Gaming PC Repair London

A gaming PC that is stable on the desktop and falls over in games is telling you something specific, and it is worth reading that signal properly before anyone spends money on parts. Games are the only thing most machines do that loads the graphics card, the processor and the power supply hard at the same time, which is why they surface faults that ordinary use never touches. The three usual culprits are heat, power delivery and memory, and they are cheap to tell apart: we watch the actual core and hotspot temperatures under load, check whether clocks are being pulled back as things get warm, and read the Windows event log for the reset signatures that point at a driver crash rather than a hardware fault.

Heat is the most common and the least expensive to fix. Dust in the intake filters and heatsink fins is the obvious version, but the one people miss is thermal paste that has dried or pumped out after three or four years, which lets a processor hit its limit within seconds of a game loading. A strip-down, clean and repaste often returns a machine to the frame rates it had when it was new. The power supply is the second suspect and the one most often misdiagnosed as a dying graphics card: a unit that was adequate when the PC was built can sag under the sharp transient loads a modern GPU pulls, and the symptom is an instant reboot with no blue screen and nothing in the logs. Unstable memory, particularly a machine running an XMP profile it was never really stable on, gives the third pattern — random crashes that move around rather than repeating in the same place.

We work on desktops in your home, which matters more for a tower than a laptop. A gaming PC is heavy, it is plugged into a monitor, peripherals and a specific network socket, and half the value of the diagnosis comes from testing it in the setup it actually fails in rather than on a bench somewhere else. Custom builds, water-cooled loops and pre-builts from Alienware, ASUS ROG, MSI and Razer are all familiar. Where a repair is not the sensible answer — an older platform where a new part would be held back by everything around it — we will tell you that, and say plainly what an upgrade would and would not buy you.