Performance
Windows laptop is painfully slow
Minutes to reach the desktop, freezes with a few apps open, disk pinned at 100%. Work through the causes in order of likelihood.
Read before you start
Back up anything you cannot lose before changing startup apps, drivers or drives.
This guide is for you if
- Takes minutes to start up
- Freezes when several apps are open
- Disk usage pinned at 100%
Step by step
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Check what is actually busy
Open Task Manager (Ctrl+Shift+Esc), sort by CPU and Disk, and watch for a minute. A disk sitting at 100% with no obvious culprit usually means a failing drive or a stuck service.
Note the process names — they tell a technician more than 'it's slow'.
Free up drive space
Clear Downloads, empty the Recycle Bin, and run Disk Cleanup including 'Clean up system files'. Windows needs roughly 15% of the drive free to work at normal speed.
Trim the startup apps
Task Manager → Startup apps: disable anything you do not need within a minute of logging in. Game launchers, updaters and chat apps are the usual offenders.
Disabling here does not uninstall — the app still opens when you launch it.
Turn off the extras
Pause OneDrive sync during work hours, disable browser extensions you do not recognise, and remove toolbars or 'PC optimiser' apps.
Check the drive's health
Run 'wmic diskdrive get status' in Command Prompt, or use the manufacturer's tool. 'Caution', reallocated sectors or SMART warnings mean replace the drive now, while it still reads.
An SSD upgrade is the single biggest speed gain available for an older laptop.
Look at memory and a clean install
If memory sits above 80% with your normal apps open, 8 GB is not enough any more. Otherwise a clean Windows install clears years of accumulated clutter.
A clean install means reinstalling your apps — plan an afternoon.