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Diagnostics

Why the internet isn't working, low speed, connection interruptions, and how to fix them. Β· p. 81/168

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Repairing Wi-Fi module WIDT20R (BN96-01148X): instructions
A detailed guide to diagnosing and repairing the WIDT20R BN96-01148X module. This guide covers antenna replacement, firmware update, power supply testing, and troubleshooting connection errors.
⏱ 10 min
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How to check the WiFi module on a laptop: a complete diagnostic
Detailed instructions: how to check the functionality of your laptop's WiFi module. Software and hardware diagnostics, drivers, and device manager.
⏱ 13 min
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How to check your laptop's Wi-Fi band: 2.4 GHz or 5 GHz
Find out what Wi-Fi band your laptop supports. Complete instructions for Windows and macOS, including checking drivers and adapters.
⏱ 11 min
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How to find out if your laptop has a WiFi adapter: 6 ways to check
A detailed guide on how to check the presence and status of a WiFi adapter on your laptop. Diagnostic methods include Device Manager, command line, and visual inspection.
⏱ 11 min
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How to Find Your Laptop's WiFi Generation: A Complete Guide
Detailed instructions on how to check your Wi-Fi module version, identify 802.11ac/ax standards, and determine your wireless generation on Windows.
⏱ 12 min
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Microwave Jamming WiFi: Why and How to Fix It
We'll explore the reasons why your microwave is jamming your WiFi and Bluetooth. We'll also explore effective ways to eliminate interference, select a channel, and configure your router.
⏱ 10 min
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No Internet Access via Beeline WiFi: Causes and Solutions
Lost your Beeline WiFi? A complete guide to diagnosing your router, setting up DNS, checking your balance, and restoring your network in 5 steps.
⏱ 11 min
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Very slow WiFi: causes and ways to speed it up
Why is my WiFi reception poor and what should I do? A complete guide to troubleshooting internet speed issues, configuring your router, and selecting a channel.
⏱ 11 min
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Rostelecom Wi-Fi Not Detected: Causes and Solutions
Is your phone not finding the Rostelecom Wi-Fi network? We'll explore the causes, router reset options, frequency ranges, and hidden driver errors.
⏱ 10 min
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The Internet is not working on my laptop: there is a connection, but no network
Is your laptop connected to Wi-Fi, but the internet isn't working? We'll explore the causes, from DNS settings to drivers. We'll solve the 'No internet access' problem.
⏱ 9 min
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Why Wi-Fi Works Poorly at Night: Causes and Solutions
Are you experiencing a drop in internet speed in the evening? We'll explore the technical causes of network congestion, the impact of household appliances, and methods for signal stabilization.
⏱ 10 min
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Why is my laptop blocking Wi-Fi? Causes and solutions
Is your laptop not connecting to Wi-Fi or blocking the network? We'll explore the main causes, router and driver settings, diagnostic methods, and troubleshooting.
⏱ 10 min
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HP Laptop Has Poor Wi-Fi Reception: Causes and Solutions
Why is my HP laptop losing network connection? A complete guide to drivers, adapter settings, and troubleshooting. Fix slow speeds and disconnects.
⏱ 9 min
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My laptop isn't detecting my Wi-Fi router: causes and solutions
Your laptop isn't detecting your Wi-Fi router, but other devices are working? We'll explore the causes, driver settings, frequencies, and hidden SSIDs to restore connectivity.
⏱ 7 min
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Why Wi-Fi is not working properly: causes, diagnostics, and solutions
Find out why your Wi-Fi router is slow. We'll analyze the causes of slow speeds and provide tips on setting up and boosting your signal for a stable internet connection.
⏱ 11 min
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Why does it say "Internet may be unavailable" when connecting to Wi-Fi?
We'll explore the causes of the "Internet may be unavailable" error on Android and iPhone. We'll also address DNS, router, and network settings issues.
⏱ 9 min
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Why does my laptop say "WiFi is limited"? Causes and solutions
Is your laptop connected to WiFi but the data is limited? Learn the main causes of IP address errors, DNS conflicts, and driver issues. Step-by-step instructions for troubleshooting.
⏱ 10 min
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Why does my Wi-Fi router signal disappear? Causes and solutions
We'll figure out why your Wi-Fi signal is dropping. We'll cover effective methods for troubleshooting connection issues, channel setup, and equipment diagnostics.
⏱ 8 ​​min
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Why Your Phone Drops Wi-Fi: Causes and Solutions
Is your phone's Wi-Fi constantly disconnecting? We'll explore the causes, from power-saving settings to router issues. We also offer effective recovery methods.
⏱ 8 ​​min
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Why does my laptop's Wi-Fi connection drop? Causes and solutions
Is your laptop's Wi-Fi constantly dropping out? We'll explore the causes of disconnections, driver errors, power saving settings, and interference. Here's a step-by-step guide to restoring your network.
⏱ 9 min
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Why is Wi-Fi internet slow? Causes and solutions
A detailed analysis of the causes of slow Wi-Fi speeds. Learn how to eliminate interference, configure your router, and speed up your home network without replacing your equipment.
⏱ 8 ​​min
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Rostelecom Wi-Fi without internet access: causes and solutions
Rostelecom says "No internet access"? A complete guide to troubleshooting DNS, IP, and PPPoE errors on RT routers.
⏱ 10 min
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Wi-Fi is connected but not working: 8 reasons and solutions
Why does my laptop detect Wi-Fi but not the internet? A complete diagnostic guide: resetting DNS, checking drivers, TCP/IP and router settings.
⏱ 10 min
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Gray Wi-Fi Icon: Causes and Fixes
Why is the Wi-Fi icon grayed out? A complete guide to diagnosing, resetting, and repairing the Wi-Fi module on Android, iOS, and Windows.
⏱ 9 min
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How to check WiFi signal strength: precise methods and standards
A detailed guide to measuring WiFi signal strength. dBm standards, hidden Windows and Android settings, and professional analysis software.
⏱ 10 min
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Only one device connects to Wi-Fi: causes and solutions
Why does the router only see one device? We'll explore IP conflicts, DHCP limits, and adapter settings for stable network operation.
⏱ 10 min
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How to Check Wi-Fi Speed: Accurate Network Diagnostics
Learn how to check your Wi-Fi router speed on your phone and PC. We'll review the best services, troubleshoot interference, and configure 2.4 and 5 GHz frequencies.
⏱ 11 min
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How to check your phone's Wi-Fi module: a complete diagnostic
A detailed guide on how to test your phone's Wi-Fi module. Android and iOS diagnostic methods, speed tests, and troubleshooting hardware and software issues.
⏱ 12 min
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How to find the Wi-Fi frequency on a laptop: a complete guide (2026)
A detailed guide on how to check the 2.4 or 5 GHz Wi-Fi frequency on a Windows, macOS, and Linux laptop. Network diagnostics, channel selection, and acceleration.
⏱ 11 min
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How to find out if your device supports Wi-Fi 6: A complete guide
A detailed guide to checking Wi-Fi 6 support. Find out if your router or smartphone has an 802.11ax module. Methods for Windows, Android, and iOS are covered.
⏱ 10 min