No lights, no fan, no responseAlmost always the power circuitry or the mainboard. The disk sitting behind it is usually sound.Bench job
Blue screens, or no boot device at allA disk on its way out, or a file system that has broken. Every restart adds to the bill.Bench job
Something has been spilt insideDisconnect it from the mains at once. Liquid tends to finish the machine while leaving the files alone.Move quickly
A tick, or a scraping sound insideThe mechanism is going. Each further minute under power costs you more sectors.Move quickly
Stuck in a repair or update loopNormally software trouble on healthy hardware. Either way the files come back.Bench job
Getting it to us: wrap it so nothing can shift, cover it for what it is worth, and post it tracked to the intake lab in Bristol. We cover the postage back. If you want an engineer to check the packing before the box is taped, ring first. It is spelled out on the
contact page.