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Computer Repair Technician
What is Computer Repair?
Computer repair is the process of identifying, troubleshooting and resolving problems and issues in a faulty computer. Computer repair is a broad field encompassing many tools, techniques and procedures used to repair computer hardware, software or network/Internet problems.

Computer repair is also known as PC repair.

Computer repair services


Can all computers be repaired?
No.

What type of computer do you have?
Make sure you keep the computerís system information separate before any computer repair is required.

What do you have to do to get a computerís system information?
This is applicable to Windows operating systems.
Start, All programs, Accessories, System Tools, System Information. Not all computers can be repaired.
If a computer is quite old enough, it may not be repairable.

What are most common computer and computer network faults/problems?
The computer does not start.
The computer starts but does not connect to the Internet.
E-mail is not going through the Internet connection normal.
No sound in Windows
Running slow
If other, please describe.


What best describes your problem?

Computers, computer networks, fault detection, and repair.

Who can utilize these guidelines?
Computer Repair Technician
A computer network engineer.
A computer support specialist.
An Internet service provider.
Students.
Others.

What do you have to do?

If you plan to be involved in computer fault detection and repair, these questions and answers should be on your computer monitor in front of you to fix the issue.
It is not possible to memorize these guidelines and then fix the problem. Experience will make fixing issues easier and there are a few guidelines you can memorize.

Questions you need to ask.

What seems to be the problem with the computer?
What did you do up to now to fix the fault?
Are all wires and cables of the computer properly plugged in?
Did you restart the computer?
Are you able to launch a browser after restarting the computer?
What type or types of computer browser do you have?
Did you try to install or delete any program?
What type of computer do you have: desktop, laptop, or some other type?
What type of operating system do you have on computer?
Do you have your computer operating system software on a CD-ROM to reinstall the computer operating system?
Did you try start, programs, accessories, system tools, system restore, or restore my computer to an earlier time?
Does the fault persist?
If yes, here are further guidelines.

What do you have to do?

Verify that all wires and cables of the computer are plugged in properly.
Restart the computer.

Does the computer start normally?
Does the computer display operating system icons on the monitor properly?
What icons are you seeing on the computer monitor?

Start
My Computer
My Documents

How do you fix computer faults/problems?
Who is your Internet service provider?
Did the computer connect to the Internet before?
When did you normally connect to the Internet before from this computer?
What type of Internet connection do you have?

High speed Internet (two-wire router)

Is it a computer hardware, software, or networking issue?
What needs to be done to fix this issue?
Was your computer connected to the Internet previously?
When was your computer with connection to the Internet running normally?
What is the location, mailing address of computer/computers that have fault/problems?
How many computers are at this location?
How many computers are having faults/problems at this location?
What department in the state has the duty to provide this service?
What will happen if this type of service does not exist from the state?

Everyday activities can be disrupted due to disruption of this service.

What seems to be the fault with the computer?
What types of faults/problems can a computer or computer network have?

Hardware fault.
Software fault.
Networking fault.

Here is a case scenario.
A desktop computer was connected to the Internet through high speed DSL on September 13, 2013, at 5042 N. Winthrop Ave #237, Chicago, Illinois. At 7 am that day, the computer suddenly did not get connected to the Internet.

How will you fix this fault/problem?
Where is the fault/problem?
What questions should you ask in this situation?


Was the computer with Internet connection working normally before this date and time at this location?
Yes.

Questions that a computer engineer needs to answer:

What type of fault/problem does the computer or computer network have?

Hardware fault.

When did you conclude it was a computer hardware network fault?

The computer starts normally.
You are able to launch the browser.
You are able to use a Word document.
You are not able to connect to the Internet.
This means that the computer software and computer hardware are working normally, but there are network issues.

The Internet service provider verified that there is no problem with its service.
Conclusion: There is a computer network card issue(or network software issue).

The computer control panel displayed icons normally.

Internet service provider

The Internet service provider site did tests and verified normal signals.

Where is the exact fault/problem?

Computer hardware

On Start, the control panel, system, hardware, device manager, and 13 hardware devices were displayed in alphabetical order.
The network card icon was not displayed.
Thus, the computer network card has a fault.

Normal display mode

On Start, the control panel, system, hardware, device manager, and 15 hardware devices were displayed in alphabetical order.

1. Computer 2. Disk drives 3. Display adapters 4. DVD/CD-ROM drive 5. Floppy disk controllers 6. IDE ATA/ATAPI controllers 7. Keyboards 8. Mice and other pointing devices 9. Monitors 10. Network adapters 11. Ports (Com & LPT) 12. Processors 13. Sound, video and game controllers 14. System devices 15. Universal Serial Bus controllers

Questions you need to answer.

