your wireless network listed, right-click on its icon and click Properties. Check the option "Connect even if the network is not broadcasting its name (SSID)."
If you don't see your wireless network listed, click "Add" then select "Manually connect to a wireless network" and put your wireless information in.
Mac users: You can also "force-join" an SSID that has stopped broadcasting through a Mac's Airport Utility. Select to join "Other" and type in the name of the network and password.
Of course, you still want to find out why your SSID stopped broadcasting. Check to make sure broadcasting was not inadvertently disabled in the router's software, reboot the router, and check for any software updates.
4. My Internet Connection Keeps Dropping
The Problem: You are happily surfing the Internet and every now and then the connection drops. Perhaps you see the light flicker down to nothing on your broadband cable modem and then suddenly all LEDs light up again.
Quick Fix: This is a common issue, particularly for those with cable Internet service or FIOS. You wouldn’t believe how often this problem is caused by a degraded signal coming into the cable modem. If you use splitters, try replacing them. If you have several splitters on an inbound cable connection, say one coming into your home and another to break out the cable signal in your home entertainment system, check to see if they are -7dB splitters (printed on the outside of the splitter). Try replacing a -7dB splitter that your broadband modem is connected to with a -3.5 dB splitter, which may decrease signal loss. Also, if you happen to have three splitter and you are not using the third connection, try replacing it with a two-way splitter.
Quick Fix: This is a common issue, particularly for those with cable Internet service or FIOS. You wouldn’t believe how often this problem is caused by a degraded signal coming into the cable modem. If you use splitters, try replacing them. If you have several splitters on an inbound cable connection, say one coming into your home and another to break out the cable signal in your home entertainment system, check to see if they are -7dB splitters (printed on the outside of the splitter). Try replacing a -7dB splitter that your broadband modem is connected to with a -3.5 dB splitter, which may decrease signal loss. Also, if you happen to have three splitter and you are not using the third connection, try replacing it with a two-way splitter.
5. When I Move to Another Room in the House, the WiFi Signal Drops
The Problem: In your living room, your wireless connection is fine. Move into another room and the signal becomes weak or nonexistent.
Quick Fix: There are several things that could cause a wireless signal to drop. The big culprit is interference. Cordless phones and any device using the 2.4GHz band could be the cause. Even things you couldn't imagine could cause interference, including mirrors and glass. Once you've checked for physical interference, test something: Do all your devices and computers lose signal at the same location, or just one in particular? If all, chances are the problem lies with the router. Consider external antenna for the router and also check for router firmware updates. If one specific machine is dropping the signal, update that machine's wireless client adapter or upgrade the adapter altogether.
Quick Fix: There are several things that could cause a wireless signal to drop. The big culprit is interference. Cordless phones and any device using the 2.4GHz band could be the cause. Even things you couldn't imagine could cause interference, including mirrors and glass. Once you've checked for physical interference, test something: Do all your devices and computers lose signal at the same location, or just one in particular? If all, chances are the problem lies with the router. Consider external antenna for the router and also check for router firmware updates. If one specific machine is dropping the signal, update that machine's wireless client adapter or upgrade the adapter altogether.
6. Port Forwarding Does Not Work
The Problem: You want to run an application that requires a specific port on your network to be open. You follow the directions that the app developers provide only to get the error, "Port closed."
Quick Fix: Usually, this isn't a problem with a user's configuration. It's a problem on the Internet service provider's side. ISPs will often block ports to strengthen your network against hackers and intruders. Before frantically going through your configuration steps again, check to make sure the port you are setting up for forwarding is not blocked by your ISP. Use a tool like the Open Port Check Tool to see if the port you need opened is being blocked. If so, contact your ISP.
Quick Fix: Usually, this isn't a problem with a user's configuration. It's a problem on the Internet service provider's side. ISPs will often block ports to strengthen your network against hackers and intruders. Before frantically going through your configuration steps again, check to make sure the port you are setting up for forwarding is not blocked by your ISP. Use a tool like the Open Port Check Tool to see if the port you need opened is being blocked. If so, contact your ISP.
7. I Forgot the Password to My Router
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The Problem: You forgot the password to manage your router. Period.
Quick Fix: You have to reset the router back to its factory default settings. You'll lose all your configuration settings made on the router. On the back of most routers is a recessed button labeled "Reset." Using a paper clip, hold this button in until the LEDs on the router blink (the amount of time you need to hold the reset button may vary from router to router, so check the documentation). This will reset the router back to factory settings, enabling you to use the default username and password again. Also, many current routers allow you to save the configuration settings so you don't have to reconfigure after performing a factory reset, so check to see if your router has that capability.
Quick Fix: You have to reset the router back to its factory default settings. You'll lose all your configuration settings made on the router. On the back of most routers is a recessed button labeled "Reset." Using a paper clip, hold this button in until the LEDs on the router blink (the amount of time you need to hold the reset button may vary from router to router, so check the documentation). This will reset the router back to factory settings, enabling you to use the default username and password again. Also, many current routers allow you to save the configuration settings so you don't have to reconfigure after performing a factory reset, so check to see if your router has that capability.
8. The Router Shuts Itself Off
The Problem: After having a router for a while, you notice that every now and then it shuts itself off.
Quick Fix: This is usually caused by overheating. Many of us leave our routers running 24/7. As it ages, the router can become more inefficient at cooling. Check to ensure the cooling vents on the router are not obstructed. Unplug the router for a bit. Use a can of compressed air to clear out as much dust as you can from the vents.
Newer routers have energy efficient settings that let you specify when it should shut the wireless radio off or power down, such as after 30 minutes of being idle. If your router doesn’t have this feature, best practice is to turn it off when it’s not being used to extend its life.
Quick Fix: This is usually caused by overheating. Many of us leave our routers running 24/7. As it ages, the router can become more inefficient at cooling. Check to ensure the cooling vents on the router are not obstructed. Unplug the router for a bit. Use a can of compressed air to clear out as much dust as you can from the vents.
Newer routers have energy efficient settings that let you specify when it should shut the wireless radio off or power down, such as after 30 minutes of being idle. If your router doesn’t have this feature, best practice is to turn it off when it’s not being used to extend its life.
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