Slow Computer Problems
What actually causes a slow computer, and how to tell ordinary wear apart from a developing fault.
A computer that's gradually gotten slower over time is a different problem to one that's suddenly become sluggish or started freezing — the first is usually normal wear and a sign an upgrade would help, the second is more often a symptom of something actually going wrong, like a drive beginning to fail. Below is a detailed look at what typically causes a slow computer and what's worth checking before assuming new hardware is the answer.
Computer Running Extremely SlowlySlow startup, slow programs, general sluggishness. What genuinely causes a slow computer, and what's worth checking before assuming the worst.Computer Takes Forever to StartA long wait from power-on to a usable desktop. What typically causes slow startup specifically, and what helps.100% Disk Usage in WindowsTask Manager showing constant 100% disk usage, with the computer barely responding. Common causes and what to check.Computer Freezes RandomlyThe computer locks up and stops responding, sometimes needing a forced restart. What tends to cause it.Computer Slow After Windows UpdateRan fine before, sluggish immediately after an update. What tends to cause it and what's worth checking first.Do I Need More RAM or an SSD?How to tell which upgrade will actually fix a slow computer.Can an Old Computer Be Made Faster?Whether upgrading an older computer is worth it, and where the practical limits are.Should I Upgrade or Replace My Computer?When an upgrade genuinely solves the problem, and when it's a temporary fix on a computer nearing the end of its life.How Much RAM Do I Need?A practical starting point for how much memory is enough, depending on how you actually use your computer.Signs It's Time to Replace Your ComputerThe patterns that suggest a computer is nearing the end of its useful life, rather than just needing a fix.