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6 Common PC Problems and How to Fix Them

Having trouble with your PC? Don’t know where to begin or how to fix the problem? Don’t worry, you are not alone – that’s why we are here to help.

We have made a list of the common PC problems along with solutions to help you on your way; by learning to fix these problems it could help you save a lot of time and money in the long run.

However the team at Mirus IT are on hand if you find that you need on-site or virtual IT support on an ongoing basis, so get in touch if you would like further information on our services.

Cat on laptop

1) My computer won’t start

When a computer has difficulty starting up or suddenly decides to shut down, it could be due to power supply failure.


  • Make sure that the computer is plugged into the power supply point properly; if this does not work, test the power point with another device in order to establish if there is sufficient power.

2) My screen has frozen

This is also another common issue and is more problematic than a slow PC. In the majority of cases this is caused by viruses - from clicking a link to a fake website or from an email etc. The problem could also be caused by hardware from software updates including Windows update.


  • Check the link before clicking it – hover the cursor over the full link address, look out for any sign that the link may be suspicious.
  • NEVER give out credit card details or passwords to anyone online. A bank should not ask for personal information via email so be aware that there are many phishing tricks out there. Hackers are ultimately after nothing but your money.
  • Make sure that your antivirus and anti-spyware software is up to date. There are options available to automatically check for new updates which are advisable. If you know that your PC is spyware free; the issue could be down to outdated drivers. Outdated drivers can cause PCs to stop responding and freeze frequently – so be sure to check hardware drivers for updated versions.
  • If you are suspicious of whether the issue is hardware related, you can try to uninstall components that have recently been installed. You could also carry out a Windows restore enabling you to go back to a point when you were not having such complications.

3) My computer is slow

A slow computer is one of those frustrating problems that we all hate. Thankfully there are solutions, without you having to fork out on a new one. Adding RAM or upgrading the CPU can help speed your computer up however, it is not always necessary.

It is likely that your computer is cluttered and holds unnecessary software and files. Cleaning your registry can impact how fast your computer runs; the registry holds all information about your computer.

You can clean the hard disk of unwanted files – external hard drives are perfect as a storage solution for those files you want to keep. The speed and performance of your computer can also be considerably effected by having unnecessary programs running at the same time.


  • Make sure you have installed firewall, anti-virus and anti-spyware tools which you can automatically schedule as a reminder.
  • Clean your registry – there are various free and paid tools which can do this.
  • Keep track of the programs that you have running and once finished with them shut them down.

4) My computer is making strange noises

A noisy computer is generally for one of two reasons; either hardware malfunction or an overheated computer.


  • In case of hardware malfunction make sure you back up everything from your computer – just to be on the safe side.
  • The culprit of an overheated/noisy computer is the cooling fan; due to dust clogging up the fan and the areas around it, preventing the fan from spinning smoothly. A simple fix for this is cleaning the inside of your PC with the use of a compressed can of air through the vents.

5) I forgot to back up my data

Backing up data is still one of those things most people overlook, although we all know how important it is - but only regretting it when it's too late. Important documents, photos, music playlists stored on your hard drive can all be backed up.


  • Implement automatic backups to an external hard drive, server or cloud service.
  • Online back-up solutions have a higher advantage as they can be accessed from anywhere around the world and are not effected by natural disasters.

6) Pop ups keep appearing on my browser

Many do not realise when they have accepted a new toolbar or add-ons after downloading free programs. Some free downloads and other applications contain malicious code and hijack your browser; in effect changing all the settings. For example, your homepage may have changed and you are unable to change it back. Along with this, those annoying pop up messages appear on your screen constantly.


  • ALWAYS read the terms and conditions before downloading a new program and be careful to what you allow.
  • Go to the ‘tools’ option in your browser and click on extensions to remove those extensions you do not want (remove those that are unknown or suspicious).

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