Is your laptop taking forever to boot up? Does opening Outlook feel like waiting for a bus in the rain? You aren’t alone. We receive dozens of calls every week about slow computers from Gungahlin to Tuggeranong.

In 2025, software demands are higher than ever. With Windows 11’s new features and heavier browser updates, computers that were fast three years ago are starting to struggle. Here are the most common culprits and how to tackle them.

1. The “Startup Overload” Trap

Every time you install a new app—Zoom, Spotify, Teams—it likely sets itself to launch automatically when you turn on your PC, hogging your memory before you even click a button.

2. Hidden Malware & Crypto-Miners

Modern viruses don’t just delete files; they run silently in the background, stealing your processing power to mine cryptocurrency or serve invisible ads. This is a common issue we see in local repairs, especially for users who download free software.

If your fans are spinning loudly even when you aren’t doing anything heavy, you might be infected. A simple antivirus scan often isn’t enough to catch advanced rootkits. You may need professional virus and malware removal.

3. The Silent Killer: Old Hard Drives (HDD)

If your computer was bought before 2020, it might still have a spinning mechanical Hard Disk Drive (HDD). In 2025, running modern operating systems on an HDD is practically impossible due to the high read/write speeds required by the OS.

When to Upgrade to an SSD

Replacing an old HDD with a Solid State Drive (SSD) is the single most effective hardware upgrade you can make. It can make a 5-year-old laptop feel faster than a brand new budget PC.

• Boot Time: Drops from 2 minutes to 15 seconds.
• App Loading: Instant vs. sluggish.
• Cost: Much cheaper than buying a new computer.

When to Call a Professional

Sometimes, DIY fixes aren’t enough. You should consider booking a professional hardware diagnostic if:

• You suspect a deep virus infection or ransomware.
• You need to clone your data to a new SSD without losing files.
• Your computer is overheating or making grinding noises.