Key Microsystems: Smart Home Help

Key Microsystems helps you set up and troubleshoot your smart home. Fix a stuck device, repair a routine, or plan your next room with guided checks and free tools.

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  • Free to use
  • No account needed
  • Plain-English steps
Woman on a sofa using her phone while a robot vacuum cleans the rug
  • 21Step-by-step guides
  • 6Device types in KeyFix
  • 30Guided fix paths
  • 2Free planning calculators

What needs attention?

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Alexa and Echo

Lights, listening, and stuck requests 7 guides

Routines and automations

Alexa, Google Home, and HomeKit 3 guides

Cameras and CCTV

Laptop screens and remote viewing 5 guides

Plugs and appliances

Energy use, water leaks, and offline devices 6 guides

KeyFix guided troubleshooter

Take the next useful check.

Choose your device and what is going wrong. KeyFix guides you through one check at a time, with factory resets kept until the end.

  1. 1Choose a device
  2. 2Pick the symptom
  3. 3Follow the checks
Find My Next Step Watch walkthroughs and get the free checklist

Start with your device

Plan before you spend

All tools
Your device budget

Build a room-by-room estimate

Choose devices, edit quantities, and compare a low and high budget. Open Cost Estimator Your running costs

See what an upgrade could save

Compare lighting, thermostat, and standby changes using your energy rate. Open Energy Calculator

Before buying, check device and platform support. The Connectivity Standards Alliance explains how Matter works. When setting up connected gear, follow CISA's account and device security basics.

Start with a focused guide

Alexa

Understand Alexa light colors

Identify the pattern before changing settings. Routines

Fix an Alexa routine schedule

Check the trigger, time zone, and target devices. Cameras

Set up remote camera viewing

Choose a way to see your cameras away from home. Smart plugs

Check a smart plug's standby cost

Compare the plug's energy use with what it can save.

KeyFix for Business

Give your customers a guided fix

Turn your manual or top support ticket into step-by-step checks that run on your own help center.

See how it works