Could a game exploiter have hacked my home Wi‑Fi?
Yesterday I was playing an online game with friends when we encountered someone using exploits. They threatened me and said "just say goodbye" before leaving. Today, when I…
router issues
Why does my PC slow down the TV even with a fast Ethernet connection?
My sister and I both use wired Ethernet connections: I connect my gaming PC, while she connects her TV for streaming. Whenever my PC is online, her TV…
Why does my PC slow down my sister’s TV even over Ethernet?
My sister and I both use wired Ethernet connections: I use my PC for gaming, while she uses her TV for streaming. Whenever my PC is turned on…
Online games keep disconnecting even though the internet stays connected
My PC is connected to a secondary router through Ethernet. For about a month, online games have started disconnecting every few minutes after my computer has been running…
Why did both Wi-Fi and mobile signal suddenly become unreliable at home?
For more than two months, the Wi-Fi and mobile-data signal from every device in the house has suddenly become extremely weak and inconsistent. The broadband and mobile services…
Ethernet Shows Connected but No Internet After Working Fine Overnight
My PC's Ethernet connection worked normally until last night, but this morning Windows still says it is connected while no websites or internet-dependent apps will load. Wi-Fi works…
Wi-Fi Keeps Disconnecting During Teams and Zoom Calls—How Can I Fix It?
My Wi-Fi disconnects repeatedly, making it difficult to attend Teams or Zoom meetings. The connection may disappear for about five minutes, return for roughly half an hour, and…
How can I stop my Wi-Fi from disconnecting during video meetings?
My Wi-Fi keeps disconnecting for about five minutes at a time, sometimes several times within an hour. This makes it difficult to attend meetings on Microsoft Teams or…
Why does my Ethernet connection randomly drop until I reconnect the cable?
My computer randomly loses its wired connection to a fairly new router, even though the Ethernet cable stays physically plugged in. This happened with both my old cable…
Why am I getting NET::ERR_CERT_AUTHORITY_INVALID on every device?
Every device on my home network started showing NET::ERR_CERT_AUTHORITY_INVALID when opening sites and using services such as YouTube and Netflix. It seems unlikely to be a problem with…
Sudden Packet Loss and Extreme Lag Despite Replacing My Network Hardware
I recently started experiencing severe packet loss and latency in every online game. Before this began, I consistently had low ping and no packet loss, but since one…
Home Wi‑Fi Network Suddenly Disappeared From Every Device
My home internet stopped working today after being fine earlier. There doesn't appear to be a provider outage in my area, but my own Wi‑Fi network no longer…
Sudden Packet Loss and Extreme Lag Across All Games
I recently started having severe packet loss and latency problems in every online game. Before this, I consistently had low ping and 0% packet loss, but since one…
Can an ISP Make My Personal Router Stop Working After Neighborhood Maintenance?
My internet has become unreliable twice shortly after my ISP sent technicians to work on equipment at the curb for a nearby customer. The following day, my connection…
Two PCs Have the Same Unstable Internet Connection—Could the Router Be Failing?
I'm not very experienced with troubleshooting computers, so I'm trying to figure out where this problem is coming from. My older Acer PC began having connection problems after…
Several Work Websites Stopped Connecting After My ISP Restarted the Router
Everything was working normally until my router disconnected for about two minutes around midnight, apparently because my ISP pushed an update. Since then, several services I need for…
Why does turning on my gaming PC disconnect Wi‑Fi for the entire house?
I never had Wi‑Fi problems before getting my first gaming PC. Now, whenever I start it, the internet either stops working immediately or drops shortly afterward for every…
Frequent Internet Disconnects Despite Replacing the Router
For the past few months, my home internet has been disconnecting repeatedly on every device. Windows troubleshooting usually reports that it cannot communicate with the primary DNS server,…
How Can I Diagnose Frequent Internet Disconnects and DNS Errors?
For the past couple of months, my home internet connection has been dropping repeatedly across every device. Windows troubleshooting reports that it cannot communicate with the primary DNS…
Why Does Wi‑Fi Slow Down Only on My Personal Laptop?
My internet connection repeatedly slows down during the day, but only on my personal laptop. When it happens, both upload and download speeds drop below about 7 Mbps,…