computer is a technically complex system in which a large number of components interacting with each other.The appearance of faults in individual components affect the computer's performance - the problem may cause the computer to stop that run and react to pressing the power button.
If you press the power button, the computer begins to start up, check the power cord that comes from the power supply to the back of the cabinet.Make sure there is no damage to the cable.Try plugging the cable into a different outlet on extended - it is likely that the reason was the inability to turn the computer on failure of a single outlet or extension cord just in general. Plugs wires should be firmly inserted into the computer's power supply on one end and an outlet at the other.
If the wire is intact, check the power switch, which should be at the back of the computer next to the hole for the cable.This lever must be in position I (On).If the button is already in position, t
urn it off and on again, and then again try to make your PC run.
If after these operations, the computer still does not start, the problem may be linked to a problem with your power supply or motherboard.Breakdowns are more common power supply.To make sure that the motherboard is all right, remove the side cover of the computer by unscrewing the fastening at the back.Unplug the power cord and check the density of attachment loops installed in the device.
If these manipulations do not help in removing the causes of failure, then you have broken the power supply.To replace him, take the body to the service center and make the service replacement PSU.
Or you can replace the power supply at home.To do this, find the source of power in watts, please read the documentation for your computer or consult the label on the PSU. The required information will be available if you remove the side cover.
then buy a device in any store of computer accessories.PSU power should correspond to your previous device.
After purchasing you need to install the power supply into the computer.To do this, remove the side cover over the battery and unplug all cables that go from the old power supply to the motherboard.Note the location of the disconnected wires, then remove the power source and install a new one in accordance with the fixings on the case.
Connect all wires to the motherboard and firmly secure them in ports.Screw the power supply and test it by plugging in the power supply using the appropriate cable.If the computer starts, the repair can be considered complete and you can close the lid of the computer.
Tip 2: Why does my computer does not turn
If the computer does not turn on, it can become a serious problem.Maybe blame the fault line filter.Or the lack of electricity in the building.It is necessary to check the correct connection of the power cables.We can not exclude the fault of the computer.
You pressed the power button and the computer does not work?Do not rush to call a specialist.Chances are that the cause of the problem was a misunderstanding.
computer can not work due to simple lack of electricity.For starters see whether the lights switch on the power strip.He could accidentally hurt and lead to the off position.
If he's all right, it is worth checking whether the mains plug in the socket filter.If the computer is in the office, could accidentally pull the plug when cleaning.
not hurt to check the computer power cord.Its plug must be inserted into the power strip.If it is connected to a lot of consumers can be confused wires and accidentally disconnect the system unit or monitor.
poor contact of the cable into the power supply connector - another common cause of problems.The plug could move or fall out of the socket, especially if it has been plugged in securely.To solve this problem you need to insert the cable back until it stops.
Many power supplies have a switch on the body about which is often overlooked.When you operate the system unit on it is possible to accidentally press.Be sure to check whether he is in the operating position.
broken socket or a failed power strip - here's another possible cause of the problem.If such suspicions, check the outlet.If you do not have a special tester, you can use an ordinary table lamp.
can not rule out the situation with the outage.Check whether other electrical appliances, is there a light in the adjacent areas.Check the circuit breakers in the switchboard.
Problems with computer
If electricity is, a surge protector in order and everything is connected correctly, the reason may be in the computer.Independently undertake the removal of his problems is possible only when you are sure you can handle.If it is not - it is better to consult a specialist.
problem may occur because of the power button.Due to wear, it can be damaged.By specialists such failure is diagnosed and corrected quickly enough.
Could abyss contact at the connection wires from the power supply to the motherboard or hard drive.If you are confident in their abilities, you can check the reliability of their connection.Prior to this, it is necessary to disconnect the computer!
damage your computer can contact oxidation of its key components.At risk - RAM, video card, hard drive.To solve this problem you need to clean the contacts.
Faulty power supply - another possible reason why the computer will not start.The surest way to detect a problem - to connect a known good unit.
Dust the insides scoring system unit can cause the closure.If there has been an irreversible damage to the components, all can be corrected with a brush and a vacuum cleaner.
- Possible causes problems