Advice 1: How to connect the system unit

When buying a computer novice - the person who has little idea about PCs in General - requires some assistance in the Assembly and connection of this device. If it is not possible to call a specialist or friend, you will come to the aid of this manual.
How to connect the system unit
You will need
  • Connect all interfaces and cables in the correct order.
Instruction
1
Take the main cable designed for powering the system unit from the network. On one side is plug, the other end in the form of a trapezoid. It is necessary to turn to his system unit rear (back) side, where there is a lot of connectors like "Mama" and "Papa". Take the power cord, which connector is "mom" and to be attached to the male end, located at the top of the system unit. It is not necessary to connect it directly to the network.
How to connect the system unit
2
Set next to the system unit the monitor to connect the monitor to the system unit. For this we need the same power cable from the mains. The principle is the same, only now we connect the cable to the monitor. To the network also we do not connect.

Take the next cable to connect the monitor and system unit (the VGA cable). One side connected to the monitor, the other to the system unit before it is necessary to find the VGA connector on the system unit. After connecting this cable, tighten the plastic bolt with your fingers or a small screwdriver. This is necessary for continuous and stable signal.
How to connect the system unit
3
Connecting the keyboard and mouse are very similar. The only difference is the color of the plugs and sockets designed for these devices. Socket keyboard and mouse (PS/2)are located below the power socket of the system unit. The keyboard is purple color and mouse - green.

In recent years began to release devices under the USB interface. In this case everything is much simpler. You need to insert the plug you need a device (keyboard or mouse) to the USB port.
How to connect the system unit
4
The last stage of connection will be connecting the speakers and system unit. From the main column departs 2 cables - the power cable and the audio cable. We need to connect the audio cable to the system unit. Find a round green socket on the system unit and connect.

Now we need to connect all power cables to the outlet. Here you can use the network filter (pilot). After connecting all the devices to the system unit, we need to turn the computer on by pressing the button "Power" on the front panel of the computer.
How to connect the system unit
Useful advice
If you turned on the computer, but not an image or there is no sound, then something went wrong. Suggest to ask for help to people who are well-versed in this issue.

Advice 2: How to connect a second power supply

When the system block of the computer ceases to turn on and emit any sounds, the most common reason for this behavior — the faulty unitand power supply. The easiest way to check is to spin the system unit and connect to the motherboard the other unit power supply the appropriate power.
How to connect a second power supply
You will need
  • - screwdriver;
  • - the power supply.
Instruction
1
Remove the side cover from the system unitof a computer that provides access to the motherboard. Make sure the computer is unplugged from the network and remove from all devices the cables of the power of the established unitand power — from Winchester, drive, graphics card (if connected), floppie and of course the motherboard. As a rule, you need to check the proper placement of the cables that go from the blockand power to all components of a personal computer.
2
Put the new unit power supply near the computer. Connect the cables supply power to the motherboard. If the Board is not very old, it can be connected to two connectors — the main power and additional. It is not necessary to push the connectors with force. If the connectors do not climb, so you're trying to put them in the wrong way. Insert the connector of the power supply to the closing clips located on the plastic mount of the connector.
3
Connect unitfrom power mains cable. Powered graphics card if it needs additional power. Connect to motherboard monitor, keyboard, mouse. Move the switch on the unit, e power (if equipped) to on (drawn one) and turn on the computer the usual way.
4
If the motherboard will work, will spin the fans and will be loaded and on the screen there will be video then the motherboard (and with it the CPU and RAM) in a healthy state. Also do not forget that the unit power supply distributes all the power for all parts of a personal computer. If you do not have enough power, the computer can work with some crashes or does not work, so carefully calculate the power.

Advice 3: How to replace the system unit

System unit is a case, inside of which are the power supply and system (motherboard) Board-connectable controllers for external devices. In the case of the system unit are also installed: hard disk (HDD) device data read and write: DVD, CD and others. That is, system unit of computer this is the computer itself.
Connectors for keyboard and mouse may have a corresponding notation.

Materials and tools


To replace the system unit, you will need:
- new system unit;
monitor;
keyboard;
mouse;
- screwdriver;
- package reference documentation for all devices in the system unit;
media software all existing devices.

Compliance


Replace the system unit is a replacement computer. During this operation you will have to solve two main tasks, namely: to provide hardware and functional combination of devices. The first step in this direction, you will have to make at the stage of acquiring a new system unit. Buying the system unit, be sure to demand the documentation on it. Check the documentation to see whether the architecture you intend to purchase a computer for those tasks that you are going to solve with its help. The importance of speed and type of CPU, amount of memory (RAM), hard disk space, settings of the graphics card. Note the connectors of the graphics card. Depending on the type of your current monitor, you'll need a video card that has VGA (analog) or DVI (digital) video outputs. Their connectors are different. In addition, if you plan to bring the video signal to the TV, you may need connectors S-Video or perhaps HDMI. If you are interested in the multimedia of your computer, you should see what sound card you have installed. Its parameters and number of channels must also be specified in the documentation. To connect the keyboard and mouse on the back of the system unit is sometimes placed connectors PS/2. If not, then you will have to use USB connectors. The latter is not always desirable, as it leads to a decrease in the number of available USB ports required for connection to mobile devices. USB ports are available on any modern machine, but their number varies. Make sure that your goals will be enough. It is desirable that the architecture of the computer included network adapter with LAN-connector this will allow you to connect your computer to a local network or the Internet. The presence of the FireWire you will need in the event if warranted by existing peripheral device. The same applies to SCSI devices.

Connection and setup


If the hardware configuration of the new system Boca you are satisfied, you can proceed to install it. First, collect a minimum configuration: system unit, monitor, keyboard, mouse. If your computer have ports PS/2, next to them, already bear the symbols of the mouse and keyboard. Socket on the sound card are color-coded. Other connectors to confuse almost impossible. When you connect the monitor cable can sometimes require a screwdriver, all the other connections are made without tools. The old system sometimes blocks located three-pole socket for power supply of the monitor. If the new building it is not, get to monitor the network cable and use it. In that case, when you have preset the desired operating system, you can immediately proceed to installing device drivers of external devices and necessary software. In other cases, you will need to install or reinstall the operating system. Additional software necessary for all devices of the new system unit, you must provide his supplier.

Advice 4: How to connect your old hard drive

To connect old hard drive to the computer, you should follow certain precautions. Otherwise, you risk not only burning the hard drive, but get an electric shock.
How to connect your old hard drive
You will need
  • Personal computer hard disk.
Instruction
1
First you need to disassemble the computer case. Before you begin this procedure, make sure that the system unit is not connected to the network. To get to the desired sector, it is necessary to remove both side walls of the housing. To do this, loosen the screws fixing them and slide out of the wall. You can now proceed to connecting the hard drive.
2
Before you plug in the power cord and ribbon cable to the hard drive, hook it in the system unit. For this, the corps provided special shelves. The device must be fixed with screws. As soon as you connect the hard drive, plug in the power cord and cable of data transmission. Make sure all the wires are plugged tightly attached to the outputs of the device.
3
Not collecting the housing, connect the computer to the network and make sure that the device is working properly. In that case, if the hard disk will not work, it is possible that it is damaged or loosely attached to the power contacts, or train data transfer. If the unit is working fine can collect the body, securing the walls in their original position. Before you consolidate the wall of the system unit, it is desirable to shut down the computer, unplugging it.
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