Troubleshooting

An overheating PC may become noisy, slow down, crash or shut itself off. Learn how to identify the cause, improve cooling safely and recognise when prof...

Work through the safest checks when a newly built computer has no power, starts without a display, repeatedly restarts or cannot reach Windows.

Fitness trackers can misread heart rate, steps, distance, calories and sleep because of poor fit, movement, incorrect settings, cold skin, tattoos or we...

Fix Bluetooth headphones that keep cutting out by checking distance, interference, streaming, multipoint, sound-quality settings, software and hardware.

Find out why your car battery keeps going flat, how to narrow down the cause safely, which checks you can do yourself and when the charging system needs...

A vacuum cleaner usually loses suction because its airflow is restricted by a full bin or bag, clogged filter, hidden blockage or tangled brush roll. Wo...

Work through the most common causes of a slow laptop, including startup apps, full storage, overheating, malware, insufficient memory and ageing hardware.

Struggling with weak or missing Wi-Fi in parts of your home? Follow these practical steps to diagnose dead zones, improve router placement and decide wh...

Dark spots or cloudy patches on a television can indicate ordinary screen uniformity, pressure damage, backlight trouble or OLED image retention. Here i...