Which of the following should you do before working on a computer?


Which of the following should you do before working on a computer? Before working on a computer, always turn the power supply unit’s (PSU) power switch off and unplug the power cable. Before touching anything in the computer, it is smart to connect a grounding cable or anything that removes static electricity to avoid frying components.

What should you do after you unplug the computer to be sure the power supply is completely drained? What should you do after you unplug the computer to be sure the power supply is completely drained? Press and hold down the power button for a moment.

What should be done after reassembling a laptop but before installing the battery or AC adapter? What should be done after reassembling a laptop, but before installing the battery or ac adapter? Before working inside your computer, save and close all open files, exit all available applications, and shut down your computer.

Which component may be considered a field replacement unit or FRU? Explanation: A field-replaceable unit (FRU), such as a motherboard, display, keyboard, or touchpad, commonly requires some technical skill to install.

Which of the following should you do before working on a computer? – Additional Questions

What audio port connects to an external home theater audio system providing digital audio output?

30 Cards in this Set
A tower case conserves space since it can double as a monitor stand. t or f false
Which type of port transmits both digital audio and digital video with a single connector? HDMI
Which is an audio port that connects to an external home theater audio system, providing digital audio output? S/PDIF

What do you call a connector on a motherboard that consists of pins that stick up from the board?

Form Factor. What do you call a connector on a motherboard that consists of pins that stick up from the board? S. Header.

What is considered a field replaceable unit?

A field-replaceable unit (FRU) is a printed circuit board, part, or assembly that can be quickly and easily removed from a computer or other piece of electronic equipment, and replaced by the user or a technician without having to send the entire product or system to a repair facility.

Is a motherboard an FRU?

The motherboard assembly is a field-replaceable unit (FRU).

What is FRU in Cisco switch?

This check monitors the administrative and operational status of field replaceable unit (FRU) power supplies of Cisco switches. The check is OK when the administrative and operational state is on .

Are monitor field replaceable units?

Parts that the customer should not replace are called Field-Replaceable Units (FRU). FRUs include such components as the laptop motherboard, LCD display, and keyboard.

What FRU means?

In electronic hardware, particularly computer systems, a field-replaceable unit (FRU) is a circuit board or part that can be quickly and easily removed and replaced by the user or by a technician without having to send the entire product or system to a repair facility.

What is a Lenovo FRU number?

A service part Field Replacement Unit (FRU) is used to replace a defective part installed or attached to the computer. Service part FRUs are identified by a 7-digit number on the part itself (for example, FRU P/N 11×1111). A Lenovo FRU can be purchased and replaced by a Lenovo qualified field support person.

What is FRU part number?

Field replacement unit (FRU) part number

The field replacement unit part number is 7-digits in length, and it is mainly used when you need to replace a defective part currently installed in your personal computer.

What is ASM P N?

ASM P/N: ASM is the Assembly (ASM) manufacturing part number. ASM part numbers cannot be purchased from Lenovo or from authorized Lenovo Business Partners.

What are the two types of customer replaceable units CRUs )?

Types of CRU’s:
  • Self-service CRU’s: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost.
  • Optional-service CRU’s: Refer to parts that can be installed or replaced by customers with a greater skill level.

Where can I find my Lenovo FRU number?

The Product label on the rear of the monitor includes: FRU P/N, serial number, and the Machine-Type-Model information.

Where is Lenovo battery model number?

Lenovo often lists several part numbers, one is called “FRU p/n”, on is called “ASM p/n”, and occasionally the model number is just listed on the battery with no preface. Also on many Lenovo cartridges there is a red or orange circle with a number inside it (also may contain a + sign).


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