# ErrorNest

> Practical troubleshooting guides for Windows, printers, Wi-Fi, internet and mobile signal issues.


## Posts

- [Bluetooth Headset Connected but No Sound on Windows 11: 9 Fixes](https://errornest.com/bluetooth-headset-connected-no-sound-windows-11/): A Bluetooth headset, headphones or AirPods can show as connected on Windows 11 with no sound. Check the output device, the Stereo and Hands-Free choice, pairing, services and drivers.
- [No Output Devices Found on Windows 11: 9 Fixes](https://errornest.com/no-output-devices-found-windows-11/): Windows 11 says No output devices found? The audio device is usually disabled, its driver failed to load or the audio service stopped. Follow these 9 fixes in order.
- [ERR_CONNECTION_ABORTED in Chrome: 9 Ways to Fix It](https://errornest.com/err-connection-aborted-chrome/): Chrome shows ERR_CONNECTION_ABORTED? Follow these 9 steps covering extensions, VPN, antivirus, QUIC and network reset.
- [PR_CONNECT_RESET_ERROR in Firefox: 9 Fixes for Secure Connection Failed](https://errornest.com/pr-connect-reset-error-firefox/): Firefox shows "Secure Connection Failed" with PR_CONNECT_RESET_ERROR? Try these 9 fixes: VPN, proxy, HTTP/3, antivirus, DNS and more.
- [Could Not Activate Cellular Data Network on iPhone: 9 Fixes](https://errornest.com/could-not-activate-cellular-data-network-iphone/): iPhone says "Could not activate cellular data network"? Here are 9 fixes covering SIM, carrier settings, APN and network reset.
- [Check if the Source Device Is Connected and Powered On: How to Fix It](https://errornest.com/check-if-the-source-device-is-connected-and-powered-on/): Seeing "Check if the source device is connected and powered on" on your TV? Follow these 10 steps to restore the picture.
- [How to Fix ERR_CONNECTION_FAILED in Chrome](https://errornest.com/fix-err-connection-failed-chrome/): ERR_CONNECTION_FAILED means Chrome could not make a connection at all. Test other sites, turn off VPN and proxy, check the firewall, reset the network stack and test extensions.
- [How to Fix ERR_NO_BUFFER_SPACE in Chrome on Windows](https://errornest.com/fix-err-no-buffer-space/): ERR_NO_BUFFER_SPACE means Windows could not allocate network buffer space for a new connection. Close heavy apps, turn off VPNs, reset the network stack and update the adapter driver.
- [Mobile Network Not Available: How to Fix It on Android and iPhone](https://errornest.com/fix-mobile-network-not-available/): Mobile network not available means the phone cannot reach your carrier. Check coverage and the selected SIM, reselect the network, reset the APN, then reseat the SIM and reset network settings.
- [How to Fix NS_ERROR_NET_TIMEOUT in Firefox (The Connection Has Timed Out)](https://errornest.com/fix-ns-error-net-timeout-firefox/): NS_ERROR_NET_TIMEOUT means Firefox got no answer from a site in time. Test other sites and connections, then check VPN, proxy, add-ons, DNS over HTTPS and firewall settings.
- [Allowed Memory Size of 268435456 Bytes Exhausted (256 MB): What to Do](https://errornest.com/fix-allowed-memory-size-of-268435456-bytes-exhausted/): 268435456 bytes is a 256 MB PHP limit. If you already raised it, find the plugin or task using the memory before raising it again.
- [Allowed Memory Size of 134217728 Bytes Exhausted: How to Fix It](https://errornest.com/fix-allowed-memory-size-of-134217728-bytes-exhausted/): 134217728 bytes is a 128 MB PHP memory limit. Raise it to 256 MB in wp-config.php, your hosting panel or php.ini, then confirm the new limit is active.
- [Why Does My Phone Keep Losing Service? Causes and Fixes for iPhone and Android](https://errornest.com/fix-phone-keeps-losing-service/): A phone that keeps losing service has a coverage, network or phone problem. Work out which first, then toggle airplane mode, reseat the SIM, change the network mode and reset network settings.
- [TV Apps Not Working: How to Fix Apps That Will Not Open or Keep Crashing](https://errornest.com/fix-tv-apps-not-working/): TV apps that will not open or keep crashing are usually a software glitch, an old app or full storage. Restart the TV, update the app and software, free up storage, then reinstall.
