Appendix B. Customer Replaceable Units (CRUs)

Customer Replaceable Units (CRUs) are computer parts that the customer can upgrade or replace. There are two types of CRU: self-service and optional-service. Self-service CRUs are easy to install. They may be standalone or latched, or require a screwdriver to remove a maximum of two screws, whereas optional-service CRUs require some technical skill, as well as tools such as a screwdriver. However, both self-service and optional-service CRUs are safe for the customer to remove and replace.

Customers are responsible for replacing all self-service CRUs. Optional-service CRUs can be removed and installed by customers or, during the warranty period, by a Lenovo service technician.

Lenovo notebook computers contain both self-service and optional-service CRUs:

vSelf-service CRUs: these CRUs can be unplugged, or are secured by no more than two screws. Examples of this type of CRU are the AC adapter, the power cord, the battery, and the hard drive. In some products, such components as memory, wireless cards, notebook keyboards, and palm rests with fingerprint reader and touch pad may also be CRUs.

vOptional-service CRUs: these CRUs are isolated parts within the computer that are concealed by an access panel, which is typically secured by more than two screws. Once the access panel is removed, the CRU is visible. Both types of CRU are listed in the table on the following page.

The Lenovo Limited Warranty-01 (LLW) warranty URL “http://www.lenovo.com/ CRUs” provides instructions for replacing self-service and optional-service CRUs. CRU URL offers three options: auto detect, “key in the machine type,” and a “drop

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S10 specifications

The Lenovo S10 is a compact and versatile netbook that stands out in the crowded market of portable computing devices. Launched as part of Lenovo's Ideapad series, the S10 aims to provide users with an ideal combination of performance, portability, and affordability, making it a great choice for both students and professionals alike.

One of the key features of the Lenovo S10 is its lightweight design, which makes it easy to carry on the go. Weighing in at around 2.6 pounds and measuring just 10.2 inches in size, the S10 is designed for maximum portability, allowing users to slip it into backpacks or briefcases with ease.

Under the hood, the Lenovo S10 is powered by Intel's Atom processor, which delivers impressive performance for everyday tasks such as web browsing, document editing, and media playback without draining too much battery life. The netbook typically comes with 1GB of RAM, which can be upgraded to 2GB, providing users with enough memory to multitask efficiently.

Display quality is essential for user experience, and the 10.1-inch screen of the S10 offers a resolution of 1024x576 pixels. This provides clear and crisp visuals, making it suitable for watching videos and engaging in online activities. Additionally, the LED-backlit display enhances battery life while delivering vibrant colors and improved brightness.

For connectivity, the Lenovo S10 is equipped with Wi-Fi support, allowing users to connect to wireless networks with ease. It also features multiple USB ports, providing options for connecting external devices such as flash drives, mice, and keyboards. An SD card slot allows for convenient memory expansion, making it easy for users to transfer files and media.

The netbook’s keyboard is another highlight, designed for comfortable typing during extended use. Although smaller than full-sized keyboards, the keys are well spaced and offer a good amount of tactile feedback.

Battery life is a crucial aspect of any portable device, and the Lenovo S10 delivers in this regard with around 3 to 5 hours of usage on a single charge. This ensures that users can stay productive or entertained without being tethered to a power outlet.

In summary, the Lenovo S10 embodies the essence of portable computing while offering essential features and functionality. With its lightweight design, solid performance, and good battery life, the S10 remains a reliable choice for those seeking an affordable and efficient netbook.
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