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Before you replace a slow laptop, check whether a £79 upgrade can put years back into it. The four hardware tweaks that genuinely make a difference.
A laptop that boots in 2 minutes, takes 30 seconds to open Chrome, and sounds like a hair dryer when you have more than five tabs open isn't necessarily ready for the bin. About 70% of "this laptop is too slow" cases we see in our Birmingham lab can be transformed by a single targeted hardware upgrade for less than £100.
Here are the four that genuinely move the needle, in roughly the order they make the biggest difference.
If your laptop is 5+ years old, there's a real chance it still has a mechanical hard drive. A spinning disk that reads data at a fraction of the speed of modern flash storage. Swapping it for a solid-state drive (SSD) is, by a long way, the upgrade that makes the most difference. Boot times go from 90+ seconds to under 15. Apps open instantly. The laptop feels brand new.
Who needs it: anyone with a laptop where Windows takes more than a minute to boot, or where you can hear the drive grinding when you open large files.
What it costs at our lab: SSD upgrades on most laptops are around £79 fitted. That includes a fresh Windows install if you want one, or a clone of your existing drive so nothing changes.
Caveats: newer ultrabooks (anything bought in the last 4 years) almost certainly already have SSDs. Check Task Manager, Performance, Disk. If it shows "SSD", then this isn't your bottleneck.
Get a quote for an SSD upgrade →
If your laptop has 4 GB or 8 GB of RAM, that's the next bottleneck after storage. Modern Chrome alone happily eats 4 GB. Add Teams, Slack, a couple of work apps, and you're swapping to disk constantly. That's slow even on an SSD.
Who needs it: anyone running with 4 GB of RAM full stop, and anyone with 8 GB doing heavier work (lots of tabs, photo editing, 3D, dev work).
What it costs at our lab: depending on the laptop, from £35 fitted. Some laptops have soldered RAM (no upgrade possible, common on ultrabooks). Others have one or two slots. We tell you what's possible before you commit.
How to check what you've got: Task Manager, Performance, Memory. The total at the top right is what you have. If it's regularly hitting 80%+ during normal use, more RAM helps a lot.
A degraded laptop battery doesn't just mean shorter runtime. Many laptops will throttle CPU performance when running on a worn battery to prevent shutdowns under load. So a "slow" laptop can sometimes be a battery problem.
Symptoms:
What it costs at our lab: MacBook battery replacements from £129. Windows laptop batteries from £79 depending on model. Laptop services come with a 6-month warranty as standard.
After 3 to 5 years of pulling dust through fans, most laptops have a thick mat of compacted dust trapped at the heatsink. The fan still spins, but air can't flow, so the CPU and GPU sit at near-maximum temperature constantly. The laptop responds by throttling itself, running slower to stay under thermal limits.
Symptoms:
The fix: full thermal service. Open the laptop, remove the heatsink, clean the dust mat out of the fans and fins, replace the thermal paste, reassemble. The result is often a 10 to 15°C drop in operating temperature and a substantial performance recovery as throttling lifts.
What it costs at our lab: typically from £49 depending on laptop complexity. Worth doing every 2 to 3 years on any laptop you use heavily.
People come in convinced of these. Most of the time they're wrong.
Slow laptops have a small number of common causes. Our free 15-minute diagnostic (walk-in at our Birmingham lab) gets you a straight answer about which upgrade, if any, actually fixes your situation. We've talked plenty of customers out of upgrades when their laptop was secretly fine and just needed a startup cleanup. We've also told plenty that it's time to retire it.
Customer last month: 2018 HP laptop, original 8 GB RAM, mechanical hard drive, dust-clogged heatsink. Was about to bin it and buy a new £700 ultrabook.
Total: £183, and the laptop is now faster than it was new. He's still using it.
That's not always the answer, but it often is.
Will the upgrade void my warranty? If your laptop is still under manufacturer warranty (typically 1 to 2 years from purchase), opening it can affect that. We don't recommend upgrading laptops still under warranty unless the cost-benefit clearly favours it. After warranty: open season.
Can you transfer my files when you do the SSD upgrade? Yes. We clone your existing drive across as standard, so nothing changes from your perspective except speed. Or if you'd prefer a fresh Windows install, we can do that and migrate your user files.
Do you upgrade MacBooks? Modern MacBooks (Retina and onwards, including all Apple Silicon) have soldered storage and RAM. No traditional upgrade path. We do batteries, screens, keyboards, trackpads, and board-level work. See our MacBook page.
My laptop is 10 years old. Is it worth upgrading? Probably not. Hardware tech has moved enough that even a fully upgraded 10-year-old laptop will struggle with modern web apps. Stick to about 7 years max as a rule of thumb.
How long do upgrades take? SSD swap with data clone: same day, usually 2 to 3 hours. RAM: under an hour. Thermal service: 2 hours. Battery: same day.
Slow laptop driving you mad? Walk in for a free diagnostic, or get a quote for the upgrade you've already decided on.
We're a Birmingham-based phone & laptop repair lab. Same-day fixes, lifetime craftsmanship warranty.