Tick whatever sounds familiar and I'll show you the most likely reasons your computer or laptop is slow, and how each one is fixed. A slow computer is usually fixable, often cheaply.
Most slow computers are not broken, they just have one or two things holding them back. The biggest single fix for an older machine is swapping an old hard drive for an SSD, which can make it feel brand new. Want the full rundown? Read why is my laptop so slow.
Almost every slow computer gets blamed on age, and age is usually not the reason. A machine that was quick five years ago has the same processor it always had. What changed is everything piled on top of it: a drive that has filled up, a dozen programs that decided they should start with Windows, a browser carrying forty tabs and six extensions, and a hard drive that was the slowest part of the computer even when it was new.
So work down this list rather than reaching for the card. The first four cost nothing.
Registry cleaners and "PC optimiser" programs do not meaningfully speed up a modern computer, and a good number of them are the problem rather than the cure: they manufacture alarming numbers of "errors" to sell you a licence, and some are outright scams. If a program found 3,847 problems on your computer, it did not. The same goes for anything advertised in a pop-up.
Adding memory to a machine that is not short of memory does nothing either. If the drive is the bottleneck, more memory sits idle beside it. That is why the order above matters: you want to know what is actually slow before you buy a part for it.
Most slowness is harmless. Two patterns are not. If the machine freezes at random, makes clicking or grinding noises, or takes several attempts to start, that can be a hard drive beginning to fail, and the sensible move is to get your files off it now and diagnose afterwards. See signs your hard drive is failing.
The other is a machine that became slow suddenly rather than gradually, especially alongside pop-ups or a browser homepage you did not choose. Sudden change points at something that installed itself. The scam checker will help you work out what you are looking at.
More than anything else you can do to an older computer, and it is not close. On a machine with a traditional mechanical hard drive, the drive is the slowest component by a wide margin, and everything waits on it: starting up, opening programs, loading files. Swapping it for an SSD typically takes a two-minute start-up down to under twenty seconds. People regularly assume they have been given a different machine back.
It depends entirely on which of the causes above applies. Clearing space, trimming start-up programs and a proper clean-up cost nothing but time. An SSD upgrade including fitting and moving your files across is usually the biggest single item, and extra memory is generally cheaper. There is a full breakdown in the computer repair cost guide. Whatever it comes to, you get the price before any work starts.
Often not, and this is where people waste the most money. A five or six year old machine with an SSD and enough memory will handle browsing, email, documents and video perfectly well, at a fraction of the cost of replacing it. Replacing makes sense when something expensive has failed, when the machine cannot run the software you need, or when it is old enough that other parts are close behind. The repair or replace calculator weighs it up.
No, and some actively cause harm. Modern Windows does not slow down because of registry clutter, so cleaning it achieves nothing measurable. The category is full of programs that invent frightening error counts to sell a subscription, and a few that install other unwanted software alongside themselves. If one is already installed, removing it is usually a small improvement in itself.
Then it is almost certainly the browser or the connection rather than the computer. Too many tabs, too many extensions, or an ad-heavy site can bring a perfectly healthy machine to a crawl. Worth testing: if everything else on the computer is quick and only web pages drag, look at the browser first. If other devices in the house are slow too, it is the connection, and the Wi-Fi dead spot helper is the better tool.
It can, though it is a less common cause than people expect. Malware that mines cryptocurrency or runs ads in the background does show up as a machine that is inexplicably busy, hot and slow. The clearer signs are pop-ups, a changed browser homepage, toolbars you did not install, or the slowdown arriving suddenly rather than creeping in over years.
No, and it usually makes a struggling machine feel slightly worse. A new version of Windows is not a performance fix, and installing it on hardware that is already at its limit adds load rather than removing it. Sort the actual bottleneck first. If you are wondering whether the machine can take the upgrade at all, the Windows 11 checker covers that separately.
No. Nothing is scanned, measured or sent anywhere. It works purely from the boxes you tick, in your browser, and nothing is stored. It is the same shortlist of questions I would run through with you on the phone.
I fix slow computers and laptops for people and small businesses across Bolton and the surrounding areas. Free quote, no fix no fee, and you deal with me directly.