There aren't many more frustrating things than a slow computer.

Tired of waiting and just want a speedy new laptop?

Click to access all our independent expert laptop reviews. This includes web browsers, applications, drivers for devices such as printers and, most importantly, Windows itself, as Microsoft issues regular updates to plug security holes or fix glitches in the operating system.

How fast your computer starts up depends on several things, including the hardware you’re using and the version of Windows.

But the number of programs that are scheduled to start up when Windows can also have a significant effect.

If you find programs installed that you’ve never used, and have no intention of using, these could be bloatware that you can easily uninstall.

Follow the instructions above to remove them and, if you're not sure what to get rid of, speak to one of our experts at the Which? Extra web browser toolbars are a classic example of bloatware.Launch your antivirus software and make sure it's up to date.Then run a full scan of your hard disk and, if your package allows, set up regular scheduled scans.These may include trial versions of software that came with the computer when you bought it, out-of-date antivirus programs, old software or games that you no longer play.Despite the expectation of a digital clean slate, brand new PCs often come preloaded with all kinds of unnecessary programs known as 'bloatware'.You should expect to spend from £50 to £250, depending on the SSD’s capacity (usually ranging between 32GB and 512GB). Replacing your hard drive with a SSD requires taking the casing off your computer and fiddling with its power and data cables.