Don’t buy the wrong memory
If your computer is suddenly running more slowly than before and its drop in performance can’t be explained by demanding software you’ve recently installed, it may be that your PC’s memory modules are faulty.
First, run a full scan with your antivirus software to rule out malware. If this throws up no problems, open the Start menu, type windows memory diagnostic and press Enter. Your PC will restart and test the health of your memory modules (you can follow its progress – see screenshot below).
Once it’s complete, Windows will load as normal and show a pop-up message with the test result. If this is anything other than ‘No memory errors were detected’, your memory almost certainly needs to be replaced. Alternatively, you may simply want to add more memory to improve your PC’s performance (we recommend a minimum of
