you need
  • - screwdriver;
  • -Electronic tester;
  • - service documentation;
  • - alcohol;
  • - cloth;
  • - installation disc with the operating system;
  • - a can of compressed air;
  • - syringe with thermal paste.
If your laptop does not turn on, check firmly attached the leads to the notebook, as well as an electronic tester, check for voltage in the mains.
If you follow the previous steps the problem persists, check the output voltage using an electronic tester output power supply.In the absence of readings necessary to replace the power supply laptop .
If your laptop will not boot the operating system, check the visual inspection is mounted graphics and availability for signs of damage and clean it from the dust, if a
ny, to disassemble the laptop according to the instructions in the service documentation using screwdrivers.
If, after checking the video card problem is not resolved, perform a visual inspection of the motherboard laptop for signs of damage.
If you follow the above operations, the operating system still does not boot as well, consistently check the connection of the hard disk, memory modules, clean the pads of RAM using alcohol wipes.
If the operating system is loaded with errors, perform reset or restore the operating system.
in conflict with the software to reinstall the operating system or perform a system restore.
If your notebook has been exposed to the virus software, install anti-virus software, update it and run a full system scan.
If your laptop overheats, clean the cooling system using compressed air cylinder and replace the thermal paste on the CPU.
In the absence of sound on a laptop, install the latest version of the software for your sound card.