#Network

Windows Fixes | Adhen Prasetiyo

How to Fix Bluetooth Not Working on Windows 11 — From Missing Toggle to Disappeared Driver

Bluetooth vanished from your Windows 11 settings after an update? You're not alone. This isn't a simple toggle problem — it's a driver conflict that Microsoft has been struggling with since late 2025. Here's every fix, from the quick service restart to the nuclear driver reinstall.

Mar 3, 2026

Windows Fixes | Adhen Prasetiyo

How to Fix WiFi Keeps Disconnecting on Windows 11 — The Real Causes and Permanent Solutions

Your WiFi drops every few minutes on Windows 11, but your phone works fine on the same network. That tells you everything — the problem is Windows, not your router. Here's the actual fix that stops the disconnections permanently, not the generic advice you've already tried.

Mar 2, 2026

Linux Fixes | Adhen Prasetiyo

How to Fix Nginx 502 Bad Gateway on Linux (It's Almost Always PHP-FPM — Here's How to Prove It)

Nginx shows "502 Bad Gateway" and you have no idea where to start. 90% of the time, the problem is PHP-FPM — it either crashed, ran out of workers, or the socket path doesn't match. Here's how to read the error log, find the exact cause, and fix it in minutes.

Feb 20, 2026

Mobile Fixes | Adhen Prasetiyo

Android WiFi Connected but No Internet — How to Fix It (Including the Captive Portal Trick Nobody Knows)

Your Android shows the WiFi icon with an exclamation mark — connected but no internet. You restart the router, forget the network, reconnect. Nothing works. The hidden cause might be Android's Captive Portal check pinging Google servers that your network blocks. Here's how to fix it.

Feb 18, 2026

Linux Fixes | Adhen Prasetiyo

How to Fix Discord Microphone Not Working on Linux (PulseAudio and PipeWire)

Discord on Linux detects your microphone but nobody can hear you? Or maybe the mic doesn't show up at all? This is almost always a PulseAudio or PipeWire routing issue. Here's how to actually fix it.

Feb 17, 2026

Windows Fixes | Adhen Prasetiyo

How to Fix "Wi-Fi Connected, No Internet" on Windows 11 When Every Other Device Works Fine

Your laptop says "No internet, secured" but your phone, tablet, and everyone else's devices are online just fine. The problem isn't your router — it's something on your PC. Here's how to track it down and fix it.

Feb 17, 2026

How-To Guides | Adhen Prasetiyo

How to Check RAM Health on Windows 11 (Built-In Tool + MemTest86 Guide)

Random BSODs, app crashes, and system freezes? Your RAM might be failing. Windows 11 has a built-in memory diagnostic tool, but it hides the results in Event Viewer where nobody looks. Here's how to run the test AND actually find the results.

Feb 7, 2026

Browser Fixes | Adhen Prasetiyo

How to Fix ERR_QUIC_PROTOCOL_ERROR in Chrome (Why It Mostly Hits YouTube and Google Sites)

Chrome shows ERR_QUIC_PROTOCOL_ERROR but only on YouTube, Gmail, or Google sites? That's because Google is one of the few companies that uses the QUIC protocol. Your firewall is probably blocking UDP port 443. Here's the one-flag fix and the real network solution.

Feb 4, 2026

Browser Fixes | Adhen Prasetiyo

How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome (The Fix That 90% of Guides Miss)

Chrome says "This site can't be reached — DNS_PROBE_FINISHED_NXDOMAIN." You flush DNS, it still happens. That's because Chrome has its OWN internal DNS cache that's separate from Windows. Here's how to clear both — plus the hosts file trick nobody checks.

Feb 2, 2026