For example, if you forgot to backup the hard disk it will result into loss of data.
While going to start the disassembling of your PC please keep following thing in you mind :-
- Be sure that disassembling is necessary and for that apply all possible general troubleshooting techniques first to get the problem removed. Also check all the device drivers and software’s to ensure that problem is not due to their fault. Some times damage of device drivers may cause problems. So check them too properly along with general troubleshooting methods.
- For disassembly you need enough work space so that you can keep the components separate and safe. So make sure that you have a separate room with enough space on table top to disassemble the PC. Be sure that the room is not humid or raise the air humidity to 50 % or so. Also touch some metal to remove static charge before starting the disassembly.
- Take a cup, tray or bag to three different types of screws in your PC it is to store them separately so that you can easily get them during assembly.
- Before opening the system back up the configuration. Normally the configuration information is stored on CMOS chips which is kept alive through a battery. But when you disassembly the PC it loses whatever information it has. So it is better to check and keep the setup information. With you so that if it is lost, you can restore it. Record the CMOS information and proceed with the next step.
- Just turn everything off i.e. your PC and all associated peripherals. Check the power switch and put it off. Disconnect the wire from wall socket and disconnect the computer power cable from CVT & UPS whatever you are using. Now power switch for all peripherals and PC itself is off so no peripheral gets power now i.e. Printer, monitor, modem etc.
- Task the monitor off the PC and set it aside. Carefully loose the connector of your display unit from back of the CPU and disconnect it. You can put the monitor on floor with the tube facing into room. Its cover glass is very thick and safe.
- Remove all cables from back of your CPU so that you can fern the cover. Place the printer and any other device, if attached to computer, off and set all of them aside including your key board, mouse, speakers, mike arrangement etc. And when there is no connection left on it remove screws of the cover and remove the cover carefully. Keep the screws carefully in the bags or trays you have selected for.
- There are four to six screws that hold the case in place and four others that hold the power supply in place. When you remove the screws, take care of power supply screws and also keep all the screws that you remove in proper trays or bags so that you can keep track of them during reassembling.
- Two styles of PC cases are available. It contains four screws at all corners at backside to hold the cover. Remove these screws and pull the cover back, then up, to remove it. If the PC has a typical tower case style then it contains six screws to hold the cover.
- Remove the ribbon cables very carefully. See carefully how the cable is connected to the board and device. You can also mark them with different colors and also mark the connector with the same color so that while reassembling you can have easy track of what to connect where. You can also note the current position of cables.
- Remove the boards correctly after detaching all the connectors from the board. Keep the connectors and cables carefully and just do not assume that you can get and connect. Remove remaining screws from the board and keep them safely. Don't touch the gold edge connectors on bottom part of the board, as oil and dust on your fingers corrode the connector or, at least, make the connection less efficient.
1. Diagram the board first.
2. Remove any connectors on it.
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