Check your router (or your connection) hasn't dropped back from 5GHZ band to 2.5GHZ band - on the 2.5GHZ band especially if there are a lot of people on the same channel your speed will drop. If you are using LAN / direct connection check also quality of cable -degraded LAN cable can cause horrendous drop in speeds. Since the past month, my internet speed drops below 1mbps after 7pm onwards. It is soo poor that after 10pm I can't watch youtube videos - as it takes forever to load. Strangely - during the day, the download speed goes upto 45mbps - but I have never seen reaching 60mbps.

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lotus6191779 days ago

I have had experience of the situation you stated. Do you have Windows 10 and did this problem occur AFTER that Nov update? If so, your problem sounds exactly like mine and hundreds of other people. Apparently Microsoft will have a patch with a fix soon, I hope.
Are you totally sure that you are on the internet, or might you be connected to the modem, but no I-net access. If you use the troubleshooter does it tell you that, ' One or more network settings are missing on this computer'? This occurred after that update in November.
Right now, many people have offered fixes (at the Microsoft forums), but as soon as you know you do not have I-net access (you can find this out by checking the I-net icon in your tray) or, of course, your browser soon tells you.. The icon has a yellow part where there is no color if connected.
I corrected it simply by restarting. It has been perfect since I started doing it, and so long as you did the same thing with success, check the MS forum for the update.
I hope this helps.

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In today’s world, the reliability of your home WiFi network can feel as crucial as running water and electricity. And just like we’ve grown accustomed to lights coming on at the flip of a switch and clean water readily flowing from our faucets, we want to be able to count on our internet connection whenever and wherever we need it in the house.

Internet Speed Starts High Then Drops Low

Reality can be quite different. Who hasn’t been in their bedroom trying to watch a short video on social media before bed, and encountered frustrating buffering? It’s almost midnight, so you just know it can’t be mere bandwidth issues. Anyone who has found themselves standing in the kitchen for a video conference, because it’s the only place they can depend on an hourlong solid connection, knows that WiFi isn’t always reliable.

Have you ever wondered what the deal is in your home? What makes some parts of the house great for web surfing and others totally frustrating? And why do the dead zones sometimes change?

It turns out that because WiFi signals are radio waves, a variety of elements can obstruct them or interfere with them. Without a mesh network to efficiently rebroadcast the signal so that it reaches around corners and other obstacles, your home’s dead zones may be due to some things that may surprise you.

Bad router placement

A lot of people just leave their router where the connecting wires come into the house. If that’s the case, the signal ends up being generated far from where you actually use the Internet. The farther from the router, the weaker the signal, even without any other interference.

Your home is old or has solid walls

It turns out, the more solidly your home is built, the more likely the interior walls are blocking your WiFi signal. Some old homes with walls made of plaster often have metal supports (sometimes made of chicken wire!) that can prevent your router’s signal from reaching your device. Concrete and brickare other materials that can block radio waves.

Your home is too big

The average router can only broadcast the WiFi signal so far, so with a sprawling, spread-out house, you will experience a weaker signal the farther you get from the router and possibly be unable to detect any signal at all at the farthest points. And if your place covers multiple stories, the combination of distance from the router and the materials in the floors and ceilings between the router and your device will cause dead zones.

You have large solid pieces of furniture

Internet Speed Starts High Then Drops Generic

From that massive credenza that you scored at that sample sale to the metal shelves you use to house your collection of design books, large pieces of furniture like metal desks, solid wood slabs, and other barriers can prevent your WiFi signal from passing.

Your other electronic devices

Maybe that crazy old uncle was onto something when we accused the microwave of futzing with the TV and the phone. Small household devices as varied as baby monitors, wireless sound systems, microwave ovens, baby monitors and old cordless phones actually can interfere with router signals.

Other people’s WiFi

At&t Internet High Speed Test

If you are in an apartment, overlapping WiFi networks could be to blame. When each residence has its own WiFi network and neighbors use the same wireless channel, there is often interference. This type of impact on network strength can also occur in closely grouped single-family homes and townhouses. (Easy fix: change the wireless channel your own router uses. Let the rest of them hang out on the same band.)

Other people in your home

Your housemates, related or not, do more than just use up all the hot water! There is limited bandwidth on your WiFi connection and if someone is using it in ways that hog it all up, it will slow down the signal for everyone else. Online games, streaming video, torrents and video chat are all common culprits for a household’s seemingly weak WiFi.

Your beautiful things including fish tanks

What Speed Is High Speed Internet

Did you know that water in a large fish tank can negatively influence your WiFi? All sorts of gorgeous things that reflect visible light also reflect radio waves and can lead to WiFi dead zones. We’re talking water, ceramic, mirrors and things like that. And speaking of things that we love to look at but that can put a damper on your network, we sadly report that Christmas lights can be a seasonal WiFi-fritzing surprise! (This is one thing we can safely blame on electromagnetic radiation, without risking controversy.)

Your old router or old router settings

It may be time to upgrade to a new router, one that can use both 2.4GHz and 5GH bands. And if you’re using old WEP security or *GASP* your network is Open with no security, WiFi theft and unauthorized use could be slowing down your speeds. An upgrade to an intelligent, more modern router system is a suggestion growing more common for people who want to make sure they have strong WiFi in every corner of their home.

Your router needs a reboot

When your router hasn’t been rebooted in a long time, expect performance to suffer. Much like our phones and laptops, our routers need regular restarts. This often-neglected fix is a leading reason for WiFi issues. Some new router systems, like eero, include timed reboots, meaning you can solve a few of these WiFi dead zone causes with an equipment upgrade.

It’s frustrating and sometimes it doesn’t seem to make sense, but as the dependability of your WiFi becomes even more important to your daily life, it’s worth taking a look at what might be slowing things down and consider making some small changes and even updating your system to keep your signal flowing with ease.