If you are looking for the best PC power supplies in Nairobi, Kenya, Lansotech Solutions is your go-to destination. We specialize in selling high-quality power supplies, ensuring your computer runs smoothly and efficiently. In this comprehensive guide, we will answer the most frequently asked questions about PC power supplies, helping you make informed decisions.
What Are the Three Types of Computer Power Supply?
- ATX Power Supply: The most common type used in modern desktop computers, providing stable power to all components. read more>>
- SFX Power Supply: A smaller variant of the ATX power supply, often used in compact or mini-ITX cases. read more>>
- TFX Power Supply: Designed for slim desktops, offering a lower profile while maintaining sufficient power output. read more>>
Is a PC Power Supply AC or DC?
A PC power supply converts AC (Alternating Current) from the wall outlet into DC (Direct Current) to power computer components. Different voltages are supplied to the motherboard, CPU, GPU, and other peripherals.
How Do You Fix a Computer Power Supply Problem?
- Check if the power cable is properly connected.
- Ensure the power switch is turned on.
- Inspect for loose or damaged wires.
- Use a power supply tester to verify functionality.
- If the PSU is faulty, replacement is often the best solution.
How Many Years Does a PC Power Supply Last?
A quality PSU lasts 5-10 years depending on usage, load, and maintenance. Power fluctuations and poor ventilation can reduce lifespan.

How to Clean a PSU?
- Turn off and unplug the power supply.
- Use compressed air to remove dust from the fan and vents.
- Clean external surfaces with a dry cloth.
- Avoid using liquids to prevent damage.

What Happens If a PC Power Supply Goes Bad?
A failing PSU can cause:
- Unexpected system shutdowns
- Failure to boot
- Overheating components
- Smoke or burning smells
- System instability
Is PC Power Supply Repairable?
While some PSU issues can be fixed, it is generally recommended to replace a faulty PSU rather than repair it due to safety concerns and complexity.
How to Know if PSU Is Failing?
- Frequent crashes or random reboots
- No power when pressing the power button
- Unusual noises like buzzing or clicking
- Burning smells
How to Diagnose a PC Not Turning On?
- Check the power cable and wall outlet.
- Test the power supply using another PC or a PSU tester.
- Inspect motherboard connections.
- Look for any blown capacitors or damage.
How to Tell if PSU Is Overheating?
- The fan is not spinning or making excessive noise.
- The PSU is too hot to touch.
- The computer shuts down unexpectedly.
- Unstable system performance under load.

Can You Test a PSU Without a Motherboard?
Yes, by using the paperclip test:
- Unplug the PSU.
- Connect a paperclip between the green wire and any black wire on the 24-pin connector.
- Plug in the PSU and switch it on—if the fan spins, the PSU may be functional.

How Do I Test My Computer Power Supply?
Use a multimeter or PSU tester to measure voltage output. A healthy PSU should supply +12V, +5V, and +3.3V.
Does Any Power Supply Fit Any Computer?
No, power supplies must be compatible with your case size, motherboard connector, and power requirements.
How Do I Check What Motherboard I Have?
You can check by:
- Opening the case and looking for a model number on the motherboard.
- Using software like CPU-Z to identify your motherboard details. read more>>
What Is the Voltage of a Computer Power Supply?
Most PC power supplies output:
- +12V for the CPU and GPU
- +5V for USB and storage devices
- +3.3V for RAM and motherboard components
How Do I Know If My Computer Has Enough Power Supply?
Check your power supply’s wattage rating and compare it to the total power consumption of your components. Using a PSU calculator online can help.
Where to Connect PSU Cables?
- 24-pin connector to the motherboard
- 8-pin CPU power connector to the motherboard
- PCIe cables to the GPU
- SATA/Molex connectors for drives and peripherals
- read more>>
How to Choose a Good Power Supply for PC?
- Look for 80 Plus certification for efficiency. read more>>
- Ensure it has sufficient wattage for your components.
- Consider modular or semi-modular designs for better cable management.
How Do I Check My PC Power Supply Draw?
Use a power meter to measure real-time power consumption or check component specifications for estimated usage.
Can a Power Supply Be Incompatible with a Motherboard?
Yes, older motherboards may use different power connectors or voltages that are not compatible with modern PSUs.
What Is the Lifespan of a PSU?
Most power supplies last 5-10 years but may fail sooner under extreme conditions.
How to Buy the Correct PSU?
- Determine your power needs based on components.
- Choose a trusted brand with high efficiency ratings.
- Ensure it has the necessary connectors for your build.

What Consumes Most Power in a PC?
- GPU (Graphics Card) read more>>
- CPU (Processor) read more>>
- Cooling systems and fans read more>>
- RGB lighting (if excessive) read more>>

How to Check if PSU Is Working?
- Perform the paperclip test read more>>
- Use a PSU tester read more>>
- Check for proper voltage output with a multimeter read more>>
What Does ATX Stand for in Computers?
ATX (Advanced Technology eXtended) is a standardized motherboard and PSU size for desktops. read more>>

How to Replace a PC Power Supply?
- Turn off and unplug your PC.
- Remove the side panel.
- Disconnect all PSU cables.
- Unscrew and remove the old PSU.
- Install the new PSU and reconnect cables.
- Test and power on your system.
Do I Need a Specific Power Supply for My PC?
Yes, ensure the PSU has the right wattage, connectors, and form factor for your PC build. read more>>
At Lansotech Solutions, we offer high-quality power supplies tailored for gaming PCs, workstations, and home computers in Nairobi, Kenya. Visit us today for expert advice and the best PSU deals!
Where to Buy Genuine PSU for your PC?

Why Buy From Lansotech Solutions Nairobi?
- Expert consultation on choosing the right PSU
- Stock of original, high-efficiency brands
- On-site installation and testing
- Best prices in Nairobi
- Full warranties and after-sales support
Let us help power your PC the smart and safe way.
Lansotech Solutions, Call/WhatsApp 0791-833-529 Start WhatsApp Chat>>
Located at Portal Place House, at the Muindi Mbingu/Banda Street Junction, 2nd Floor Shop 207
Website Click Here to Visit>>