Slow, crashed or virus-hit? Lark Assist delivers fast, reliable computer repair across the Perth metro area for homes and small businesses. Unlike franchise operations that send junior technicians, you get Sia — a Senior Systems Engineer with 25+ years of enterprise experience — at your door.

A laptop that will not turn on, a virus that has taken over your browser, Wi-Fi that drops out every five minutes. We have seen it all, and fixed it all.
Hourly rates make people nervous. So the most common jobs are priced flat — you know exactly what you are paying before we start.
Full system scan, removal of malware, adware and ransomware. Browser reset included.
Clean up junk files, optimise startup, update drivers and Windows. Makes old PCs feel new.
Set up your new PC or laptop, transfer files, install apps and configure email accounts.
Diagnose dropouts, slow speeds, dead zones and router issues. Whole-home Wi-Fi advice included.
Professional mesh Wi-Fi setup — we supply, configure and install eero for Perth homes.
We assess what can be rescued from a crashed or corrupted device, and the fee comes off the recovery.
For complex or open-ended issues — diagnosed and quoted before any work begins. No surprises.
Microsoft 365, network setup, cyber security and troubleshooting. Pay only for what you need.
An honest assessment upfront, always. No hidden charges, ever.

Search for computer repair in Perth and you will find no shortage of options. Here is the difference: you are getting Sia, personally.
Running slow, crashing or refusing to start? Sia comes directly to your home and fixes the problem on the spot. No drop-off, no waiting, no junior technicians.
Book a repair →Viruses, ransomware and malware can destroy your files within hours. You get a full system scan, complete removal of every threat and a browser reset in a single visit.
Remove my virus →Dead zones, dropouts and slow internet are frustrating and usually fixable. We diagnose your network and supply and install eero mesh Wi-Fi for whole-home coverage.
Fix my Wi-Fi →Losing irreplaceable photos and documents is devastating. We set up automated backups — and if the worst has already happened, we recover files from damaged devices.
Protect my data →Got a new laptop or PC? Sia sets it up properly — transferring files, installing apps and configuring email so everything works exactly the way you need it.
Set up my device →Reliable IT support without the MSP contract — Microsoft 365, network configuration, troubleshooting and cyber security. Pay only for what you need, when you need it.
Support my business →
Our mobile service covers every corner of the Perth metro area. Not sure if we cover your suburb? Just call — chances are we do.
Siamak was professional and friendly, very patient with my lack of knowledge. He analysed the problem quickly and fixed it expeditiously. Brilliant job — needless to say, I am chuffed with his service.
We respond to all enquiries within one hour and aim to book same-day or next-day appointments wherever possible.
Yes — we are fully cross-platform. Whether you are on Windows 11 or the latest macOS, we have got you covered.
We operate on a no fix, no fee basis for software repairs. An $80 diagnostic fee applies only if hardware replacement is recommended and declined.
Absolutely. Residential clients are very welcome — in fact, home visits are one of our most popular services.
Yes. Many issues can be resolved remotely without a visit, saving you time. We will let you know upfront which approach suits your situation best.
Yes — Sia personally assists with setting up and configuring email across Microsoft 365, Google Workspace and other providers so everything runs smoothly.
Call your local Perth IT expert for a fast, lasting fix. Honest advice, flat-fee pricing and a senior engineer at your door — usually the same day.
Or fill in the contact form and we will get back to you within the hour.