What does the Internet browser display after entering domain: www.editorworld.com in address bar or Internet browser?
Unable to connect to the Internet (chrome browser) Internet Explorer cannot display the web page.

There are various methods to fix this issue/fault/problem.
Start/programs/accessories/system tools/system restore/restore my computer to earlier time.

If this does not fix the problem, that means there is no fault with computer software.
The problem is either a hardware or networking issue.

Start/run/cmd/ipconfig
If no connection pathway is displayed, there is a networking problem.

Start/run/cmd/ping

Call Internet service provider.
If the provider give clearance of no fault from its side, this is a computer hardware problem.

Go to Start/control panel/switch to category view/system/system properties click hardware/device manager.
More than 13 components of the computer should be displayed.
If the network component is not displayed, then the network card hardware has a problem.

Did you verify that the computer is not behind a firewall?
How did you verify that the computer is not behind a firewall?

How should various states circulate computer operating systems?


All states must circulate an operating system under general public license through the state department of engineering.
Microsoft must be asked to circulate software under general public license through the state department of engineering.
If there is noncompliance, recommend other operating systems like Linux or other operating systems through general public license.

What software is on the computer?
Start/All programs.

What hardware is on the computer?
Start/control panel/system/hardware.

Add Hardware

Start/control panel/Add Hardware
Computer faults/problems

You should mention computer faults/problems. Do not mention computer diagnostics.
Diagnostics is applicable to living things, including human beings.

What are the causes of e-mail not going through? Verify that the recipientís e-mail address is correct.
The computer network may have been blocked.

What could be the causes that a computer does not start?
Power cables or computer to monitor wires may have been unplugged.
There may be a computer operating system problem.

How do you fix this problem?
Reinstall the computer operating system in case there is a fault with the operating system.

What could be the causes that the computer starts but does not connect to the Internet?

Software issues (computer operating system issues, computer browser problem).

Hardware issues (or Network adapters fault/Reinstall operating system)

Computer network fault

Internet service providerís fault (one of the network wires may have been unplugged).

You may not always get support to fix computer faults within 24 hours.

You should always have computer operating system software ready to reinstall in case of a fault with software.

You should always have a backup computer ready in case of a hardware fault.

Answers to questions you need to keep ready.

When were you last able to browse the Internet?

Router

What type of router do you have?

Are the lights on the router on?

How many lights are on the router?

What is the color of the lights?

Are all leads connected to the router?

Do all leads connected to router have connections at other end?

How many leads are connected to the router?

In a 2 wire router there should be 4 wires connected to router: electrical, telephone, lead to computer, and lead to TV (this is for Internet jadoo TV).

Software

What type of computer and operating system do you have?

What type of browser do you have?

Did you download, delete, or upload any software?


If you type in globe.bz, what is displayed?

Go to start, run, cmd, and type in ipconfig.
What display do you get?
Connection
IP Address
Subnet Mask
Default Gateway

Go to start, run, cmd, and type in
tracert qureshiuniversity.com
What is displayed?
Tracing route to qureshiuniversity.com.
You will get at least 13 displays.

or

1. Open the command window by clicking START, then RUN. Type CMD, and hit Enter or click OK.
2. Type tracert 67.23.226.149
3. Hit "Enter."

IP Address

Please provide us your network IP using http://whatismyip.com, also provide us the tracert result from same machine.

If you were previously able to browse the Internet with the same computer and do not get Internet connection, follow these guidelines.

What is the date and time you were last able to browse the Internet from this location?

Go to start, programs, accessories, system tools, system restore.
Click on the time the Internet was working for you.

Troubleshooting e-mail

You sent an e-mail and recipient didn't receive it.

You sent an e-mail and you got a message like this: Mail delivery failed: returning message to sender.

Have you typed in the correct e-mail address? If yes, then follow these guidelines.
In this scenario, you need to verify the server that e-mail could go through.
Compare the same with the tracert report.
Computer support specialists

Many computer support specialists help people with problems over the phone.

What Computer Support Specialists Do

Computer support specialists provide help and advice to people and organizations using computer software or equipment. Some, called technical support specialists, support information technology (IT) employees within their organization. Others, called help-desk technicians, assist non-IT users who are having computer problems.

Work Environment

Computer support specialists work in many different ________, including ___, education, ______, health care, and telecommunication.

Hardware repair
Software repair

Computer Manufacturers

Acer
ASUS
Apple
Compaq
Dell
eMachines
Fujitsu
Gateway
LenovoSony
Toshiba

Each repair includes:
A full diagnostic scan
Virus scan
Part installation
Wipe down of unit and screen

Basic computer troubleshooting
Common Windows errors and how to fix them
Basic software troubleshooting
Basic hardware troubleshooting

Here are further guidelines.
Operating systems
Software programs
Computer Networks Special Issues
Computer hardware