Портативный компьютер – помощник и друг для many modern people. Sometimes it stops working, in which case it is necessary to contact a specialist in the service. Is it possible to conduct a self-diagnostic to understand why the laptop does not turn on?
Where to begin?
It is necessary to inspect the power supply.Connect the technician to the network. The computer refuses to work? It is necessary to check the serviceability of the outlet, make sure that there is electricity at home. If the external source is in perfect order, go to the power supply. Look at the indicator, it should be on. No? Then one of the reasons that the laptop does not turn on is the power supply unit.
In the event that the light is on, it is recommended to check the power indicator of the computer. He can suggest the following points:
- With the problem nest.
- There was a wire break.
Cope with this help in the service centers.
Another potential cause of equipment failure -battery that completely failed. How to be? It's worth replacing it. If the light is on, then it's not the power supply, look for the reasons elsewhere.
Common breakdowns
Consider the known cases when the laptop does not turn on. For example, the cooler is noisy, and the screen looks at you with its black emptiness. Such a breakdown can be a serious problem. It could have been caused by:
- Burned out processor.
- Video card that refused to work.
- South / north bridge, out of order.
It is difficult to accurately determine what is the matter.If everything turned off due to overheating, but the processor has withstood, then further exploitation can do him harm. It is better to call a master to prolong the life of his technique and spend less on repairs.
This we have considered the most common situations in which the laptop does not turn on. And it happens, on the contrary, it can not be turned off. This also happens for a variety of reasons:
- The motherboard does not meet the ACPI requirements.
- The program was installed incorrectly.
- The operating system and ACPI mode are incompatible.
- ACPI does not match a particular part or driver.
Try to find out why the loss occurred.functionality. Find the site of the manufacturer of your computer, find out what caused this failure. Sometimes such consultations help a lot, especially if everything happened because of a driver or some kind of update. You will be recommended to reinstall the program or the system itself. I would like to note, do not panic, if the laptop does not turn on. What to do next, you need to calmly decide after a careful examination.
What actions to take?
1. As already mentioned, check the power supply. Then turn it off for a couple of minutes. Remove the battery, turn on the equipment again, but without the battery.
2. Try to boot from the CD.If everything works out, the reason is software. Check the hard drive for viruses. Suppose it is not visible, then the problem is more serious, you need to contact the service.
3. Check for the presence of voltage in the plug of the power supply, replace the cord if necessary. Listen to all the sounds of the laptop, if something is alarming, bring it to the professionals.
4. Sometimes there are problems with sensors for closing the matrix, they can seize.
5. When nothing helps, go to the service center, they will find the reason and help to eliminate it.
Now you know that you should not be afraid when the laptop does not turn on. Black screen - this is not the worst in this life!
