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Lenovo ThinkCentre Chromebox (English) User guide - ThinkCentre Chromebox - Page 36

CAUTION, Before you open the computer cover, turn off the computer and wait several minutes until

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CAUTION: Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. To replace the ac power adapter, do the following: 1. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. See "Locating connectors, controls, and indicators on the front of your computer" on page 1 and "Locating connectors on the rear of your computer" on page 2. 2. Remove the power adapter cable from the ac power adapter cable loop at the rear of the computer and then disconnect the ac power adapter from the computer. Figure 7. Removing the ac power adapter 3. Connect a new ac power adapter to the ac power adapter connector at the rear of your computer and a workable electrical outlet. Then, secure the power adapter cable into the power adapter cable loop at the rear of the computer as shown. 26 ThinkCentre Chromebox User Guide

Section	Page
Read this first: Important safety information	5
Before using this manual	5
Service and upgrades	5
Glass parts notice	6
Static electricity prevention	6
Power cords and power adapters	6
Extension cords and related devices	7
Polyvinyl Chloride (PVC) cable and cord notice	7
Plugs and outlets	7
External devices	7
Heat and product ventilation	7
Operating environment	8
Power supply statement	8
Cleaning and maintenance	9
Tip-over hazard prevention notice	9
Chapter 1. Product overview	11
Locations	11
Locating connectors, controls, and indicators on the front of your computer	11
Locating connectors on the rear of your computer	12
Locating components	14
Locating parts on the system board	15
Locating the machine type and model label	16
Features	16
Specifications	18
Chapter 2. Using your computer	19
Registering your computer	19
Frequently asked questions	19
Chapter 3. You and your computer	21
Accessibility and comfort	21
Arranging your workspace	21
Comfort	21
Glare and lighting	22
Air circulation	22
Electrical outlets and cable lengths	22
Accessibility information	22
Moving your computer to another country or region	23
Chapter 4. Security	25
Attaching a Kensington-style cable lock	25
Chapter 5. Preventing problems	27
Basics	27
Cleaning your computer	27
Computer	27
Display screen	27
Moving your computer	28
Chapter 6. Troubleshooting and diagnostics	29
Basic troubleshooting	29
Troubleshooting procedure	29
Troubleshooting	30
Audio problems	30
Intermittent problems	30
Monitor problems	31
Networking problems	31
Insufficient free storage drive space	32
Serial connector cannot be accessed	32
Software problems	32
My USB connectors cannot be accessed	33
Chapter 7. Installing or replacing hardware	35
Handling static-sensitive devices	35
Installing or replacing hardware	35
Installing external options	35
Replacing the ac power adapter	35
Removing the front cover	37
Completing the parts replacement	39
Chapter 8. Getting information, help, and service	43
Information resources	43
Safety and Warranty	43
Lenovo Web site	43
Lenovo Support Web site	43
Help and service	44
Calling for service	44
Using other services	44
Purchasing additional services	45
Appendix A. Regulatory information	47
Export classification notice	47
Electronic emissions notices	47
Federal Communications Commission Declaration of Conformity	47
Eurasian compliance mark	49
Brazil regulatory notice	49
Mexico regulatory notice	49
Additional regulatory information	49
Appendix B. WEEE and recycling information	51
Important WEEE information	51
Recycling information for Japan	51
Recycling information for Brazil	52
Battery recycling information for Taiwan	52
Battery recycling information for the European Union	52
Appendix C. Restriction of Hazardous Substances Directive (RoHS)	55
European Union RoHS	55
China RoHS	55
Turkish RoHS	55
Ukraine RoHS	56
India RoHS	56
Appendix D. China Energy Label	57
Appendix E. ENERGY STAR model information	59
Appendix F. Notices	61

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CAUTION:

Before you open the computer cover, turn off the computer and wait several minutes until the

computer is cool.

Toreplacetheacpoweradapter,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,

disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe

computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage1

and“Locatingconnectorsontherearofyourcomputer”onpage2.

2.Removethepoweradaptercablefromtheacpoweradaptercableloopattherearofthecomputerand

thendisconnecttheacpoweradapterfromthecomputer.

Figure 7. Removing the ac power adapter

3.Connectanewacpoweradaptertotheacpoweradapterconnectorattherearofyourcomputeranda

workableelectricaloutlet.Then,securethepoweradaptercableintothepoweradaptercableloopat

therearofthecomputerasshown.

ThinkCentreChromeboxUserGuide