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- make sure everything is on
- make sure you're connected to the internet
- make sure your cables are wired correctly
make sure two devices don't have the same IP

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Sometimes your networking devices don't work no matter what you try.

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Sometimes your networking devices don't work no matter what you try.

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It can be a good idea to check the physical connections to see if a cable hasn't somehow come loose.

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IP addressing problem - Sometimes two computers might be assigned same IP address which can lead to connection issue.

Network related problems - Wi-Fi might not be reachable in all part of the house.

Problems cause by Firewall - might cause trouble sharing files with computers.

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Configure Network Switch On different class-network 

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Configure Network Switch On different class-network 

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Switch default class-network was 192.168.0.0 so in order to change the class I got an old router that was on the same class network. The was able to go into the switches configure menu and change the class-network to the same as my home router which uses 10.0.0.0

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Q1. Two computers are trying to use the same IP address.
A1. Change the IP address of one of the computers.
Q2. Router connection to WAN has dropped out due to WAN issue. WAN issue is now resolved but router still says no WAN connection.
A2. Turn the router off for 10 seconds an then back on.
Q3. Ethernet cable is not working.
A3. Check Ethernet cable is not damaged/broken/improperly-terminated with an cable testing tool.

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mvkv,,,vv,v,,v

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If only a single workstation is displaying the “No internet” message when opening a web browser, we can usually assume that the rest of the network is healthy and turn our attention to any hardware and software that is particular to this system.

Solution: Eliminate the obvious communication barriers such as a bad cable, poor WiFi signal, failing network card or incorrect drivers. Ensure that the workstation’s network adapter is configured with the correct IP, subnet, and DNS servers.

Check any firewall software on the device to ensure that necessary ports are open to the external network. Common ports include 80 and 443 for web traffic, plus 25, 587, 465, 110, and 995 for email.

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A quick inspection of your router or hub will tell you if some machine is disconnected, or if the culprit is a faulty cable.

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NIC issue? Try and ping device from another computer, if unsuccessful, you need to check firewall settings, and if that is still not helping, you need to replace your NIC

9. Slow internet? Check the router settings via IP address, and you can see where all data is going, you can also partition the internet to allow more data to your device

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Problem: Malicious interference has occurred within the network resulting in stolen and corrupted data packets.

Solution: Implement network protection software, such as Windows Defender, to prevent such interference from occurring.

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Problem: some times on older network systems files cannot be accessed by some of the other computers, this is due to a clash of NETbios systems

Solution: you might need to strip and replace the entire system

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ping another computer
check firewalls

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Errors such as The network path cannot be found or IP address could not be found

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Errors such as The network path cannot be found or IP address could not be found

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Solution
Check the internet protocol version 4 (TCP/IP) and the adapter will show if you have incorrect DNS server so then just click obtain DNS server automatically.

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Sloution: If only one user is affected, check the NIC settings to be sure it is configured to use DHCP. Next, check the switch to see which VLAN the port is configured as a member. Check that other devices on this VLAN can get addresses. If they cannot, the problem may be that the router is not forwarding DHCP requests to the DHCP server. If many devices across several subnets are having this problem, the problem is likely the server itself. The server may not have the DHCP service running, or it may have run out of addresses to distribute.

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Problem:
IP Conflicts
Solution:
Re-configuring your DHCP setup to ensure that static IP addresses are excluded from the pool. This will reconfigure IP addresses appropriately, which will resolve the conflict and in return will lead to all machines on the network getting the proper access that they are supposed to get.
- Syed & Alex

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Solutions
Steps taken

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Make sure the access points are correct with the connected LAN cables

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Is your internet speed very slow? try changing the channel, make sure that you know which channels that you are able to use

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Router unable to resolve the DNS of a server

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router not working? turning it off and on again, that should fix the problem

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*  Check the WAN and LAN setings
* Check the router settings
*  Verify network connection with ping
*  Look for security mismatch
*  Verify wireless adapter
*  Verify TCP/IP settings

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- Make sure that all the devices are on
- Make sure that there is a connection available
- If the network adaptor's driver is not up-to-date (on your device), try updating it
-  Make sure that the cables are actually connected to the respective areas
- Make sure that there are no problems with the cables