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Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this product.

•Use the product only with the supplied power supply cord set. If you need to replace the power cord set, make sure that the new power cord meets the following requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.6 meters (15 feet) maximum length.

Product servicing

Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel.

Unplug this product from the wall outlet and refer servicing to qualified service personnel when:

•the power cord or plug is damaged, cut or frayed

•liquid was spilled into the product

•the product was exposed to rain or water

•the product has been dropped or the case has been damaged

•the product exhibits a distinct change in performance, indicating a need for service

•the product does not operate normally after following the operating instructions

Note: Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition.

Guidelines for safe battery usage

This notebook uses a Lithium-ion battery. Do not use it in a humid, wet or corrosive environment. Do not put, store or leave your product in or near a heat source, in a high temperature location, in strong direct sunlight, in a microwave oven or in a pressurized container, and do not expose it to temperatures over 60°C (140°F). Failure to follow these guidelines may cause the battery to leak acid, become hot, explode or ignite and cause injury and/or damage. Do not pierce, open or disassemble the battery. If the battery leaks and you come into contact with the leaked fluids, rinse thoroughly with water and seek medical attention immediately. For safety reasons, and to prolong the lifetime of the battery, charging will not occur at temperatures below 0°C (32°F) or above 40°C (104°F).

The full performance of a new battery is achieved only after two or three complete charge and discharge cycles. The battery can be charged and

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Acer 4720 Series, 4320 Series manual Product servicing, Guidelines for safe battery usage
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4320 Series, 4720 Series specifications

The Acer 4720 and 4320 Series laptops represent a blend of performance, portability, and affordability, making them popular choices for students and professionals alike. Released in the mid-2000s, these models were targeted towards users who required reliable computing power for daily tasks, including web browsing, document editing, and multimedia consumption.

The Acer 4720 Series is characterized by its robust performance capabilities, powered by Intel Core processors. These processors provide ample speed and responsiveness for multitasking. The 15.4-inch display offers a balanced resolution that caters to both work and entertainment, and it features Acer's CrystalBrite technology, which enhances color vibrancy and clarity, making images and videos appear more vivid.

On the other hand, the 4320 Series, a slightly more budget-friendly option, shares some similar features but comes with a 14.1-inch display. This smaller form factor makes the 4320 Series a highly portable option for users on the go. It is equipped with AMD processors, providing sufficient power for everyday tasks and decent graphical capabilities, thanks to integrated graphics.

Both series boast a comfortable keyboard and a responsive touchpad, crucial for prolonged use without discomfort. The battery life is commendable, allowing users to work on the move without constantly searching for power outlets. Additionally, the laptops come equipped with multiple USB ports, HDMI output, and card readers, enhancing connectivity options.

In terms of storage, both series typically offer a range of HDD options, providing flexibility for users needing more space for files, applications, and multimedia. The laptops also feature onboard speakers and a webcam, essential for video conferencing and casual multimedia use.

Acer's commitment to build quality is evident in these series, offering durable chassis that withstand the rigors of daily use. The 4720 and 4320 Series laptops also come pre-installed with Windows operating systems, granting users immediate access to essential productivity applications.

In summary, the Acer 4720 and 4320 Series laptops are solid choices for those in need of reliable computing tools that combine functionality and portability. With their well-rounded specifications and user-friendly features, these laptops continue to hold value even in today’s competitive market.
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