Broadband router configuration errors, wireless interference, or any of several other technical problems adversely affect the speed and stability of your internet connection. Diagnose and fix the causes of your slow internet connection on your own, before you reach out for potentially expensive tech support.

Some software applications, like Windows Update and other software updaters, run background processes that are hidden behind other apps or minimized to the system tray, where they quietly consume network resources. Unlike worms, these applications are designed to do useful work and should not be removed from the device. It's easy to forget that things like these are running. Check your computer for background network activity as you troubleshoot the slow network. But don't forget other network activity that could be impacting overall bandwidth.

Even if they're not communicating directly with each other, things like a smart TV streaming movies, a camera constantly relaying HD video, and smart speakers playing music, can make everything on the network slow. Many games automatically run downloaders that patch the game without additional intervention or approval by you. If your download speed suddenly seems slow, find out if your favorite game is downloading a few gigabytes of patch files.

Household appliances and your neighbors' wireless networks can interfere with your computers. Reposition your router for better performance and change your Wi-Fi channel number.

What to Do When Your Home Internet Connection Underperforms

In general, the closer your device is to the router, the better the Wi-Fi connection. To confirm if wireless interference is the reason for the slow internet connection, connect a computer to Wi-Fi to measure how well it performs.

Then, connect the same computer to the wired network and note any changes in performance.

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If the cable allows for a better connection, then the problem could lie in the wireless connection. Instead of moving the router, you could opt for a mesh network setup or a signal repeater. Large, dense objects such as fireplaces block Wi-Fi signals more than walls. A device that is close to a router, but blocked by a barrier, may not successfully connect. When routers, modemsor cables malfunction, they don't properly support network traffic at full speeds.

Certain technical glitches in network equipment negatively affect performance even though connections can still be made. Systematically try bypassing the router, swapping cables, and testing with multiple devices to isolate the slow performance to a specific component of the system. Then, decide if it can be upgraded, repaired, or replaced. As the centerpiece of a network, a broadband router can be responsible for slow internet connections if it is configured improperly.

For example, improperly setting the MTU of a router leads to performance problems if it's set too high or too low. Ensure your router's settings remain consistent with the manufacturer's documentation and your internet service provider 's recommendations.

Record any changes you make to the router's configuration so you can undo them later if necessary. Occasionally run speed tests to check the quality of your internet connection. These tests reveal whether your local computer's outbound connection is impaired. If you get decent throughput on a speed test but your computer's connection still seems slow, the problem may reside in your computer e.

Network slowdowns follow — not because the network is problematic, but because the computer is overtaxed. To check relative resource utilization to determine whether another component is affecting network performance in Windows 10, right-click the Start button, select Task Managerand choose Performance.

wifi slow on one computer only

On a Linux computer, use the top command. On a Mac, open the Activity Monitor. Internet speed ultimately depends on the service provider. ISPs may also intentionally install filters or controls on the network that lower your network performance. Don't hesitate to contact your service provider if you suspect it is responsible for your slow internet connection.Now once or twice a day, the internet on one of the wired computers will go real slow to the point of being unusable while all the other computers on the network have no problems.

Doing a speed test on the computer shows that the download speed is less than 1Mbps while on all the other computers, the download speed is around 80 Mbps. I did a scan on his computer and no viruses or malware is detected. When this problem happens, the computer still is able to ping other computers on the network, the modem and even out to the Internet.

The problem is not with the network cable because when I plug that cable into another computer, the Internet works fine like all the other computers. I checked the network card and there doesn't seem to be any problems and drivers are up to date.

I've tried flushing the dns, disabling IPv6 and giving it a static address but that doesn't help. Also there were no windows update recently nor was anything installed. This only started happening after they got Comcast and the modem doesn't have any extra configurations on it.

All the computers hook up to a switch which goes to the modem. This really has me stumped and I don't know what else to try. Failing that I'd suggest either checking services and startup items in msconfig Also, watch that computer for network traffic.

It may be that there is too much traffic on it. You didn't mention if you tested the port of the switch. Basically, look for anything on this computer that differs from everyone else. The computer running Windows 7 Pro with an Intel Core i3. I will try networkx on the PC. The client would like to avoid a re-installation if possible. Try moving that drop to a different port on the switch. From the switch side is that port running full duplex?

Are there any errors on that port?By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up. We just had internet installed the other day. I can connect just fine via wireless with my laptop, and I have no issues with speed.

Some pages will say the server isn't responding. If it does manage to get some of the page, most images will be missing, or the style sheet won't download and she gets a page of unstyled text.

WIFI Internet speed slow on Windows 10 - How to fix bandwidth issues and slow internet speeds

I don't think it is a matter of signal strength. She has the issue both when sitting a foot from the router and when on the opposite side of the house. In both locations, the signal shows full strength, and mine works no matter where I am in the house including right next to hers. It still loads the same page quite a bit slower on her computer plugged in than mine does over wireless. Good job on plugging her computer directly into the router.

As it's still slow then we can rule out wireless issues.

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The problem is with her computer itself. You don't say which operating system you're both using, so I'm going to assume Windows. Download some anti-malware software like AdAware Freeinstall it on her machine, and run a scan. If you have problems installing or running a scan, her machine might be quite badly infected. If that's the case, try running a free online virus scanlike Trend Micro's.

