Signs Your Power Supply Is Failing — Replace It Now

You’re deep into a ranked match… final circle… and then, darkness. Your PC just died. No warning, no error message. After the initial rage subsides, you blame Eskom, your game, or even a Windows update. But the real culprit might be the silent, humming box in your case: your power supply unit (PSU). Ignoring the warning signs your power supply is failing can be a costly mistake, turning your prized rig into a very expensive paperweight.

GAMDIAS 750W Gold Gaming PC PSU, 80 Plus ATX Gold 12V Power Supply for PC Computers with Active PFC, Helios P2-750G / HELIOS-P2-750G

R1999.00In Stock

ANTEC NeoECO - NE1000G M ATX3.0 - 1000W Full Modular PSU - 80 Plus Gold Certified - PCIE 5.0 Support - PhaseWave Design - Japanese Caps - Zero RPM Manager - Silent 120mm Fan — Black / 0-761345-11393-9

R3299.00In Stock

Deepcool PN1000-M Power Supply / 1000 watt / 80 Plus Gold / ATX 3.1 / Fully Modular / Embossed Cables / PCIe 5.1 Standard / PN1000-M

R2199.00In Stock

Gamdias HELIOS P2-1000G 1000W Power Supply - Enhanced Thermals, Acoustics, & Durability - 80 PLUS Gold Certified Efficiency - Atx 3.0 & Pcie Gen 5.0 Ready - Full DC-DC, LLC Resonant Circuit / HELIOS-P2-1000G

R1799.00In Stock

Antec CSK 1000W PRO Power Supply - Semi-Modular - 120mm Whisper-Quiet Cooling Fan - 80 PLUS Bronze - ATX 3.1 & PCIe 5.1 Compatible / 0-761345-20073-8

R3299.00In Stock

Gamdias HELIOS E1-750 Power Supply - 750W / 80 PLUS Certified / Flat Black Cable / Compatible with ATX12V v2.53 / HELIOSE1-750

R799.00In Stock

The Silent Saboteur: Common Signs Your Power Supply is Failing

A PSU rarely dies in a single, dramatic spark. More often, it’s a slow decline, causing stability issues that are easy to misdiagnose. If your PC has started acting strangely, it’s time to investigate whether you have a failing power supply. These are the most common symptoms our technicians at the Evetech Build Lab see every week.

Random Shutdowns & Restarts

This is the number one sign. If your PC shuts down or reboots without warning, especially when you’re gaming or rendering a video, your PSU is likely struggling. When your GPU and CPU demand more power, a weak PSU can’t keep up with the load, triggering a protective shutdown. It’s not crashing… it’s crying for help.

The Dreaded Blue Screen of Death (BSOD)

While BSODs can be caused by anything from dodgy drivers to faulty RAM, unstable power is a frequent, hidden cause. A failing PSU delivers inconsistent voltage to your sensitive components like the motherboard and memory. This "dirty power" can cause data corruption and system errors that manifest as the infamous blue screen.

Unexplained Freezing & Stuttering

Is your mouse pointer suddenly freezing? Does your game stutter even with a low ping and high FPS? Before you blame your graphics card, consider the power source. A PSU on its last legs can cause system-wide instability, leading to hangs and freezes that ruin your workflow and your K/D ratio.

Deepcool PF750 750W 80 Plus Standard Power Supply - Silent Hydraulic Bearing Fan - Flat Black Cables - Reliable Protection - Reduces Friction and Vibration / PF750D-HA

R1299.00In Stock

Gamdias Helios M1-850B 850W Power Supply / Meet 80 PLUS Bronze Efficiency / Support C6/C7 power states / HELIOSM1-850B

R999.00In Stock

Cooler Master Elite NEX N700 700W 230V Power Supply / 75% efficiency / Excellent temperature resistance / MPW-7001-ACBN-BEU

R1199.00In Stock

XIGMATEK Titan Power Supply - 1200W / 80 PLUS Platinum / DC to DC Convertor Design / Full Modular Cable / PCI-E 5.0 / Complete Protection / EN47626

R3399.00In Stock

High Performance 1600W High Performance Mining Power Supply Japanese Grade A Capacitors / 6 Months Warranty Only

R2499.00In Stock

Corsair RMe Series™ RM1000e ATX Power Supply - White (WW) / 1000watts / Fully Modular / ATX 3.1 Certified / 80 Plus Gold Certified / Low Noise / CP-9020294-WW

R4299.00In Stock

Physical Warnings: What to Look, Listen, and Smell For 👃

Sometimes, a dying PSU gives you more direct clues. Your senses are powerful diagnostic tools, so don’t ignore them.

A distinct smell of burning plastic or ozone around your PC is a major red flag. Shut down your computer immediately and unplug it. This often indicates a capacitor has failed or a component is overheating dangerously. Similarly, listen for new noises. A healthy PSU fan is quiet, but a failing one might start grinding, whining, or clicking loudly. If you're looking for a replacement that runs cool and quiet, a modern unit like the DeepCool PF750 750W 80 Plus Power Supply is a fantastic, budget-friendly choice.

Why You Shouldn't Ignore a Failing Power Supply

Thinking of pushing your luck and using that dodgy PSU for a few more weeks? Please don't. A failing power supply is a ticking time bomb. When it finally gives up, it can send a massive power surge through your system, frying your expensive motherboard, your brand-new graphics card, and even your CPU.

Spending a bit on a quality PSU now is the best insurance policy you can buy for your multi-thousand Rand components. Investing in a unit from a trusted brand gives you peace of mind. We always recommend browsing a reliable selection like our Corsair power supply units, which are known for their long warranties and solid performance.

Choosing Your New Powerhouse 🚀

Replacing your PSU is a straightforward upgrade that secures the health of your entire PC. When choosing a new one, consider three things: wattage (enough to power your current and future parts), efficiency rating (80 Plus Gold is the sweet spot for most), and modularity (which helps with clean cable management). For a high-end beast of a machine running a top-tier GPU, you'll need serious, stable power like that from an Antec CSK 1000 PRO Semi-Modular Power Supply to ensure you never hit a power bottleneck.

Corsair RMe Series RM1000e Power Supply (WW) / 1000watts / Fully Modular / ATX 3.1 Certified / 80 Plus Gold Certified / Low Noise / CP-9020297-WW

R4199.00In Stock

DEEPCOOL PN850M, 80 PLUS Gold Fully Modular 850W ATX Power Supply / 120mm FDB Fan / HIGH QUALITY BUILD / PCI-E 5.1 Power / PN850-M

R1899.00In Stock

Gamdias KRATOS E1-600 RGB 600W Power Supply / Meet 80% Efficiency / 30 built-in lighting effects / Addressable RGB / KRATOS-E1-600

R949.00In Stock

Corsair HX1500i Fully Modular 1500W Platinum ATX Power Supply / Dual 12V-2x6 cables / 80 PLUS Platinum / Intel® ATX 3.1 certified, PCIe 5.1 compatible / Compatible with next-gen GPUs / CP-9020309-WW

R6799.00In Stock

XIGMATEK Titan Power Supply - 1200W / 80 PLUS Platinum / DC to DC Convertor Design / Full Modular Cable / PCI-E 5.0 / Complete Protection / EN47626

R3399.00In Stock

Gamdias Helios E1-600 600W Power Supply / Meet 80 % Efficiency / Support C6 / C7 Power State / Helios E1-600

R849.00In Stock