lots of computer repairs experience in Sydney
20+ Years In Business
no surcharges for our computer repairs Sydney service
No Same Day Surcharges
speedy computer repairs Sydney solutions, often the same day
Rapid Response Times
computer technician Sydney help
Tailored Tech Solutions
we have a 30 day service guarantee for our Sydney computer repairs
Guaranteed Satisfaction
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Every Job: Planting Seeds, Uplifting Lives:
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If your PC won’t power on, we’ll figure out why. But we don’t stop there — our repair team handles everything from faulty components to full hardware recovery.

Visit Our PC Repair Hub
A technician resetting BIOS settings on a desktop computer, the BIOS screen displayed on the monitor, meticulous attention to detail. Warm, ambient lighting, modern and tidy workspace.

Common Reasons Your Computer Won't Turn On:

Power Supply Problems

Symptom: No power indicators, no lights, no fans rotating.
Solution: Our Nimble Nerds technicians will inspect your power supply to make sure it is operating correctly.
This inspection includes the I/O switch on the power supply and, if needed, testing with a spare power cord. But don't worry, our Nimble Nerds team can replace the power supply if its broken.
Power Supply Problems

Power Button Issues

Symptom: Nothing happens when the power button is pressed.
Solution: One reason for this may be that the power button is improperly attached. To see if it is connected, our Nimble Nerds specialists will check the power switch and the motherboard's power switch header pins.
Power Button Doesn't Work

Loose Connections

Symptom: Intermittent power or no power.
Solution: Loose CPU power cables or disconnected internal components can prevent startup. We will ensure all components are securely connected correctly and properly seated.
Computer Troubleshooting

BIOS Settings

Symptom: Computer starts but doesn’t boot properly.
Solution: Incorrect BIOS settings can prevent your computer from booting. We can reset these startup settings to default and update the BIOS if needed.
BIOS Settings

Hardware Failures

Symptom: No boot or error messages
Solution: When your computer faces critical hardware issues such as malfunctioning graphics card, RAM not seated properly or motherboard manual, it may not boot properly. That is why, our specialists will diagnose and replace any hardware that is broken.
Hardware Repair

Checking Power Cables

Symptom: No power despite everything else appearing normal.
Solution: Ensure the power cable is properly plugged into a functioning wall outlet or surge protector. We’ll also check if the power strip, same cable, or surge protector is defective by testing it with a different power source.
Is Your Computer Plugged In Properly

Some Of Our Customer Compliments:

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Susan Baker profile picture
Susan Baker
16 December 2022
Trustindex star 1Trustindex star 2Trustindex star 3Trustindex star 4Trustindex star 5
Great service Once again Rob delivered on service. A week before Christmas I didn't think I had a chance of a service call but Rob had one of his trusty "Nimble Nerds" come to me for a same day service. Chris was personable and competent and solved our computer problem .. which was not really a computer problem but operator error. However, Chris did resolve some other issues while he was here and it was no problem for him. Fortunately I don't have the need to call on Nimble Nerds too often but when I do I know the issue will be resolved. Great service Rob - thanks. Susan Baker
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Ann Davies profile picture
Ann Davies
7 July 2023
Google star 1Google star 2Google star 3Google star 4Google star 5
Great business 10/10 excellent customer service ❤️
Posted on Google Google
James Budd profile picture
James Budd
9 June 2022
Google star 1Google star 2Google star 3Google star 4Google star 5
Amazing service great value and timely 👍👌
Posted on Google Google
Eugenia Soto profile picture
Eugenia Soto
6 October 2023
Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent service....understanding and thorough!....thank you Fergus
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Jenny Peet profile picture
Jenny Peet
15 June 2022
Google star 1Google star 2Google star 3Google star 4Google star 5
Great professional service and advice. So happy with the results Thank you so much ☺️
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Aakansha Bhargava profile picture
Aakansha Bhargava
15 December 2022
Google star 1Google star 2Google star 3Google star 4Google star 5
Posted on Google Google
Christian Harada (ADARAH) profile picture
Christian Harada (ADARAH)
24 March 2024
Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent customer service, would highly recommend to anyone with any IT issues. Found them to be very helpful
Posted on Google Google
Jen Miall profile picture
Jen Miall
20 August 2022
Google star 1Google star 2Google star 3Google star 4Google star 5
Arrived within 24 hours of my SOS call, fixed the issue.. Reasonable rates.. Highly recommend
Posted on Google Google
Joey MCGEORGE profile picture
Joey MCGEORGE
15 June 2022
Google star 1Google star 2Google star 3Google star 4Google star 5
Such a great service! Rob is very knowledgeable, but he knows how to explain things really well to tech-illiterate people 😅. He is not only an amazing tech-head, he is also super lovely (which is so needed when someone is coming into your home or place of work). Thanks for always sorting my tech needs, whether in person, or remotely 🙏💜

Get In Touch

On-Site Computer Repairs Sydney Wide Services

  • Canterbury-Bankstown
  • Eastern Suburbs
  • Hawkesbury
  • Hills District
  • Inner West
  • Liverpool
  • Lower North Shore
  • Macarthur
  • Northern Beaches
  • Northern Suburbs
  • Parramatta
  • St George
  • Sutherland Shire
  • Upper North Shore
  • Sydney CBD
  • Western Sydney

Please Call To Book A Sydney Computer Repairs Sydney Technician

Lvl 17/9 Castlereagh St, Sydney, 
NSW 2000, Australia

(+61) 02 8091 0815
info@nimblenerds.com.au

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Computer Repairs Sydney Frequently Asked Questions:

We start with a thorough diagnosis, checking the power supply and monitor cable, unplug USB devices, BIOS settings, and hardware components to identify the root cause and fix it promptly.

This could be due to software issues or incorrect BIOS settings. We can help reset your settings and guide you through the Windows Recovery Environment.

It might be an onboard power button issue, a faulty power supply, or loose internal components. We’ll diagnose and resolve the problem.

Booting in safe mode or using the automatic repair screen in the Windows Recovery Environment can help and check the computer’s user manual. If these steps don’t work, our technicians can assist further.

This might indicate a problem with the operating system or an internal hardware issue. We can perform a double check and provide the necessary fixes.

Resolve your tech troubles today—call now and connect with a top technician within 30 minutes!