Using external AC power | HP CQ40-711TX, CQ41-206AU, CQ41-205AX

2 Using external AC power

External AC power is supplied through one of the following devices:

WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.

●Approved AC adapter

●Optional docking device or expansion product

Connect the computer to external AC power under any of the following conditions:

WARNING! Do not charge the computer battery while you are onboard aircraft.

●When you are charging or calibrating a battery

●When you are installing or modifying system software

●When you are writing information to a CD or DVD

When you connect the computer to external AC power, the following events occur:

●The battery begins to charge.

●If the computer is turned on, the battery meter icon in the notification area changes appearance. When you disconnect external AC power, the following events occur:

●The computer switches to battery power.

●The display brightness is automatically decreased to save battery life. To increase display brightness, press the fn+f8 hotkey or reconnect the AC adapter.

6 Chapter 2 Using external AC power

CQ40-633TU, CQ40-606AU, CQ40-612BR, CQ41-209AX, CQ40-710TX specifications

The HP CQ41 series, including models CQ41-214AU, CQ41-215AU, CQ41-207AX, CQ41-222AU, and CQ41-218AX, are well-regarded laptops that cater to users looking for reliability and functionality. These laptops are designed with a focus on everyday computing demands, offering a balanced combination of performance, portability, and affordability.

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The display on the CQ41 series is typically a 14-inch diagonal High-Definition (HD) screen, supporting a resolution of 1366 x 768 pixels. This size strikes a balance between portability and usability, making it ideal for both students and professionals. The display is equipped with LED-backlighting, which offers improved brightness and energy efficiency.

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Another key feature of the CQ41 series is its connectivity options. These laptops include multiple USB ports, HDMI output, and an SD card reader, facilitating easy connections to peripherals and external displays. The inclusion of Wi-Fi and Bluetooth support ensures that users can stay connected wirelessly, whether at home or on the go.

The battery life of the CQ41 series is commendable, providing several hours of usage on a single charge, which is ideal for users who require mobility. Additionally, the keyboard is designed to be comfortable and user-friendly, making it suitable for extended typing sessions.

Overall, the HP CQ41-214AU, CQ41-215AU, CQ41-207AX, CQ41-222AU, and CQ41-218AX models combine functional design with practical features, making them reliable choices for budget-conscious consumers needing dependable everyday laptops.