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Posted on Jan 02, 2017
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WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
Unplug all electronic cords connected to the computer.
At no time during the installation should any cords be connected to the computer.
Remove the screws holding the computer cover case, and remove the cover case.
Locate the computer power supply box, which looks like a large box out of which a bundle of wires run and connects to the power cord jack on the outside of the computer case.
Unplug the power cables from the internal devices connected to it.
Be careful not to damage any of the sensitive control boards or devices inside the computer, and be certain to remember--write it down if you need to--what devices will need reconnecting to the new power supply when you finish the installation.
Unscrew the power supply from the inside of the computer case and remove it. Check the original power supply's red voltage switch for the correct setting.
It should read 120 or 240 if you live within the United States.
Confirm this setting as the correct voltage setting for your power outlets.
Make sure your new power supply gets set to the correct voltage setting before you install it.
If it cannot be set to the correct voltage, do not proceed with the installation or you may damage your computer.
Return the new power supply and buy one that is compatible with the voltage requirements.
Install the new power supply, reattach the screws that will hold it in the proper place inside the computer.
Reattach the power cables that come from the new power supply to the devices that were connected to the old power supply.
Make sure all of these connections are firmly in place before you turn the computer back on.
Reattach the computer power cables and all the cords connected to the computer during normal operation, but do not close the computer case yet.
Keep your hands clear of the inside of the computer case as you attach power cords and peripheral devices.
Turn the computer on and observe the performance of the computer without touching anything inside.
Do all the computer fans function normally?
Does the computer operate as well as or better than before?
If you feel that the computer behaves normally and you do not encounter any problems, turn the computer off, remove all the power cords and peripheral cables once more, and close the computer case.
Then reattach the power cords and peripheral cables and begin using the computer.
Check for errors if you encountered any problems starting the computer or if it would not start at all, unplug all the power cords and computer cables connected to the computer and look inside.
Make sure that you connected all the correct power cables inside the computer securely and did not miss any.
If you have confirmed this and the computer still doesn't start or operate normally, call your computer manufacturer or a professional computer repair shop for assistance completing the installation
hope this helps
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Determine what kind of video line-in connection the TV has. These connections are typically on the back or side of the TV. You also will need to determine what kind of video line-out connection the computer has.
Types of video connections include S-Video, VGA, DVI and HDMI. The Resources section of this article offers links to sites that will help you identify the connection type of your TV and computer.
Purchase a video connection cable that is for the type of connection that the computer and TV share. For example, if the TV and computer both have S-Video ports, you should purchase an S-Video cable. S-Video connections are the most common and least expensive option.
Connect the end of the S-Video cable that matches the connection on the computer to the computer video line-out port. Connect the other end to the video line-in port of the same kind on the TV.
Convert video from VGA video to S-Video or even component video. Do this if the two connection ports on the computer and TV are not compatible. You will need to purchase a scan converter box, a VGA video cable, and either an S-Video or component video cable. Connect the cable that will connect to the computer jack to the computer and the converter box, and connect the S-Video or component video cable to the TV and the converter box.
Turn on the TV and use the remote control to select "Input." Some TVs will have multiple selections. Turn on the computer and play a movie or display an image on the screen. As you are scrolling through the "Input" options on the television, you will see a matching image of what you opened on your computer on the TV screen when the correct input is selected.
Adjust the screen resolution on the computer if the image on the TV is distorted, too small or too large. Do this by going into Control Panel and Display Settings on the computer. Select a different screen resolution until the image on the TV fits the TV screen
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