How to Troubleshoot, Fix and Repair a Computer for Free?

Computers are machines made of electronic parts that run with a combination of both software and hardware. If you do not take proper care of your system and do not provide timely service, it may fail to operate. As a result, you may face data loss and other critical errors. If you do not want to get into trouble, you will have to maintain your machine regularly (yourself or with the help of a computer technician, either). What if I say that even a non-technical person can fix and repair a computer for free at home?

Well, computer repair does not always require the help of an expensive PC repair technician. Most of the time, some basic PC tune-ups can fix major issues.

In fact, with the help of the System Restore feature and some self-maintenance tips and tweaks, you can repair your PC at home for free.

You can diagnose yourself and fix both; Desktop or laptop. The following are some of the best computer repair tips for a non-technical person.

Useful PC Troubleshooting Tips for Repair a Computer at Home

Note: Be sure to back up the files before following any of the steps below. Some features can erase data files.

While troubleshooting and repairing a machine, you need to follow the troubleshooting steps wisely. It may be a disaster for you if you don’t follow the right steps.

How to Fix Windows Errors on PC?

If you continue to receive an error message, there are no specific issues to indicate. There can be many reasons such as missing DLL files, corrupted registry keys, temporary Internet files, broken applications, corrupted software, and even PC infection.

Many times, these errors are caused by malware and viruses. If your workstation is infected with any PC virus, you can see Windows errors and unusual activities.

Most virus infections are easy to identify because they are specifically created to access your files and folders and to transfer your personal information to hackers. Sometimes, viruses create shortcuts in drives, hijack Internet browsers, hack computer passwords, automatically create folders, and some adware viruses show fake ads, nudity pop-ups, and ad banners, etc.

There can be some other reasons too for those errors like Windows files, corrupted registry keys, temporary internet files, broken applications, and corrupted software files due to an application that was not installed properly.

Solutions to Fix PC Errors and Virus Infections

First, install a genuine and effective antivirus program. Do a full virus scan. If there is a virus problem, it will definitely fix those errors by removing the infection.

Find out about such errors in Google and Microsoft answer. Thousands of threads are available on these platforms for such technical solutions.

How to Fix Software Applications Errors?

Is your PC not responding or freezing suddenly? You also may see errors when running Windows programs.

There can be many possible reasons for application errors such as Windows update failure, virus infection, the software does not meet hardware requirements, and corrupted software while applying updates.

Solutions to Fix Software Errors in Windows

Try to troubleshoot the problem by finding solutions on tech communities – Microsoft Answer and Yahoo Answer. There could be another possible reason for software issues such as using pirated software and cracked applications.

Still no luck? Use System Restore

Whether it is a virus problem or a Windows/software related problem, the System Restore feature works well most of the time.

  1. Go to the Start menu and type “System Restore” in the search bar.
  2. Click on the Next button and choose an earlier state before the time when your computer first started exhibiting problems.
  3. Press “Next” to repair your computer at no cost.

Computer Hardware Repair and Maintenance Tips

For computer hardware problems, I would not suggest you try to fix it yourself. If you are not sure, never touch any internal components and parts as it can cause short circuits and other serious events.

Solution for Hardware Failure Cases

If you feel that some of the hardware on your computer is not working properly, leave it, and seek help from your local computer repair technician. Only an expert can fix hardware-related issues.

If you still think that you can check and fix the hardware component, then my friend why you needed to get information on this topic.

Don’t mind but only an IT specialist with a certified degree in card-level and chip-level repair can repair computer hardware.

Essential Computer Maintenance Tips and Checklists

We all know that prevention is better than cure. Therefore, to maintain your system, you should optimize your machine once in 3 months.

Here are some additional PC service tips, you can check them out as well.

Tip 1: Protect your PC from cyber threats

The internet world has full of threats like spyware, trojans, viruses, worms, boot sector viruses, browser hijackers, ransomware etc.

They can steal your personal information and affect PC performance.

For a virus-free system, always get the latest Windows updates, software updates, and use a good antivirus program.

Tip 2: Do disk defragmentation regularly

This is the process of reducing defragmentation on the computer. Whenever you install an application, it stores a number of app files in the computer’s hard drive that do not completely remove even when you uninstall the software from your machine.

Defragmentation reduces the amount of fragmentation that increases computer speed and helps your system to function properly.

  1. Go to My PC or My Computer.
  2. Right-click on the C drive (Windows OS drive) and click on Properties.
  3. Click on the Tools tab, under the “Optimize and defragment drive”, click “Optimize”.

Tip 3: Remove unused software and temporary files

Launch Control Panel and go to the Open Program and Features.

Check all installed software one by one and immediately remove any that are unknown or not in use (if you are 100% sure).

Now press Win + R to launch Run. Type %temp% in the Run box and click OK. These are all temporary internet files, just delete them.

Temporary files and unnecessary applications take up space in your hard drive and slow down the PC.

Further, you can also use CCleaner tool to clean and speed up your system. It is the most popular computer utility app to speed up and optimize your system.

Tip 4: Always update hardware drivers, software and operating systems

It does not matter whether you use a Windows computer or an Apple machine, you should always keep the operating system and other software updated all times.

The latest security updates bring bug fixes and protect your computer from vulnerabilities that could be exploited by hackers and viruses. Always install the latest security patches for the security hole.


If you ever need assistance to repair a computer, do Google, and ask Microsoft community. The tips shared in this post to repair a computer will be helpful for people with little technical knowledge. Hope our PC services tips for beginners will be proven helpful in repairing a computer machine at home.

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