Computer Power Supply Upgrade Services in London – PSU Replacement & Installation

Common Reasons for Power Supply Upgrades

• Power surges or PSU failure causing no-boot or black screen
• Installing a high-end GPU that requires more wattage
• System crashing under load or during gaming sessions
• Outdated PSU with no PCIe 6/8-pin connectors
• Replacing noisy, overheating or non-efficient power supplies

Service Includes

• System power draw assessment and PSU wattage calculation
• PSU selection (modular, semi-modular, or non-modular)
• Professional removal of old unit and cable re-routing
• Installation of the new PSU with clean cable management
• System boot and power stability testing

Pricing & Warranty

Power supply upgrades start from £145 including the supply and installation of a standard 550W 80+ Bronze PSU. Pricing varies depending on wattage and certification (Gold, Platinum). A £54 diagnostic fee applies if you'd like a full PSU load evaluation. All upgrades come with a 3-month service warranty.