Dell Chromebook 3100 Service Manual Download Page 8

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Safety instructions

Prerequisites

Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless
otherwise noted, each procedure included in this document assumes that the following conditions exist:

●

You have read the safety information that shipped with your computer.

●

A component can be replaced or, if purchased separately, installed by performing the removal procedure in reverse order.

About this task

WARNING:

Before working inside your computer, read the safety information that shipped with your computer.

For additional safety best practices information, see the

Regulatory Compliance Homepage

CAUTION:

Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that came with the product.

CAUTION:

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically

touching an unpainted metal surface at the same time as touching a connector on the back of the computer.

CAUTION:

Handle components and cards with care. Do not touch the components or contacts on a card. Hold a

card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by
its pins.

CAUTION:

When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some

cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking
tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending
any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and
aligned.

NOTE:

Disconnect all power sources before opening the computer cover or panels. After you finish working inside the

computer, replace all covers, panels, and screws before connecting to the power source.

NOTE:

The color of your computer and certain components may appear differently than shown in this document.

Storing Chromebooks for long term - best practices

Prior to long term (Summer) storage:
1. Update to the latest version of the Chrome OS and charge your Chromebooks so that the battery is at least 80% full.

a. This ensures that even when the battery discharges while unplugged over the summer, it will not fully run out of power.

2. Connect the device to a charger and then turn it on.

3. Hold Refresh

and Power

keys at the same time.

4. While holding these keys, remove the power cable from the device and then release the keys. The device should shut down

and remain off.

5. Attempt to power the unit on, by pressing the power button. If the unit does not power on, you have completed the steps

and can safely store the system. If the unit powers on, you should repeat steps 2 to 4.

Upon redeploying:
1. Connect the Chromebooks to a charger and a power source, which will get them out of the battery disconnect state. Power

up your device.

2. Connect your Chromebooks to WiFi and update them to the latest Chrome OS release.