5 Reasons Why Internet Slow On One Computer But Fast On Another?


internet slow on one computer but fast on anotherEver since this pandemic has begun, the conflict for internet speed among family members has become more sincere than ever. Workers need the internet to perform their jobs and to take part in meetings. And why internet slow on one computer but fast on another?

The students also need the internet to attend their online classes. Several gadgets are connected only to one router, together with computers, smart TVs, laptops, gaming consoles, phones, and many more.

The concern becomes more frustrating once the internet speed is slower on your device than the other gadgets connected. At the same time, this is a common problem, and numerous factors can affect the situation.

internet slow on one computer but fast on another

Why Is The Internet Slow On One Computer But Fast On Another?

1. Computer’s Location

A weak and bad WiFi signal is nearly the cause of a poor and slow internet connection on one device, most likely a computer. Suppose it happens that you are using a traditional or old type of modem or router provided by your service provider. In that case, you need to put it in an appropriate location so that its internet signal gets as far as the whole house.

Locate the router near your computer, or otherwise, move your computer near the router. Decreasing the distance that the signals should travel to get to your device will help. The more distance, the more risk of slow speeds internet connection.

At the same time, also consider that the objects can also restrict internet connection speed. Put the router free from clutter and put it in an open and high location. Do not put the router inside the cabinet.

2. The Health of Your Computer

Spyware, viruses, and deficient browser add-ons can impact internet speed performance and add problems they can create.

First, spyware can hinder your browser and monopolize your internet speed, resulting in a slow system and internet. The spyware is intended to watch your internet use, causing delays in your work procedure. With multiple spyware apps can affect your browsing experience and even give rise to losing connection completely.

This infestation will be destroyed completely once you run an anti-spyware program.

The viruses normally install computer codes that try to disseminate themselves by sending copies of themselves by email. Other virus types can increase by thousands of emails every minute, leaving nothing more than internet bandwidth for some other activity.

You must run a capable and trusted antivirus application on your computer or device at all times because the virus infections don’t have whatsoever obvious indicators. Finally, other third-party add-ons browsers are troublesome and can slow down the speed of your internet connection.

You must Disable the add-ons browser you don’t use and need, particularly the ad blockers, and check if there’s some improvement in the performance of your internet speed. But how to disable extensions properly on different browsers?

For the Chrome browser, simply click the puzzle piece-like icon at the window’s corner top right and choose the “Manage Extensions” from the “Menu.” Now you could “Turn Off” the extensions you don’t need and remove them you don’t recognize.

With Firefox browser, click on the 3-line icon situated at the right upper corner of the screen and select Add-ons. And click the “Plugins” or “Extensions” you want and Remove or Disable them.

For the Microsoft plainly, Click the 3-dots at the right top corner and select “Extensions.” Turn off the switch next to the unneeded extensions to “disable” them or choose “Remove.”

Lastly, for the Safari browser, just click on Safari and then go to “Preferences” and select the “Extensions” icon on of the screen’s upper side. Uncheck the “Enable” box next to every extension you do not need or Uninstall them.

3. The Troublesome Apps

First of all, you should always be conscious of the programs and apps running in the background while working. Few of them can intemperately affect your internet connection and cause it to perform slowly.

Your computer needs a specific quantity of memory space, disk space, and computing power for a smooth run of your computer.

Running and using programs that use up a lot of calculating memory and power can compete with your web browser and affect your internet speed. Search for “Background apps” in the Windows search bar and open the Settings menu that contains a list of them.

Go to the list and then disable those you do not like to run on your background computer. And then Right-click the Windows logo and choose from the list the Task Manager, and open the app.

With the “Processes” tab, the currently running apps are on the list, and beneath the Network heading, you will see how much internet they’re ingesting.

In this method, you can see the defective apps.

Furthermore, some apps are programmed to prioritize procedures like videos or games to stream over other programs like the web browsing and downloads. For example, AMD’s Quick-Stream is made to shape the movement of your internet traffic to favor some apps over others.

Other similar apps include the AVG Web Tuneup, ASUS GameFirst, XFast LAN, and LAN Optimizer.

4. The Corrupt Transmission Control Protocol/ Internet Protocol(IP/TCP)Stack

A corrupt Transmission Control Protocol/ Internet Protocol (TCP/IP) stack can be the reason for the network issues dealing. You can get rid of and then reinstall the TCP/IP or reset it.

  • In the Windows search box, type “Command Prompt” and open the utility.
  • In the field, type the “netsh int ip reset c:\resetlog.txt” and choose the “Enter” key on the keyboard.
  • The command mentioned will overwrite the keys:
  • “SYSTEM\CurrentControlSet\Services\Tcpip\Parameters”
  • “SYSTEM\CurrentControlSet\Services\DHCP\Parameters”
  • If you don’t want to determine a directory path for the log file, run this command instead: “netsh int ip reset.”
  • Your computer now reboot.

5. Wrong Settings

Other people have said that setting a slower connection standard in the “Settings” creates the connection to perform faster. Even though it’s a bit odd, it’s worth trying and if it didn’t work for you, turn back the changes.

“Right-click” the logo Windows and choose “Device Manager” from the menu. Then locate Network Adapters in the list and then double-click on it. “Right-click” on the name of the device you use to connect to the internet and choose Properties. Proceed to the Advanced tab and find the option permitting you to select the WiFi standard in the given list.

Alter the duration from 802.11b/g/n into 802.11b/g. Considering the network adapter is a perpetrator for the connectivity problems you have.


Next time you encounter internet slow on one computer but fast on another, you have the list of solutions discuses above. Any of those methods above could fix the slow internet problem on one PC.

Regarding hardware issues, it may require you to refer to the IT specialist. One final and the best advice is to go for a wired internet connection.

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