Home Product SupportIdentify a code
4,066 published error code and product troubleshooting guides

Error codes and product troubleshooting: the diagnosis that matches your exact product.

Choose the exact product, model, and error, and get the specific fix — safest step first, sourced from the manufacturer's own documentation.

Lowest-risk first Version matched Sources shown
Product matcher Saved this session

01 / 03

What are you looking at?

No account or serial number required.

Start where the problem lives

Find the shortest path to your error code or product fix.

The library holds 4,066 distinct answer, exact-code and named-product pages, including 565 current and installed-base product hubs.

TV & streaming228 distinct picture, HDMI, audio, tuner, remote, app, account, Wi-Fi and gaming-state diagnosesOpen path Phones & tablets504 distinct phone and tablet diagnoses across iPhone, iPad, Android, Galaxy and PixelOpen path Computers387 distinct computer diagnoses across Windows, Mac and Chromebook — drivers, storage, displays, docks and recoveryOpen path Printers & scanners138 distinct printer and scanner diagnoses covering feed, ink, toner, mobile-printing, color and maintenanceOpen path Home networking235 distinct WAN, LAN, radio, mesh, Ethernet, DNS, NAT, latency and security diagnosesOpen path Smart home479 distinct Matter, Thread, camera, lock, thermostat, routine, sensor and power diagnosesOpen path Audio, gaming & wearables436 distinct audio, console, controller, storage, charging, sensor and sync diagnosesOpen path Home appliances800 model, component and symptom diagnoses across washers, dryers, dishwashers, refrigerators, cooking and floor careOpen path HVAC & water heating12 reviewed symptom paths plus model labels, indicators and component boundariesOpen path Generators & outdoor power7 exact Generac alarm families plus outage, start, shutdown and transfer diagnosticsOpen path Components explained27 component records separating function, symptoms, evidence and repair difficultyOpen path Model & warning identification9 model-label guides and 5 indicator-pattern interpretersOpen path Exact error codes691 first-party code-group pages covering 5625 displayed codes and aliases, plus 9 independently reviewed exact-code records in the appliance catalogOpen path Setup & migration8 high-risk setup paths covering phone transfer, eSIM, printers, routers, TV audio and MatterOpen path Maintenance12 model-aware cleaning and preventive-care answers with chemical, water and electrical boundariesOpen path Is this normal?8 expected-behavior answers with a measurable line between normal operation and a faultOpen path Repair or replace9 repair-cost, parts, warranty, recall and replacement-decision answersOpen path Settings paths13 maintained paths across iOS, Android, Windows, macOS, TVs and routersOpen path Compatibility13 exact answers for HDMI, USB-C, Wi-Fi, Matter, AirPrint, AirPlay, Cast and BluetoothOpen path Service status5 official-source triage pages without stale mirrored outage claimsOpen path Interactive toolsFault-domain diagnosis and a transparent Wi-Fi band selectorOpen path

Browse the complete support directory by device and platform, or check the lifecycle log if a setting or feature moved after an update.

A better first question

Is it the service, the network, the device or the app?

Most troubleshooting wastes time because it starts with a fix before isolating the failure. Four quick checks prevent most unnecessary resets, and how to read an answer explains the order of each page.

Run the 60-second diagnosis
  1. 01
    Service

    Check the provider’s official status source.

  2. 02
    Network

    See whether another device can reach the internet.

  3. 03
    Device

    Test the connection and software state.

  4. 04
    App

    Isolate one account, app or stored session.

Recently reviewed paths

Direct answers, with the conditions attached.

01ROKU · WI-FI

Roku error 014.30: can’t connect to the internet

Password, signal, router and network-reset checks in the safest order.

Documentation verified02SAMSUNG TV · APPS

Samsung TV apps won’t open or keep loading

Cold boot, update, reinstall and Smart Hub reset—without starting at the destructive step.

Reset warning included03FIRE TV · WI-FI

Fire TV will not connect to Wi-Fi

Restart, credentials, network isolation and a targeted reconnect—without factory reset.

Amazon guidance linked04IPHONE · APPS

An iPhone app keeps closing or will not open

Close, restart and update before the data-loss boundary of deleting the app.

Data-loss warning included05WINDOWS 11 · WI-FI

Windows is connected to Wi-Fi but not working

Connection state, router isolation and adapter-safe fixes before Network reset.

Microsoft guidance linked06HP PRINTER · OFFLINE

HP printer is offline or unavailable

Separate a printer-panel fault, network problem and stale computer queue.

Hardware-first sequence

Your exact issue is the starting point

Stop guessing through generic fixes.

Match my device and issue