male hands repair an electronic device using multimetr, measuring the voltage of the computer motherboard with digital multimeter

background broken capacitor chip circuit computer concept copy device digital display electric electrician electricity electronic electronics energy equipment hand hands hold indicator laptop laptops maintenance male master measurement measuring microchip microprocessor motherboard multimeter multimetr not old outdated panel power professional repair repairman research screwdrivers security services servicing slave space technology test tester that tools transistor using voltage voltmeter working