How to Fix Your Computer or solve your windows or Mac based problems. Email error codes and solutions can be found here as well.

Welcome to the ScreenTeach Solutions Center. Here you will find a solution or tutorial or advice that you've been searching for in order to solve the issue you are facing now.

All the tutorials on this site are annually culled and edited from experts in their respective fields. Industry experts. The solutions you find on this site range from the beginner level right through to advanced system diagnostics and repair for experienced users and or developers. Mostly though you'll find a balanced, step-by-step approach to problem solving.

Time to find the answer to your problem. Start by scrolling down the page and if you don't see your issue listed there you can find it on any on of the resource navigation areas on the right side of this page. There are PDF troubleshooting guides that you can download and use. If you do not have a pdf reader such as Adobe Acrobat or Foxit Reader, you can still download any one of these guides as a Word file.

If all that fails no worries. You're still covered by what we call Direct Help. That's where you drop us a quick line detailing your problem. Please include as much information as you can that pertains directly to the problem you are having. Just click on the Direct Help link above if you can not find your answer.
We make a point of answering every single request AND we always answer quickly. Your problem will be examined and we'll search our database and send you the solution. We also have years of experience and qualified technicians who like to help out. We do this for free at all times.
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Once again I hope you find the answer to your problems before you're done your first cup of coffee.

How to Troubleshoot Your Home Network

This tutorial describes how to troubleshoot a Windows XP-based home network. Additionally, this tutorial describes how to determine a network structure (topology), how to use the Home and Small Office Networking Troubleshooter, and how to troubleshoot basic connectivity, and how to resolve file and printer sharing issues. This tutorial is intended for intermediate to advanced users. You may find it easier to follow the steps if you print this article first.


How to troubleshoot a home network issue

Note You may have to know the kind of network structure that you are using to complete these steps. If you are not sure, go to the "Home-network structures and their configurations" section.

To troubleshoot a home network issue, use the Windows XP Home and Small Office Networking Troubleshooter in Help and Support Center to try to isolate and resolve the issue. To do this, follow these steps:

1. Click Start, and then click Help and Support.
2. Under Pick a Help Topic, click Networking and the Web.
3. Under Networking and the Web, click Fixing networking or Web problems, and then click Home and Small Office Networking Troubleshooter.

4. Answer the questions in the troubleshooter to try to find a solution.

If the troubleshooter resolves the issue, you are finished.

If the troubleshooter does not resolve the issue, determine your home-network structure in the "Home-network structures and their configurations" section, and then follow the steps in the "Advanced Troubleshooting" section.

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Home-network structures and their configurations


Before you troubleshoot home networking issues, first determine the network structure you are using. The network structure is the arrangement or mapping of network elements such as links and nodes, and the physical connections between them. There are several common home-network structures:
Computers that are connected to a NAT device
The computers are connected to a NAT device that provides a single, shared Internet connection. A hardware network address translation (NAT) device is a broadband or satellite modem that enables the computers to obtain and share a single connection to the Internet. In this configuration, the computers generally receive an IP address from the NAT device. Typically, the NAT device uses the address 192.168.0.1 and assigns addresses to other computers in the range 192.168.0.x, where x is a number between 2 and 254.
Computers that are connected to a network hub
A network hub receives data through one port, and then makes it available to all ports. This enables data sharing or Internet connection between all computers that are connected to the hub. Computers that are connected to a network hub can have many configurations:

* The computers have no Internet connection.

In this configuration, the computers are generally assigned IP addresses in the range of 169.254.x.y, where x and y are numbers between 1 and 254.
* The computers are connected to a hub, where only one computer has Internet connection shared by using Internet Connection Sharing.

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This connection can be a dial-up connection or a broadband connection (typically xDSL or a cable modem). In this configuration, the computer that shares the connection generally assigns IP addresses to other computers on the home network. The computer that is sharing the connection will have IP address 192.168.0.1 configured for the adapter that is connected to the home network. Other computers on the network will have addresses in the range 192.168.0.x, where x is a number between 2 and 254.
* The computers are connected to the Internet through a broadband connection.

This configuration is also known as an edgeless network.
In this configuration, the computers on the home network each have an IP address that is provided by the Internet service provider (ISP). The addresses that are used vary, depending on the ISP.
* The computers each have a separate dial-up connection or broadband connection to the Internet.

