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Answers to your IT questions

Practical guides and straight answers from the CoreLink team.

August 19, 2026

The 3-2-1 backup rule — what does it mean and why does it matter?

The 3-2-1 rule means: 3 copies of your data, on 2 different types of storage, with 1 copy off-site — so no single failure leaves you without data.

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August 19, 2026

How often does a small business need backups?

Ideally daily and automatic — the right frequency matches how much data you're willing to lose if something goes wrong today.

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August 19, 2026

What is ransomware and how do I protect against it?

Ransomware is malicious software that locks your files and demands payment to restore them — the best protection is up-to-date backup that isn't accessible from the same computer.

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August 19, 2026

Is it worth buying used computers for the business?

It can be worth it for basic needs on a limited budget, but only from a reputable source with a warranty — otherwise the risk of failure can cancel out the savings.

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August 19, 2026

Laptop or desktop for a small office?

A laptop fits if you need flexibility/mobility; a desktop gives better performance for the same price if work always happens from the same office.

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August 19, 2026

What specs do I need in a computer for work?

For typical office work (email, browser, Office), 16GB RAM and an SSD cover you comfortably; for more demanding tasks (design, video) you need a stronger processor and more RAM.

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August 19, 2026

How fast can you connect remotely to a problem?

For customers with active coverage, connection usually happens within minutes of reporting the issue — far faster than waiting for an on-site visit.

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August 19, 2026

What problems can be fixed remotely, and what can’t?

Anything software-related (settings, installs, viruses, network) is usually fixed remotely; physical hardware problems (broken screen, keyboard) need an on-site visit.

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August 19, 2026

How does remote IT support work — is it safe?

A technician connects to your computer through encrypted software, only with your explicit approval for each session — you can end the connection whenever you want.

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August 19, 2026

Do I need antivirus on a Mac?

macOS has strong built-in protection, but it's not invulnerable — for business use handling sensitive data, an extra layer of protection is still a sensible choice.

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August 19, 2026

How do I free up storage space on my Mac?

macOS has a built-in tool ("About This Mac" → Storage → Manage) that shows exactly what's taking up space and suggests automatic cleanup — usually the first step before buying a new device.

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August 19, 2026

My MacBook battery drains fast — what’s wrong?

The most common causes are too many open browser tabs, background apps, or simply a battery that's naturally worn down after years of use — all checkable in your settings.

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