Connections without cables.
WHAT AFFECTS WIRELESS QUALITY
Distance Walls and obstructions Interference from other networks and equipment Number of connected devices
WHY THAT MATTERS IN SUPPORT
Most reports of slow internet are wireless problems.
HOW TO ESTABLISH THAT
Test the same thing on a cable.
WHAT ELSE TO CHECK
Signal strength where the user actually is Whether the problem affects all devices Whether it varies by time of day
WHY TIME OF DAY
Congestion, both on the wireless and on the connection.
WHAT MOBILE DATA ADDS
Coverage variation Metered usage Different performance by location and time
WHAT TO ADVISE USERS
To test on a different network, which separates the device from the connection.
WHAT TO CONFIGURE ON DEVICES
Automatic connection to open networks, disabled Updates and synchronisation restricted to wireless
WHY THAT SECOND POINT
It prevents unexpected data consumption.
WHAT TO CHECK FOR A DEVICE THAT CONNECTS BUT HAS NO ACCESS
Whether it obtained an address, and whether name resolution works.