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In this configuration, the computers generally use automatically assigned IP addresses for their home network adapters. Typically, the network adapters assign IP addresses in the range of 169.254.x.y, where x and y are numbers between 1 and 254. The computers use ISP-provided addresses for their Internet connections.
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How to Cut, Copy, and Paste in Windows XP

You can cut, copy, and paste in Windows XP to move items or copies of items to other locations within a file, or to a different file or application.
Using the cut, copy, and paste features allows you to organize the items within your files quicker and easier, and Windows XP makes cutting, copying, and pasting easy by giving you a few simple steps to get the job done.


1. Select the text or object you want to work with.

Do so by clicking and dragging across the text that you want to work with or by clicking an object to select it.

2 Copy or Cut the item.

If you want to copy the item so that it remains in its current location, choose Edit→Copy, which makes a copy of the item to place elsewhere. Or you can choose Edit→Cut to remove the selected item from its present location and place it elsewhere.


3.Choose Edit→Paste.

Move your cursor to the location (in the current document, another document, or another application) where you want to place the item; choosing Edit→Paste places the item at that location.

Most applications also offer toolbar buttons for Cut, Copy, and Paste, as well as keyboard shortcuts. The common keyboard shortcuts are: Cut, Ctrl+X; Copy, Ctrl+C; and Paste, Ctrl+V.

One slick feature of Microsoft applications is Paste Special. This displays a smart tag icon when you paste an item. If you click this icon, you get some choices about whether you retain formatting from the original item or assume the formatting of the location where you’re pasting it.




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How to Turn on the Windows Firewall

Note: A firewall is software or hardware that checks information that comes
from the Internet or from a network. Then, the firewalleither blocks the information or lets the information pass through to your computer.Whether information is blocked or passed throughdepends on your firewall settings.

A firewall can help prevent malicious software (such as worms) from gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers.


To enable Windows Firewall, follow these steps:

1. Click Start, click Run, type Firewall.cpl, and then click OK.

2. On the General tab, click On (recommended).

3. Click OK.

Note: If the General tab or the On (recommended) option is unavailable, the system may have a policy against running the firewall. Contact the system administrator for more information about how to enable the firewall. In addition, the system may already be running a third-party firewall (Zone
Alarm or Norton Internet Security, for example). Contact the system administrator for help in determining whether a firewall is already running on the system.

In most cases the term 'system administrator' means the person who set the computer up.


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How to Start Windows in Safe Mode

Windows 98/Me

• Restart the computer.
• Just after the POST diagnostics and memory count, start pressing the F8 key
• On the Startup Menu, choose Safe Mode

Windows 2000

• If the computer is running, shut down Windows, and then turn off the power
• Wait 30 seconds, and then turn the computer on.
• When you see the black-and-white Starting Windows bar at the bottom of the screen, start tapping the F8 key. The Windows 2000 Advanced Options Menu appears.
• Ensure that the Safe mode option is selected. In most cases, it is the first item in the list and is selected by default.
• Press Enter. The computer then begins to start in Safe mode.
• When you are finished with all troubleshooting, close all programs and restart the computer as you normally would.

Windows XP

If Windows XP is the only operating system installed on your computer, booting into Safe Mode with these instructions.

• If the computer is running, shut down Windows, and then turn off the power
• Wait 30 seconds, and then turn the computer on.
• Start tapping the F8 key. The Windows Advanced Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
• Ensure that the Safe mode option is selected.
• Press Enter. The computer then begins to start in Safe mode.
• When you are finished with all troubleshooting, close all programs and restart the computer as you normally would.

Windows as part of a multiboot system

Use this method ONLY if you have multiple operating systems installed on your computer.

• If the computer is running, shut down Windows, and then turn off the power
• Wait 30 seconds, and then turn the computer on.
• When the Boot loader menu (list of the available operating systems) appears, use the arrow keys on the keyboard to select the version Windows what you want
• Press Enter, and then immediately begin tapping the F8 key. The Windows Advanced Options menu appears.
• Scroll to and select the Safe mode menu item, and then press Enter.
  

Windows Vista

Windows Vista is similar to Windows XP for starting in Safe Mode.

• Turn the computer on or Restart the computer
• Start tapping the F8 key. The Windows Advanced Boot Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
• Ensure that the Safe mode option is selected (the top option)
• Press Enter. The computer then begins to start in Safe mode.
• When you are finished with troubleshooting, close all programs and restart the computer as you normally would.
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How to Choose or change Screen Resolution

On the Start menu:

Select Control Panel


In Control Panel:


Be sure you are in Classic View (all Control Panel icons are showing).
If not, under Control Panel in the left pane, select Switch to Classic View.

Select Display

Press ENTER


In the Display Properties dialog box:


Select the Settings tab.


On the Settings tab, under Screen Resolution:
Select a screen resolution value by moving the slider arrow.
Select OK. close Control Panel