Lenovo 3000 V200 Bedienungsanleitung PDF herunterladen (Seite 51)

Appendix B. Customer Replaceable Units (CRUs)

Customer Replaceable Units (CRUs) are computer parts that can be upgraded

or replaced by the customer. There are two types of CRUs: internal and

external. External CRUs are easy to install, whereas internal CRUs require

some technical skills and in some cases might require tools such as a

screwdriver. However, both internal and external CRUs are safe for removal

by the customer.

Customers are responsible for replacing all external CRUs. Internal CRUs can

be removed and installed by customers or by a Lenovo service technician

during the warranty period.

Your computer contains the following types of external CRUs:

v External CRUs (pluggable): These CRUs unplug from the computer.

Examples of these types of CRUs include the ac adapter and power cord.

v External CRUs with latches: These CRUs include a latch to help you

remove and replace the part. Examples of these types of CRUs include the

notebook main battery, an optical drive, a hard-disk drive, and an extended

battery.

Your

computer contains the following types of internal CRUs:

v Internal CRUs (located behind an access panel): These CRUs are isolated

parts within the computer that are concealed by an access panel that is

typically secured by either one or two screws. Once the access panel is

removed, only the specific CRU is visible. Examples of these types of CRUs

include memory modules and hard disk drives.

v Internal CRUs (located within the product): These CRUs are accessible

only by opening the computer’s outer case. Examples of these CRUs

include PCI Express Mini Cards and the integrated keyboard.

Online

Access Help provides instructions for replacing internal and external

CRUs. To open Access Help, click Start, move the pointer to All Programs;

then to Lenovo Care. Click Access Help.

Additionally, the Service and Troubleshooting Guide (this guide) and Setup

Instructions provide instructions for several critical CRU’s.

If you are unable to access these instructions or if you have difficulty

replacing a CRU, you can use either of the following additional resources:

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Lenovo 3000 V200 Bedienungsanleitung Seite 51