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Safety Precautions While Replacing Components in Dell Device

Summary: When working on internal components of a Dell computer, follow the safety precautions that are provided in this article to avoid any harm on the hardware.

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Instructions

When working inside your server or computer, you can touch some sensitive components that could potentially be damaged by an electro-static discharge (ESD).

Table of content

  1. Video explanation
  2. Causes
  3. Instructions to prevent damages
  4. Installing a new component
  5. Other precautions

Video

This video explains how to Avoid ESD (Electrostatic Discharge) damage when manipulating components.

How to Avoid ESD Damage

Duration: 02:33
Closed captions: (English-only video, with subtitles available for several languages.)


1. Causes

Electro static discharge or ESD is the sudden flow of electricity between two objects. ESD occurs when an object with a static electricity charge near an object with a lower charge. Static electricity commonly builds up when there is friction between two materials like walking on a rug or removing some types of plastic packaging.

Some of the components in your computer are sensitive to ESD, especially the memory DIMMs, and could be damaged.


2. Instructions to prevent damages

The best method of avoiding ESD is using a grounding wrist strap, mat, or table. These devices are designed to discharge static electricity safely.

Whenever working inside a computer or server, disconnect all cables, cords, and batteries before opening it, and press and hold the power button for 5 seconds after everything is disconnected. This helps protect you from unexpected shock and also help to eliminate sources of ESD.

The next step is to equalize the charge between yourself and the computer. The technical term for this is 'reaching zero potential' although it is also often referred to as grounding or bonding. The easiest way to ensure you reach zero potential is to continuously touch an unpainted surface on your computer.


3. Installing a new component

New components come in a dark gray or silvery anti-static bag. They protect the content, so leave the component in the bag until needed. When removing components from your computer, even damaged ones, immediately place them inside an empty anti-static bag. Most ESD issues can be avoided if you follow these simple steps.


4. Other precautions

A few methods to avoid building up extra static is to avoid fabrics that conduct static electricity like wool and synthetic fabrics. It is also helpful to remove metal jewelry. Collect all the tools and supplies you need before opening the computer. You may create unexpected charge each time you walk away. Consider working on your computer while standing. Friction between your clothes and a chair or the floor can generate static.

Affected Products

PowerEdge