- [How to Fix a Printer Showing Offline on Windows](https://errornest.com/fix-printer-offline-windows/): A printer shown as Offline in Windows is usually a connection problem, a stuck print queue or the Use Printer Offline setting. Check these in order.
- [How to Fix a PS5 That Won't Connect to Wi-Fi](https://errornest.com/fix-ps5-wont-connect-to-wifi/): A PS5 that will not connect to Wi-Fi is usually fixed by restarting the network gear, running the connection test and changing DNS. Start with the test to find which step fails.
- [How to Fix a TV That Says No Signal (HDMI, Cable Box or Antenna)](https://errornest.com/fix-tv-says-no-signal-hdmi/): A TV that says No signal is usually on the wrong input, has a loose cable, or is not receiving a broadcast signal. Fix HDMI, cable box and antenna problems step by step.
- [How to Fix an Android Phone That Is Not Charging or Charges Slowly](https://errornest.com/fix-android-phone-not-charging/): An Android phone that will not charge is usually the cable, adapter or a dirty port. Test these first, then check battery settings, safe mode and the hardware.
- [How to Fix iPhone Storage Full (Not Enough Storage)](https://errornest.com/fix-iphone-storage-full-not-enough-storage/): iPhone storage full? Check what uses the space, offload unused apps, clear large message attachments, optimise photos and empty Recently Deleted, safest steps first.
- [How to Fix the Node.js Error: Cannot Find Module](https://errornest.com/fix-nodejs-cannot-find-module/): The Cannot find module error means Node could not locate a package or file. Check whether the name is a package or a path, then install dependencies or fix the path.
- [How to Fix npm EACCES Permission Denied Errors](https://errornest.com/fix-npm-eacces-permission-denied/): The npm EACCES error means npm cannot write to a folder you do not own. Avoid sudo and use a version manager or a user-owned global folder instead.
- [How to Fix ERR_TOO_MANY_REDIRECTS](https://errornest.com/fix-err-too-many-redirects/): ERR_TOO_MANY_REDIRECTS means a site is redirecting in a loop. Visitors should clear the site cookies, and site owners should check HTTPS, site address and CDN settings.
- [How to Fix ERR_NAME_NOT_RESOLVED in Chrome](https://errornest.com/fix-err-name-not-resolved-chrome/): ERR_NAME_NOT_RESOLVED means your device could not look up the website address. Check for typos, flush DNS, restart the router and try a different DNS server.
- [Windows 11 Wi-Fi Connected but No Internet After Sleep: 8 Fixes](https://errornest.com/windows-11-wifi-no-internet-after-sleep/): If Windows 11 reconnects to Wi-Fi after sleep but websites will not load, isolate the router from the laptop, then check the adapter, DNS and power settings.
- [Windows 11 Printer Says Offline but Is Connected to Wi-Fi: 9 Fixes](https://errornest.com/windows-11-printer-offline-but-connected-to-wifi/): If your Windows 11 printer says Offline even though it is connected to Wi-Fi, check the print queue, network, printer port and Print Spooler in this order.
- [How to Fix Can't Connect to This Network on Windows 11](https://errornest.com/fix-cant-connect-to-this-network-windows-11/): Windows 11 says Can't connect to this network? Test another device, forget and rejoin the network, reset the network stack and check router security settings.
- [How to Fix the Windows 11 Taskbar Not Showing or Not Working](https://errornest.com/fix-windows-11-taskbar-not-showing-or-working/): A missing or frozen Windows 11 taskbar is usually a stuck Explorer process or an auto-hide setting. Restart Explorer first, then work through the other fixes.
- [How to Fix the PHP Allowed Memory Size Exhausted Error](https://errornest.com/fix-php-allowed-memory-size-exhausted/): The PHP allowed memory size error means a script needed more memory than PHP allows. Raise the limit safely, then find what is using too much.