If you can't even load that site on her machine, then it's probably a really bad case, unfortunately. Many Malware and viruses are programmed to recognize attempts to remove them or access anti-malware software.

If everything comes back clean, then great. I was wrong and it's more than likely just a lot of legitimate programs taking bandwidth. Type msconfig and load that program. In MSConfig, click on the Startup tab and unclick everything these are a list of programs that get automatically loaded when Windows starts -- they can be started manually at any time, and so probably don't need to be loaded.

I'm fairly certain she doesn't have any malware.Menu Menu. Search Everywhere Threads This forum This thread.

wifi slow on one computer only

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Question of the Week: What are some tricks to getting the best performance out of our home computers? Slow Internet Speeds on only one computer. Sidebar Sidebar. Forums Networking Networking.

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Thread starter Ladysmith94 Start date Jun 13, Tags slow internet wireless. Status This thread has been Locked and is not open to further replies. Please start a New Thread if you're having a similar issue.

View our Welcome Guide to learn how to use this site. Ladysmith94 Thread Starter. Joined Feb 13, Messages Nothing is more annoying than that. Then head on over to fast. Before you go cursing your internet provider, give your modem and router a quick reset i. Check the other computers in your house to see if their internet is slow, too. If the problem only happens on one computer, the problem is that computer, not your router or modem.

Same deal. If a particular device is underperforming by a significant degree, check its network specs.

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Speaking of wifi, you might find that your router and internet are fine, but your wireless signal is weak. This can cause a slowdown—or, at minimum, a latency-filled browsing experience. In that case, you may need to reposition, tweak, and boost your router with a few tricks. There are more than we could share in one paltry paragraph—in fact, we have a whole top 10 list just for fixing wifiso check that out if you suspect your wireless signal is the problem.

And, yes, there are plenty of free apps you can use to check signal problems and see how well your router handles the rest of your concrete house. If your hardware seems to be in working order, see if any other programs are hogging the connection. You should also try installing extensions like AdBlock Plus and Privacy Badgerwhich will block some of the bandwidth-hogging ads, animations, and videos that can use up your connection.

You can also try a different browser entirely, like the privacy-minded Brave. File-syncing services like Google Drive, Dropbox, or OneDrive might be moving data in the background, which can eat up your bandwidth and slow down your internet connection.

Check these, and other bandwidth-hungry apps like your favorite digital download services for games to see if you can limit their download and upload rates, which might free up room for you to browse the web and catch up on your Netflix queue without issue.

Computers often download necessary updates in the background. Better yet, you might be able to limit the bandwidth it uses, in case its hogging up your connection for the most noble of intentions. When you type an address into your browser, your computer uses something called DNS to look up and translate that into a computer-friendly IP address.

Sometimes, though, the servers your computer uses to look up that information can have issues, or go down entirely. Thankfully, you have plenty of faster, free options to use, like Google DNS or Cloudflare to name two of our favorites.Joinsubscribers and get a daily digest of news, geek trivia, and our feature articles.

There are many reasons your Internet connection might appear slow. It could be a problem with your modem or router, Wi-Fi signal, signal strength on your cable line, devices on your network saturating your bandwidth, or even a slow DNS server.

These troubleshooting steps will help you pin down the cause.

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If your speed test confirms your internet is slow, you should try connecting to multiple websites and using multiple devices in your home if your Internet connection is slow.

Narrowing down where the problem lies will help you fix it. Does the slowness just happen on one computer, or all your devices? You may just have to reboot the computer, or you may need to perform a malware scan with your preferred antivirus to check that everything is fine.

Be sure to stop any downloads, uploads, Netflix streaming, or other heavy internet activity before running the test to ensure as little interference with the results as possible. There are some caveats here. Speed tests may sometimes appear rather high, as some Internet service providers may prioritize them and they may have servers very close to you. Speeds may also be slower at busier times of the day, when everyone in your neighborhood is using the Internet connection, than at off hours when many people are sleeping or at work.

Like computers, modems and routers sometimes get stuck in a bad, slow, overloaded state. This problem can be fixed with a reboot. The router connects to the modem, which is connected to the cable coming out of the wall. To reboot them, unplug each from their respective power outlets for ten seconds before plugging them back in. It may take a few minutes for your modem to reconnect to your Internet service provider and bring your Internet connection online, so be patient.

Check if your speed improves after the reboots. A bad Wi-Fi connection can seem like an Internet connection problem, especially since it can affect all the devices in your home. There are quite a few reasons you may have a bad Wi-Fi signal.

Wi-Fi Suddenly Slow? Best Ways To Fix Slow WiFi Speeds

This is a particularly common problem in denser urban areas—for example, if you live in an apartment complex with neighbors who have a bunch of wireless routers and other devices.

You could also just have a dead zone, something interfering with your Wi-Fi signal, or poor converage throughout your home. Consult our guide to speeding up your Wi-Fi and getting a better signal for more tips.

If you have a larger home or yard and need better Wi-FI coverage, consider getting a mesh Wi-Fi system that provides multiple base stations you can place around your home or property.

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