User manual HP CHROMEBOOK 14-Q049WM

[. . . ] Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. [. . . ] To reduce potential safety issues, use only the battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. CAUTION: Removing a battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work or shut down the computer through Windows before removing the battery. 28 Chapter 4 Removal and replacement procedures preliminary requirements Remove the battery: 1. Lift the left side of the battery (2) until the battery is clear of the alignment post (3) in the middle of the battery. 30 Chapter 4 Removal and replacement procedures preliminary requirements SIM slot board Description SIM slot board (includes cable) Spare part number 740168-001 Before removing the SIM slot board, 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. Release the ZIF connector (1) to which the SIM slot board cable is attached, and then disconnect the SIM slot board cable from the USB 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 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”. ) 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. [. . . ] Speakers (see Speakers on page 26) Battery (see Battery on page 28) WLAN module (see WLAN module on page 32) Hall sensor board (see Hall sensor board on page 39) System board (see System board on page 52) Remove the solid-state drive: 1. Remove the solid-state drive (2) by pulling the drive away from the slot at an angle. 74 lb 41°F to 95°F -4°F to 140°F -50 ft to 10, 000 ft -50 ft to 40, 000 ft NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. 58 Chapter 5 Specifications 6 Power cord set requirements The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC. [. . . ]