COMMON PROBLEMS WITH THE COMPUTER'S CPU

Common problems with the Computer’s CPU

The CPU (Central Processing Unit), found on the computer’s motherboard, serves as the main information processor in a computer. A CPU also known as microprocessor is made from a wafer of semiconducting material usually silicon with millions of electrical components on its surface. The CPU is the heart of the computer as it times, controls the rest of the system and also performs arithmetic and logic operations on data.

There are problems that can be faced with the CPU. These problems can be divided into various categories, which will be discussed in this blog.

1.       Hardware Problem

Assembly Error – This could be a factory error though there are always quality checks to ensure good quality of product. Error can come in during construction of part such as broken pins or connectors, even missing part. If you purchased the PC as new, then it will be under warranty for at least a year.

Loose or Damaged Component – Part may be loosed or damaged or even wear out. You can always check to see if your CPU is properly secured on the motherboard.

Device Manager – You can check for missing hardware driver using the device manager. The device manager will also report the origin of any hardware malfunction or problem.

To use Device Manager, open Control Panel – System – Device Manager.

CPU Overheating – This can cause a problem in operating. If you modified your computer to operate at a higher processing speed than the original setting by overclocking, your PC is prone to overheating. This can be solved by installing an external fan for your desktop PC or a higher powered heat sink. For a laptop, you will need an external cooling fan. You can also monitor the temperature of your PC using available software.

2.       Software Problem

Driver’s Update – If your computer begins to crash, you may need to update or replace some of your device drivers. You can also use Windows Update to make necessary corrections for some unknown device drivers.

Booting up Problem – At system start up, the POST (Power On Self-Test) displays any hardware malfunctions.

Slow Booting or Loading – There may be a problem with your operating system or hard drive space. Try to free up some space on your hard drive by removing unwanted temporary files, empty recycle bin, internet junks, photo thumbnails etc. You can as well defragment your hard drive to make PC function simultaneously.

Bad Audio Output – This is caused by one of the three problems; Your processor is beyond its capacity or insufficient memory space (RAM) or the audio is set to PIO (Programmed Input/Output) mode. If in PIO mode, change to DMA (Direct Memory Access).

Problem with New Software – Some new software may cause problems after installation due to incompatibility issues. You are advised to uninstall if that is the case as it might overload the CPU.

CPU Auditory Signs Problem – It is abnormal for your PC to make extraordinary sounds while operating. It might be overworking itself. If the CPU fan runs high speed constantly at normal room temperature, then the CPU is being overheated. Always use PC in a well ventilated area.

Perform a Virus Scan – Virus can pose high threat to your CPU. Make sure you have an antivirus installed and updated. Set to run regularly and automatically. Download an antivirus for free below.

Safe Mode Option – You can run your PC on safe mode to see if there is still a software malfunction of problem.

Damaged or Missing DLL Files – The DLL (Dynamic Link Library) contains tiny mini-programs that are, as their name indicates, stored in a "library" section outside the RAM (random access memory). They save memory space in your RAM, while they command the EXE (executable program) to execute specific functions. They perform their duty only when called to do so by your PC, such as functions in your Control Panel like defragmenting. If you have somehow a damaged or missing DLL file, the operation of your CPU will be disrupted. When you troubleshoot as mentioned above, you will receive a message and remedy for this predicament. It will instruct you how to download a replacement DLL file.

The Blue Screen of Death – When this suddenly appears on your monitor screen, it is a warning that your PC has a problem such as a DLL file missing or damaged, malfunctioned hardware, corrupted software, missing or damaged driver etc. The blue screen is to tell you identified problem and the code to fix it. Sometimes, all you need do is to restart when you see the blue screen.

3.       CPU Operating at Maximum Level

If your CPU is suddenly slow and/or crashing constantly, it may be running at maximum capacity. The CPU first gathers instructions for processing. The rate of processing these instructions is in megahertz (MHz) or gigahertz (GHz). Each rate of processing is measured in a standard called hertz (Hz) per second. One MHz is 10⁶, or a million cycles/second, and GHz is 10⁹, a billion cycles/ second. This is an overwhelming amount processed constantly each second that must be synchronized, or "clocked". Your CPU, understandably, has a limited number of cycles that can be handled each second. Once it hits the threshold of MHz or GHz, it becomes slow. Ideally, your PC normally operates at about 50 percent. If it hits the maximum, it will have problems.

What can cause the CPU to operate at a maximum level are as follows:

a.       Too many applications running simultaneously

b.       Malfunctioning driver

c.       Overheating

d.       Virus

e.       Insufficient RAM 

Your computer is a modern marvel, but many of us now take our computers for granted. It can be used for a wide array of tasks, and for many of us we need it as a valuable career tool. Thanks to computer pioneers and engineers, it is user-friendly. If suddenly the CPU has a problem, as the "brain" for your Laptop or PC, the entire operation is affected severely. Licensed computer repair technicians are highly skilled, and can certainly diagnose and repair (or replace) any problem. However, to save time and money, first follow the remedying steps above for various causes. Chances are that you can DIY (Do It Yourself), and have your computer up and running smoothly shortly.

Related CPU Problems

First of all, if not manufacturing problems and all of the correct guidelines for installation procedure have been followed by the manufacturer, then suffice to say CPU related problems are quite rare. The end results of CPU abnormality will fall under one or two categories:

a.       Random failures – This are irregular issues that could come up frequently.

b.      Catastrophic Failure – These failures are easy to identify since the computer doesn’t boot up.

How to solve catastrophic CPU Problems

Since the PC doesn’t boot up, it is very easy to suspect that there is something wrong the CPU and could be solved by doing any of the following:

Typically, the PC motherboard will produce a couple of beep sounds when it encounters any error. The user should jot down or count the frequency, as well as the number of beeps, and then compare what's on the list with those that are in the motherboard manual. This must be done to ascertain if there is really an issue in the CPU.

Random CPU Problems

The majority of CPU related problem symptoms are unpredictable and irregular in nature. This is why an excellent Problem Log is relevant when it comes to diagnosing the cause of the CPU problem. The computer user needs to follow the given guidelines, which can be found in irregular Problems section until he or she is able to ensure that the main problem is the CPU and not another computer part.

Among the most usual reasons for the misbehavior of the CPU are:

Power Problems – This can be a problem if the Power Supply Unit is not giving the CPU sufficient power or it has difficulty in maintaining a continuous power supply. This can be solved by changing the Power Supply Unit.

Heat Problems – This becomes a problem when the CPU is overheating or becoming too hot. It can be solved by blowing dust out of the CPU heat sink. If it continues to overheat, then install an extra fan to push air across the computer.

Motherboard Related Problems – This becomes a problem when a component such as transistors, capacitors, coils etc. on the motherboard is misbehaving or has been damaged. This can be solved by changing the affected component or replace motherboard completely.

Best way to care for the CPU

*       Detach connectors from the motherboard.

*       Carefully find a way to remove the CPU cooler. There might be screws and plate on the back of the motherboard; so, you will need to take the whole motherboard out of the desktop.

*       When the CPU cooler has been removed, clean the cooler thoroughly.

*       Blow the dust out of the cooler and the motherboard.

*       Replace the fans of the cooler with new ones of the same diameter. Make sure that they use the same power connectors to avoid installing a fan that will not be powered.

*       Clean the CPU with alcohol by using a tissue or napkin and let the CPU dry a bit.

*       Then, apply the thermal paste to the center of the CPU and distribute it evenly with a plastic card. The surface must be level and even.

*       Reattach the CPU cooler to the CPU and put the motherboard back. Reattach all connectors.

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Compiled by AdeDanCompTech 


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