User manual HP CHROMEBOOK 14-Q029WM

[. . . ] This document is intended for HP authorized service providers only. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. [. . . ] Reverse this procedure to install the SIM slot board. 0 Combo Adapter Spare part number 676786-005 Before removing the WLAN module, follow these steps: 1. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect the power from the computer by unplugging the power cord from the computer. disconnect all external devices from the computer. Remove the keyboard/top cover (see Keyboard/top cover on page 23). Disconnect the battery cable from the system board (see Speakers on page 26). CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support. 32 Chapter 4 Removal and replacement procedures preliminary requirements Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. nOTE: The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”. The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”. 5 screw (2) that secures the WLAN module to the system board. ) Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: If the WLAN antenna cables are not connected to the terminals on the WLAN module, protective sleeves should be installed on the antenna connectors, as shown in the following illustration. Component replacement procedures 33 Reverse this procedure to install the WLAN module. Fan Description Fan (includes cable) Spare part number 740149-001 NOTE: To properly ventilate the computer, allow at least 7. 6 cm (3 in) of clearance on the rear edge of the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. [. . . ] The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased. Power cord sets for use in other countries and regions must meet the requirements of the country or region where the computer is used. Requirements for all countries The following requirements are applicable to all countries and regions: ● ● ● ● The length of the power cord set must be at least 1. All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used. [. . . ]