Desktop Computer Repairs

So your computer has problems?

Is your desktop computer slow? Crashing? Or having spyware & viruses? Or is Windows not starting at all? We can always help.

Desktop computers are usually easier and cheaper to fix comparing to laptops because replacement parts are widely available, more standardized and cheaper. It is always worth fixing your computers rather than buying a new one and going through the hassle of setting it up again. Also keep in mind that desktop computers are generally more reliable and faster than laptops.

Your desktop computer may still have lots of values. With just some changes, maintenance and optimization, we will get your computer to work at its best, just like new!

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  • Remove virus and spyware.
  • Fix blue screen of death errors.
  • Troubleshoot Windows not starting problems, i.e. unsuccessful start-up repair, missing or corrupted DLL files, NTLDR missing error, blue screen errors, black screen errors, cannot log in to user profile, forgotten windows log-in password, etc.
  • Repairs on computers not turning on.
  • Fix problems with computers running slow, unstable, crashes.
  • Repairs on problems with computer making noise, dust, over-heating issues.
  • Repair and replace damaged desktop computer parts.
  • Recover data from desktop computers.
  • Help to set up computers, printers, connect to the Internet and network, set up a secured wireless network, and firewall.
  • Troubleshoot network problems, wireless problems.
  • Upgrade desktop computers, system maintenance and optimisation, boost speed and performance and much more.

If your computer is not working as it should be, call us now to have our computer technicians diagnose the problem and provide you with a quote.

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Apple iMac desktop computer repairs

Desktop computers are generally easier to fix than laptops, but not always. This varies depending on make and model of the computer. Branded computers such as Dell, HP, Lenovo, Apple may have custom designed parts that are not widely available from local computer stores. These parts may need to be ordered in specifically to fix your computer.

We keep common parts in stock to facilitate repairs and reduce turn-around time. However it is not always guaranteed that we have the right part for your computer in stock.

Some computers are much harder to fix. For example, the Apple iMac 21.5″ or 27″ slim line model computer (introduced since 2012) are much harder to repair than a standard tower desktop computer. A Mac Pro tower is also very difficult to repairs due to the lack of spare parts available for it (they are just very expensive to keep them in stock), and the Mac Pro towers are also very difficult to take part (power supply unit, logic board etc).

Apple iMac 27-inch A1419 computer hard drive replacement

Content:

In this guide, we will demonstrate the process of replacing hard drive in an Apple iMac 27-inch model A1419 computer. This is slim line design Apple iMac that was first introduced in 2012.

It is very important to understand that this slim Apple iMac is not designed for inexperienced computer repairers to fix. The slim design of this Apple iMac means there is no screws used to secure the front screen to its alluminum frame. Instead, heavy double-sided tape was used to keep the screen and front glass secured to the frame. Removing this screen requires dedicated tools and experience and not suitable for inexperienced repairers. You will most likely break the screen if you have not fixed one of this unit before. This is a costly mistake and will require a full screen replacement, which is very expensive. This repairs will also require many tools that a normal computer user does not have access to.

Have your tools ready

First of all, before you even attempted this repairs, make sure that you have diagnosed the computer and confirmed that the hard drive is indeed the problem, and you have tools handy to complete the repairs. These tools are torx screwdrivers that are deisnged for Apple Mac computers, iMac opening wheel tool, really-strong double-sided tape to fix the screen to alluminum frame after repairs is completed, a formatted hard drive or solid state drive so you can reinstall Mac OS, bootable Mac OS installation USB drive, etc.

Let’s begin the repairs.

Pre-format your new hard drive

It is important to note that bootable Mac OS installation USB drive for Mac OS High Sierra or later version will not recognise a brand new unformatted hard drive (or solid state drive). You must pre-format the new hard drive so it will appear in Disk Utility when you attempt to install Mac OS later on.

For the Mac OS installation USB to recognise the new hard drive, you will first need to connect the new drive to another computer (preferrably another Apple Mac) via USB connection and pre-format it as Mac OS Extended (Journaled) file format system.

This simple step is important to ensure that you can complete the installation of Mac OS High Sierra (or later version) after you have fitted the new drive into the computer.

Removing the front glass screen

This is the most difficult step of this repairs. In older Apple iMac, you can remove the screen by removing the screws from the alluminum frame. Since 2012 Apple iMac models were introduced, this is no longer the case. You will need properly iMac opening wheel tools to cut through double-sided tape behind the screen to remove it. Any error you make here will be costly and result in damaging the screen and the screen will need to be replaced completely.

Use an iMac opening wheel tool, cut throught the double-sided tape all along the screen.

  

Next, insert a credit card into the gap between the screen and the frame no more than 9.5mm, slide it along the screen to cut off any remaining tape.

 

The gently lift up the screen once you are happy that there is no more tape underneath the screen. Using 2 cards is recommended.

Do not lift the screen up to high otherwise you will damage 2 cables connecting the screen to the logic board. Look underneath the screen and disconnect the 2 cables from logic board.

Now you will see internal parts of this Apple iMac. The repairs from here is much easier.

Replacing the hard drive

Remove 2 screws on left speakers so you can tilt the speakers to expose the hard drive’s left mounting bracket.

Remove the 2 screws on the bracket. You will then be able to remove and replace the hard drive easily.

Make sure you have pre-formatted the new drive using another Mac computer before installing it into the Apple iMac, otherwise you won’t be able to install Mac OS High Sierra or later version. You don’t want to get stuck at this step and cannot finish off the installation.

Correcting date and time prior to Mac OS installation

If you are installing Mac OS Sierra or later version, you should also check and correct date and time in the system by opening Utilities – Terminal in the installation screen and type in this command:

date [mm][dd]HH]MM[yy]

which is which is Month Date Hour Minute Year without any separation, for example:

date 0712122318

that would set the date time and to July 12 2018 at 12:23.

Without this date and time correction, you may get error half way through the Mac OS installation.

You will need strong double-sided tape to seal the screen to the frame. Follow this guide in reversed order to complete the repairs.