- [How to Fix the WordPress Critical Error Message](https://errornest.com/fix-wordpress-critical-error/): The WordPress critical error is usually a plugin or theme problem. Use the recovery email, read the debug log, then deactivate plugins and themes to find the cause.
- [How to Fix Smart TV Apps That Buffer or Will Not Load](https://errornest.com/fix-smart-tv-apps-buffering-or-not-loading/): Smart TV apps that buffer or will not load are usually a network or restart problem. Find out whether one app or every app is affected, then work through these fixes.
- [How to Fix a Steam Game That Won't Launch on Windows](https://errornest.com/fix-steam-game-wont-launch-windows/): A Steam game that will not launch is usually damaged files, an old graphics driver or a missing component. Start with verifying game files, then work through the rest.
- [How to Fix Programs That Crash or Won't Open on Windows](https://errornest.com/fix-programs-crashing-or-not-opening-windows/): When a Windows program crashes or will not open, find the evidence first with Reliability Monitor, then apply the matching fix instead of guessing.
- [How to Fix Wi-Fi That Keeps Disconnecting](https://errornest.com/fix-wifi-keeps-disconnecting/): Wi-Fi that keeps dropping can come from the device, the router or your provider. Find out which one first, then work through these fixes from least to most disruptive.
- [How to Fix an iPhone Stuck on the Apple Logo](https://errornest.com/fix-iphone-stuck-on-apple-logo/): An iPhone stuck on the Apple logo can usually be fixed without losing data. Force restart it first, then update through a computer in recovery mode.
- [How to Fix Android Connected to Wi-Fi but No Internet](https://errornest.com/fix-android-wifi-connected-no-internet/): Android shows Wi-Fi connected but nothing loads? First decide whether the network or the phone is at fault, then work through these fixes.
- [How to Fix No Sound on Windows 11](https://errornest.com/fix-no-sound-windows-11/): No sound on Windows 11 is usually a wrong output device, a muted app or a stopped audio service. Check these in order before touching drivers.
- [How to Fix Windows Update Stuck on Checking for Updates](https://errornest.com/fix-windows-update-stuck-checking-for-updates/): Windows Update stuck on Checking for updates usually means a stalled service or a damaged update cache. These fixes run from safest to most involved, for Windows 10 and Windows 11.
- [How to Fix npm ERESOLVE Unable to Resolve Dependency Tree](https://errornest.com/fix-npm-eresolve-unable-to-resolve-dependency-tree/): Fix npm ERESOLVE by finding conflicting peer dependencies, choosing compatible versions, and treating legacy-peer-deps as a temporary workaround.
- [How to Fix ERR_CONNECTION_RESET in Chrome (Windows 10 and 11)](https://errornest.com/fix-err-connection-reset-chrome-windows/): Chrome shows ERR_CONNECTION_RESET? Diagnose browser, VPN, Windows network, router, and website causes with safe fixes in order.

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- [About ErrorNest](https://errornest.com/about/): ErrorNest publishes clear, practical troubleshooting guides for Windows, printers, Wi-Fi, internet connectivity and smartphone signal issues.
- [Mobile Signal Troubleshooting](https://errornest.com/mobile-signal/): Practical checks for no service, weak signal, mobile data failures, SIM detection and smartphone hotspot issues.
- [Wi-Fi Troubleshooting](https://errornest.com/wifi-internet/): Step-by-step help for slow Wi-Fi, dropped connections, router issues and the connected-without-internet message.
- [Printer Troubleshooting](https://errornest.com/printer-fixes/): Troubleshoot offline printers, stuck print queues, connection failures and driver issues for home and office printers.
- [Windows Troubleshooting](https://errornest.com/windows-troubleshooting/): A practical starting point for Windows 10 and Windows 11 issues, from failed updates and slow performance to drivers, audio and Bluetooth.
- [Windows Troubleshooting, Printer & Wi-Fi Fixes](https://errornest.com/): Clear answers. Practical fixes.


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