How to Speed Up an Old or Slow Laptop: 12 Fixes That Actually Work

Before you spend money on a new laptop, know this: most slow machines are fixable, and the majority of fixes cost nothing. The trick is to diagnose before you tinker — find what's actually overloaded, clear the easy wins first, then decide whether a cheap hardware upgrade is worth it. We've ordered the 12 fixes below by real-world impact, with the exact menus and steps for Windows (and a note for Mac users at the end).

First, find the bottleneck

Press Ctrl + Shift + Esc to open Task Manager, then watch the Processes tab. The CPU, Memory, and Disk columns tell you instantly what's maxed out: a pegged disk usually means a failing hard drive or too much background activity, high memory means you're short on RAM, and a constantly high CPU points to a runaway app or malware. Knowing which one is the problem stops you wasting time on the wrong fix.

Free fixes — do these first

1. Disable startup programs

Dozens of apps quietly launch with Windows and sit in the background draining resources. In Task Manager, open the Startup apps tab, sort by Startup impact, and disable anything you don't need launching at boot — things like Spotify, game launchers, and updater tools. This is the single most effective free fix for slow boot times.

2. Uninstall bloatware and unused apps

Manufacturers and old installs leave behind software you never touch. Go to Settings → Apps → Installed apps, sort by size, and remove anything you don't recognize or use. Freeing that space and clearing those background processes lightens the load immediately.

3. Free up disk space

A drive that's nearly full slows to a crawl — aim to keep at least 15 to 20 percent free. Turn on Storage Sense (Settings → System → Storage) to automatically clear temporary files, empty the recycle bin, and clean up old downloads on a schedule.

4. Run a malware scan

Malware is a classic hidden cause of a sluggish laptop, quietly eating CPU and bandwidth. Open Windows Security, run a full scan, and remove anything flagged. If the machine has been slow and behaving oddly, do this early.

5. Set the power mode to Best Performance

Windows often defaults to a balanced or power-saving profile that throttles your hardware. In Settings → System → Power, set the power mode to Best Performance (keep the charger handy on a laptop, as it uses more battery). It's a one-click win on machines that were quietly being held back.

6. Reduce visual effects

Animations, shadows, and transparency look nice but cost resources older hardware can't spare. Search "Adjust the appearance and performance of Windows," then choose "Adjust for best performance" — or untick the heaviest effects individually. The interface looks plainer but responds noticeably faster.

7. Update Windows and your drivers

Outdated drivers — especially graphics and storage — are a common, overlooked cause of slowdowns and stutter. Run Windows Update to current, then grab the latest chipset and graphics drivers from your laptop maker's support site. Updates also patch security holes, so it's two wins in one.

8. Clean up your browser

For a lot of people the "slow laptop" is really a slow browser buried under tabs and extensions. Close tabs you're not using, remove extensions you've forgotten you installed, and clear the cache. Fewer extensions means less memory used and a smaller attack surface.

9. Check Fast Startup

Windows' Fast Startup saves part of the system state on shutdown so the next boot is quicker. Verify it's on under Control Panel → Power Options → Choose what the power buttons do → Turn on fast startup. One caveat: on a small number of machines it causes its own glitches, so if you see boot oddities after enabling it, turn it back off.

Hardware upgrades — the big wins

10. Install an SSD

If your laptop still runs a mechanical hard drive, swapping it for a solid-state drive is the most transformative upgrade you can make — full stop. SSDs have no moving parts, so boot times drop from minutes to seconds and apps launch almost instantly; many people describe the machine as feeling two to five times faster. For an aging laptop, it's the upgrade that genuinely buys it years.

11. Add more RAM

If Task Manager showed memory maxing out, more RAM is your fix — it's what lets you run more apps and browser tabs at once without grinding. Aim for 8GB as a floor and 16GB as the comfortable 2026 baseline. Check first whether your model's memory is upgradeable, as some thin laptops solder it to the board.

12. Clean the dust and fix overheating

A laptop choked with dust runs hot, and a hot laptop throttles its own speed to protect itself — so it gets slower the longer you use it. Every six to twelve months, blow out the vents and fans with compressed air. If yours runs hot under light load, this can restore performance you didn't know you'd lost.

When it's time to replace it instead

Be honest about the ceiling. If the bottleneck is an old, weak CPU — not the disk or RAM — no amount of tuning will transform it, since the processor can't be practically upgraded in a laptop. The same goes if memory and storage are soldered and the machine is already eight-plus years old. In those cases, the money is better spent on a replacement than on diminishing returns.

A note for Mac users

The same logic applies on macOS. Use Activity Monitor to find what's hogging CPU and memory, trim startup items under System Settings → General → Login Items, free up storage under System Settings → General → Storage, and keep macOS updated. On older Intel Macs an SSD and RAM upgrade can help where the hardware allows it; on Apple Silicon both are fixed, so software housekeeping is your main lever.