Computer Network Engineer
Computer network troubleshooting
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.