PC Desktop Computer Fan Repair

From $180

All prices mentioned here are advisory only and are not considered as quotes. The prices may change anytime without notice. We take no responsibility for incorrect pricing on our website.

Have a question? Call 1800 85 83 82 or Request an Estimate

Service Description

Is your desktop computer making loud noises, overheating, or shutting down during use? It might be due to a faulty or dusty fan. The fan is one of the most important parts of your PC’s cooling system — when it stops working properly, your computer can overheat and slow down, or even suffer long-term hardware damage.

Common signs of fan problems include loud whirring or grinding noises, rattling, clunky or vibrating sounds, high temperatures, or your system turning off by itself. Sometimes, the fan may stop spinning completely without warning.

At Safemode, we diagnose and repair desktop cooling fans to restore proper airflow and keep your system running cool and quiet. Whether the fan needs cleaning, oiling, or replacing, we’ll handle it professionally.

Pricing Breakdown

Note: for CPU, we can clean fans, heatsink, replace thermal paste. For GPU, we can clean its fans, but not replacing thermal paste. We do not clean other parts in desktop PCs.

Fan repair or replacement in PC desktops typically starts from $180+, but the final cost depends on how many fans your system uses and whether it includes high-performance cooling components. New thermal paste will also be applied whenever necessary.

Here’s how it breaks down:

  • $180–$220 → For standard desktop builds with single or dual case fans that are easy to access and replace. This includes common office or home PCs with basic airflow setups.
  • $220–$250+ → For larger towers with multiple fans, PWM-controlled fans, or systems requiring partial disassembly to access front or bottom fan mounts.
  • $250-$350+ → For gaming desktops, All-in-One (AIO) PC desktops, or high-performance systems using:

    • High-RPM fans or pressure-optimised fans

    • Fans integrated into liquid cooling radiators (AIO coolers)

    • Custom CPU/GPU cooling systems with blower-style or dual-fan setups

    • RGB or software-controlled fans that require special configuration or matching replacements

What affects the cost:

  • Number of fans and placement (top-mounted, front panel, PSU shroud)
  • Whether fans are part of CPU coolers, GPUs, or AIO liquid cooling systems
  • Brand-specific fans that must match RGB or software control systems
  • AIO computers are more difficult and time consuming to disassemble thus more expensive to clean or replace their fans and thermal paste.
  • Extra time needed for dust cleaning, thermal paste replacement, or BIOS fan curve adjustments

➡ Gaming desktops or high-performance builds often use multiple or specialised fans that are more expensive (over $250) to replace — especially when integrated with other components.

Our Process

Initial Check – We power on the PC and listen for unusual fan noise. We check BIOS fan readings and monitor system temperatures.

Airflow & Temperature Test – We assess how much air is coming from each vent and check CPU/GPU temperatures under load to see if the cooling system is doing its job.

Disassembly – We open the case and inspect the fan or cooling assembly for dust, damage, and bearing wear. In custom builds, this may involve removing heatsinks or radiators.

Cleaning & Thermal Maintenance – We clean dust buildup and reapply thermal paste to the CPU or GPU if overheating is present.

Fan Repair or Replacement – If a fan is noisy or not spinning, we replace it with a compatible high-quality fan suited to your system (PWM, voltage-controlled, or fixed RPM).

Final Testing – We test fan speed, thermal performance, and noise levels under stress to confirm everything is running as it should.

The Technical Stuff

Desktop cooling systems come in different designs:

  • Case Fans vs CPU Fans – Case fans help airflow; CPU fans cool the processor directly.
  • PWM-Controlled Fans – Controlled by motherboard via temperature sensors for dynamic speed adjustment.
  • Fan Connectors – Most fans use 3-pin or 4-pin connectors; incorrect replacement can cause BIOS errors or overheating.
  • Custom Cooling – Some gaming PCs use liquid cooling or dual-fan setups; replacing these fans requires extra care.
  • Thermal Paste & Heatsinks – Replacing thermal paste is often just as important as cleaning fans for effective heat transfer.

We always make sure the fan type, size, and airflow direction are correct for your system’s layout.

Our Difference

Diagnosing fan issues isn’t always about noise — it’s also about airflow and cooling performance. We don’t just swap parts. We test airflow, temperature, and overall fan control to make sure your PC stays cool and stable under pressure.

Our technicians have repaired fans in thousands of desktops, from standard office machines to custom gaming rigs. We use quality replacement parts from trusted brands and handle every repair with care and attention to detail.

At Safemode, we give your desktop the cooling system it needs — clean, quiet, and built to last.

Using a small vacuum brush to clean dust from a desktop computer's fan and motherboard inside the system unit
Close-up view of a dusty desktop computer fan with visible dirt buildup on blades, highlighting the need for internal PC cleaning

Frequently Asked Questions

In-store repair appointment: We offer a Free Initial Inspection and a Free Quote. Book an appointment here.

The service cost varies depending on the problems and specific model of your computer. You can also find more information and price guides in Our Services.

Free quotes are not applicable for computers under third-party warranty or for insurance damage reports, a quoting fee applies in these instances.

The initial inspection takes less than 15 minutes. If it takes longer, we’ll let you know.

Our technician will check your computer details and spare part availablity to give you an estimated completion date. Backing up your data before bringing-in will help reduce the turnaround time.

For most common problems such as RAM, PSU, HDD or SSD replacement, we will complete the service on the same or next day if the computer is brought in in the morning and the part is in stock. However, this is never a guarantee. If the part is not in stock, we’ll need to order it from our suppliers. The delivery time is 1-2 business days for express deliveries, or 3-5 business days for standard deliveries.

For faster turnaround time, it’s recommended to bring in on regular business days, avoid weekends and public holidays.

Unexpected delays may occur. We strictly do not offer any guaranteed turnaround time such as same-day, or 24-hour, or any other deadline guarantee on turnaround time.

In most cases, Yes.

Files such as documents or pictures can often be saved. However, in the instance of hard drive failures, there is a higher risk of data loss.

It is highly recommended to keep regular backups of your data prior to services.

Yes. Appointments are recommended to ensure staff availability.

Find our store locations and contacts.

For Enmore location, if you come in without appointment, we’ll be happy to provide assistance within 20 minutes.

Yes. We’ve fixed many 15 year-old computers and we can fix yours too. Having said that, when a computer is too old, spare parts for it will become scarce in the market and takes longer to order.

Yes, just let us know. We’ll take pictures and record the necessary details of the part to order it then return the computer to you.

We accept Cash, EFTPOS, VISA, MasterCard, AMEX, Internet bank transfer and AfterPay. There is no surcharge on all card payments. Internet bank transfer must clear first before computers are returned unless we receive a valid remittance advice.

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