A slow internet connection happens for a variety of reasons, even if you pay for a high-speed connection such as DSL or cable . Because the Internet is based on hundreds of technologies that talk to each other, there are many places where data can slow down before it reaches your computer screen.

What is wrong with my internet speed?

There are several reasons why high speed internet is slower than expected. Internet Service Provider ( ISP ) may be to blame, but there are other factors that should be considered. Some of these slow points are under your control and can be quickly fixed with a little DIY effort.

Here are a few things to look out for in order to know why your internet speed is slow and what you can do to fix the problem.

Check your router

If a old router or modem connects your computer to an internet connection, or if you’ve had hardware for a few years, it’s time to upgrade. Check with your ISP.

The modem or router may not be configured correctly. Check the documentation that came with the hardware or go to the manufacturer’s website to find the correct settings.

The modem or router may not use the latest technology. router 802.11ac works faster than routers 802.11b, 802.11g, and 802.11n.

Prevent neighbors from borrowing your wireless connection with password to protect your wireless network . You should do this even if you don’t have speed issues.

Check web browser

Sometimes in web browsers there are add-ons and plugin functions that consume bandwidth. Disable add-ons and plugins to see if this changes your internet speed.

Screenshot of Google Chrome Extensions

Your web browser may have security features enabled that hold pages during a security scan. Check your browser’s security settings to find blocked content.

When the browser’s memory cache is full, the browser slows down to accommodate the limited hard drive space. Clear cache selectively or completely.

Screenshot of "Clear browsing data"

Check your computer

Malware can infect a computer and secretly use Internet bandwidth to send spam and other suspicious data. Run your antivirus software regularly to prevent this.

Virus scan screen shot

Computers that are more than three years old are not fast enough for today’s web pages. If possible, buy a new computer.

Look for background processes

If you are using torrent the download may run in the background and consume bandwidth. Look for any downloads that may be happening in the background.

When multiple application windows are open in the background, these applications use the computer’s CPU. Check Task Manager and close unnecessary programs and browser windows.

Task Manager Screenshot

If a dialog box is open and asks for a response, it may cause the computer’s CPU to stall while it waits for a Yes or No input.

Check with your ISP

Your ISP may be having issues with signal routing. Contact your ISP with your problems.

tables DNS ( domain name systems ) may be out of date, so the signals are sent to the wrong addresses on your ISP’s network. Update your DNS servers .

Look for obstacles

Radio or microwave devices in the home can degrade wireless internet signals. Keep routers, modems, and computers away from kitchens, microwave ovens, or radio telephones.

Distance causes a slowdown. Place the router and modem next to the computer, or vice versa.

In a large house where the router is in the basement or in a far corner of the house, add an internet amplifier. Place an amplifier halfway between your router and your computer to boost your signal and speed.

take action

These are some of the possible reasons why your internet speed might be slow. If you think your internet connection is unreasonably slow, follow these steps:

  1. Perform a speed test on your computer . Use a website such as speed testing DSLreports.com or Speedtest.net . Repeat the test several times a day to see if the speed changes a lot.

    Screenshot of internet speed test
  2. Troubleshoot your computer . Use list troubleshooting for your internet connection.

  3. Contact your ISP and explain your concerns . Only the provider can check the signal coming into the house and tell you if it is a high speed signal. The ISP troubleshoots and fixes the problem if it is in their service. If the signal is strong for your home, the router, computer, or conditions in your home may be causing the slowdown.

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