Repair of computers

Repair of the computer is necessary when:

• The computer does not turn on by the button
• There is no image on the screen
• The image on the screen with artifacts or with noise
• The computer spontaneously is switched off or reboots
• The computer freezes up
• Decreased speed of system
• Does not "see" hard drives
• USB devices or ports do not work
• Failures in operation of the video card
• etc.