Pc hardware repair pdf

Here are a few tips to prepare your computer before scheduling it for repair. Select a Respected Computer Repair Company. Not all computer repair companies are created equal. Backup Your Data. Keep Your Software Keys. Make Your Device Easy to Access.

Keep Detailed Notes. Look for a tool that harbors all the repair and utility features you may need now or in the future to fix your PC. Four general types of maintenance philosophies can be identified, namely corrective, preventive, risk-based and condition-based maintenance. Organize cords. Update your operating system. Unplug to avoid overcharging. Purge your system of junk files and programs. Run regular antivirus scans. Clean the keyboard and case. Update your passwords. The steps are: identify the problem, establish a theory of probable cause, test the theory, establish a plan including any effects of the plan , implement the plan, verify full system functionality, and—as a final step—document everything.

The troubleshooting process steps are as follows: Identify the problem. Establish a theory of probable cause. Test the theory to determine the cause. Establish a plan of action to resolve the problem and implement the solution. Verify full system functionality and, if applicable, implement preventive measures. You can easily diagnose software issue by pressing and holding F8 when the computer is starting. This allows you to log into the computer in safe mode. Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system.

It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

Here are the five things you need to consider before taking your computer in for repair. Be selective with whom you entrust your device. Make sure you have a data backup. Remove any personal data before repair, or make sure it is encrypted. Keep your software keys. Make it as easy as possible to access your device. Obviously the answer is big NO. It is always better to send your laptop or PC to a trusted and certified repair center.

A bad intentioned repair person can install spying tools or install malware software and can even find out your private information. Image credit: Ashampoo Glary Utilities: Best free repair software. Image credit: Glary System Ninja: Best for clearing junk files. WinZip System Tools: Easiest to use. Continue holding the Shift key, then click Restart. Game Port. Serial Port.

A Program is a sequence of instruc ons wri]en to solve a par cular problem. Opera ng System, Compilers, Interpreter, Assemblers etc. Allow a computer to perform tasks that are not part of the opera ng system, but are s ll prac cal and useful. Both of them must work together to make a computer produce a useful output.

Software cannot be utilized without supporting hardware. Hardware without set of programs to operate upon cannot be utilized and is useless. To get a particular job done on the computer, relevant software should be loaded into the hardware.

A device driver is a program that controls a par cular type of device that is a]ached to your computer. When you buy an opera ng system, many device drivers are built into the product. Hardware is a one-time expense. Different software applications can be loaded on a hardware to run different jobs. A software acts as an interface between the user and the hardware. If Hardware is the 'heart' of a computer system, then Software is its 'soul'. Both are complimentary to each other. Or the screen blank?

These faults are probably also due to hardware problems. This is a code that can be used to dis nguish some hardware problems. These can be due to hardware or soTware problems. Take careful note of all informa on given in the error code. These error codes are probably due to soTware problems. If so, these are likely culprits. This could be a cause of soTware problems.

The Device Manager will list all of the hardware devices installed on a PC. Any device with a problem will have a warning symbol next to it, and double clicking on that device would give d e t a i l s a n d s u g g e s t e d remedies for the problem. Some possible. This op on will check the applica ons may fail outright if the Hard disk for errors. Some mes this is desirable, some mes not. Either way, this prac ce may slow your computer down to various degrees, and with the program running all the me, may slow down the performance of your computer.

Note: Please use cau on when uninstalling socware. These cyber-threats can cause huge dilemmas to your computer. Note: Modern computers have safeguards that shut down the system if a component is overhea ng. The performance will be slow. This problem is most likely if the computer is rather old and has had a newer and more memory demanding opera ng system installed.

It will reduce the performance of the computer. Check to be sure if the computer is plugged in to an AC outlet properly. It ensures that all of the system's hardware is working properly before trying to load the opera ng system.

If the computer does not pass POST, it will not boot. Tip: Make sure the computer turns on. If nothing happens no lights, no sound, no fans, etc.

Check to see that all of the cards are fully pressed down into the bus connec ons, that any socketed chips are fully pressed into their sockets, and that all cable connec ons are fully a]ached. Make sure that the drive cables are a]ached correctly. Dust can cause overhea ng problems and electrical shorts. Some mes, insects will nest inside the case as well. All of this needs to be cleaned out before you close up the case.

Take precau ons to avoid inhaling excess dust, and consider using protec ve eyeware if necessary. Some mes the hard disk will become corrupted by a user, or by a virus. Look for recent changes in your system's opera on. You may need to run an uninstaller program to remedy socware-related problems.

The computer is unable to start up — If the computer does not turn on when you press the power bu]on, the following sugges ons may help you to determine why the computer will not start up.