Acer Chromebook CB5-132T Manual de usuario

Acer Chromebook CB5-132T / C738T

LIFECYCLE EXTENSION

GUIDE

Self-Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Disassembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25

FRU (Field Replaceable Unit) List . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29

Check for updates yourself. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33

Factory reset your Chromebook. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34

Self-Repair 1-1

Self-Repair

This chapter highlights the limited self-repair capabilities of the product.

Prior performing self-repair, familiarize yourself with the Safety Guidelines and

Recommended Equipment sections first as described in the chapter "Disassembly

Procedures".

Depending on model, the following key components are eligible for self-repair (if

applicable);

Battery pack

HDD / SSD module

DIMM module(s)

WLAN module

LTE module

If a particular key component is listed and thus would be eligible for self-repair, but is

not described in the "Disassembly Procedures" section, then this component is either not

present on the respective model, or it is present but embedded on the motherboard and

therefore not eligible for self-repair.

NOTE:

Do not attempt to replace other components than those listed above.

NOTE:

For replacement parts, always use only Acer certified components in order to

safeguard quality, optimum system performance, stability and reliability of the

product.

NOTE:

Any damage to the product that occur during self-repair, or which has occurred as

a result of a careless or unsuccessful self-repair attempt, is not covered by the

standard product warranty.

Software Recovery 0

This product has embedded software recovery tools which can be used to either perform

a partial or full software recovery, but also to create a Factory Default recovery media.

For more information about the software recovery options, how to perform a software

recovery or creating a Factory Default recovery media, please refer to the chapter

"Recovery" which is available in the User Manual of the product.

NOTE:

In the event of not being able to create a Factory Default recovery media, it is

possible to obtain a copy of the recovery media through Acer Customer Service

(http://www.acer.com/support)

This is not a free of charge service.

1-2 Disassembly Procedures

Disassembly Procedures

Safety Guidelines 0

This chapter contains step by step procedures on how to remove and de-install

components from the computer. Use the following safety guidelines to ensure your

personal safety. Each procedure included in this chapter assumes that you are preparing

your computer for recycling and disposal. By performing any of these procedures you

acknowledge that any remaining warranty applicable to your computer will be voided.

Before you start any of the procedures in this chapter, make sure to read the following

safety guidelines and the respective instructions within the chapter.

CAUTION!

Turn off your computer and disconnect all power sources before opening the

computer cover or panels.

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.

Take off any metal objects on your arms or fingers such as bracelets, rings or

watches and make sure your hands are completely dry. Even if your unit is

unplugged, there may still be some remaining electric charge.

If a component does not come out easily, do not forcefully remove it. Instead,

check that you are removing it correctly and that no wires or other parts are in the

way.

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.

Recommended Equipment 0

The following equipment are recommended to do the following maintenance

procedures:

Wrist grounding strap and conductive mat

Philips screwdriver

Plastic tweezers

Flat plastic pry

Disassembly Procedures 1-3

WEEE Annex VII Component 0

These components are classified as requiring selective treatment:

I/O board

Battery pack

WLAN module

Touchpad module

Mainboard

LCD panel

1-4 Disassembly Procedures

Pre-disassembly Instructions 0

Do the following prior to starting any maintenance procedures:

1. Place the system on a stable work surface.

2. Remove AC adapter (A) from the system and peripherals (Figure 1-1).

3. Remove the SD card from the SD card slot (B) (Figure 1-1).

4. Remove all cables from system.

Figure 1-1. AC Adapter Outlet & SD Card Removal

NOTE:

Make sure the system is completely powered off.

Disassembly Procedures 1-5

Base Cover Removal 0

1. Place the computer on a flat surface, the bottom side is up.

2. Remove eleven (11) screws from the base cover (Figure 1-2).

Figure 1-2. Base Cover Screw Location

3. Connect the AC adapter to the system.

4. Flip the system over and then open the LCD module to a 90-degree angle, the system

will automatically start up (Figure 1-3).

Figure 1-3. Battery Cut-off

1-6 Disassembly Procedures

5. Press the power key (A) and the reload key (B) to shut off the system. Once you see

the power LED turn off (C), disconnect the AC adapter immediately (Figure 1-4).

Figure 1-4. Battery Cut-off

IMPORTANT:

Make sure the display is dark, the system is completely powered off and

the AC adapter is removed from the system.

6. Close the LCD module and carefully flip the system over.

7. Carefully pry up the base cover starting from the right side (Figure 1-5).

Figure 1-5. Base Cover Removal

Disassembly Procedures 1-7

8. Carefully flip the left side of the base cover away from the system as shown in

Figure 1-6.

9. Disconnect the battery cable (A) from the mainboard connector (Figure 1-6).

10. Disconnect the IO board FFC (B) from the mainboard connector and gently peel it

away from the top assembly (Figure 1-6).

CAUTION:

The IO Board FFC (Flexible Flat Cable) can be damaged if removed while the

mainboard connector is locked.

Figure 1-6. Base Cover Removal

11. Remove the base cover (Figure 1-7).

Figure 1-7. Base Cover Removal

1-8 Disassembly Procedures

I/O Board Removal 0

Prerequisite:

Base Cover Removal

1. Find the USB board (C) on the base cover (Figure 1-8).

2. Disconnect the IO Board FFC (A) from the IO Board connecter (B) and remove it.

3. Remove the one (1) screw (D) securing the IO board in place (Figure 1-8).

Figure 1-8. IO Board Screw Location

4. Remove the USB board from the base cover (Figure 1-9).

Figure 1-9. IO Board Removal

WEEE Annex VII Component:

I/O board

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