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Фрагмент инструкции
To remove the front LED board, you must remove the front panel. 1 Follow the procedures in "Before You Begin" on page 9. 2 Remove the computer cover (see "Removing the Computer Cover" on page 13). 3 Remove the drive panel (see "Removing the Drive Panel" on page 53). 4 Release the four tabs that secure the front panel to the chassis. 5 Carefully, pivot the front panel away from the computer to release it from the chassis. Lights 106 Lights 6 Disconnect the FRONT_LED cable from the front panel to remove the front panel along with the front panel light board. NOTE: Do not remove the front panel light board embedded on the front panel. Installing the Front LED Board NOTE: The front LED board is embedded on the front panel. Install the front panel to install the front LED board. 1 Follow the procedures in "Before You Begin" on page 9. 2 Remove the computer cover (see "Removing the Computer Cover" on page 13). 1 FRONT_LED cable 2 tabs (4) 3 front panel 2 1 3 Lights 107 3 Align the securing tabs on the front panel with the corresponding slots on the chassis; connect the FRONT_LED cable to the front panel. 4 Rotate the front panel towards the computer until it snaps into place. 5 Replace the drive panel (see "Installing the Drive Panel" on page 54). 6 Replace the computer cover (see "Replacing the Computer Cover" on page 119). 7 Connect your computer and devices to electrical outlets, and then turn them on. Removing the Rear LED Board 1 Follow the procedures in "Before You Begin" on page 9. 2 Remove the computer cover (see "Removing the Computer Cover" on page 13). 1 front panel 2 FRONT_LED cable 3 securing tabs (4) 1 2 3 108 Lights 3 Remove the system board (see "Removing the System Board" on page 87). 4 Disconnect the REAR_LED_SENSOR cable from the master I/O board (see "Master I/O Board Components" on page 101). 5 Gently push the release tab away from the chassis to release the rear LED board and then slide it up and away from the computer. 6 Replace the system board (see "Installing the System Board" on page 88). 7 Replace the system cover (see "Replacing the Computer Cover" on page 119). 8 Connect your computer and devices to electrical outlets, and then turn them on. 1 release tab 2 rear LED board 1 2 Installing the Rear LED Board 1 Follow the procedures in "Before You Begin" on page 9. 2 Remove the computer cover (see "Removing the Computer Cover" on page 13). 3 Remove the system board (see "Removing the System Board" on page 87). 4 Connect the REAR_LED_SENSOR cable to the master I/O board (see "Master I/O Board Components" on page 101). 5 Route the REAR_LED_SENSOR cable under the system board and replace the system board (see "Installing the System Board" on page 88). 6 Align the rear LED board with the metal tab on the chassis; then slide the rear LED board into place. 7 Replace the computer cover (see "Replacing the Computer Cover" on page 119). 8 Connect your computer and devices to electrical outlets, and then turn them on. Lights 110 Lights Replacing the Battery CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years. If you have to repeatedly reset time and date information after turning on the computer, replace the battery. CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions. To replace the battery: 1 Record all the screens in system setup (see "System Setup" in the Owner’s Manual) so that you can restore the correct settings after the new battery has been installed. 2 Follow the procedures in "Before You Begin" on page 9. 3 Open the computer cover (see "Removing the Computer Cover" on page 13). 4 Locate the battery socket (see "System Board Components" on page 16). NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off the socket or by breaking circuit traces on the system board. Replacing the Battery 5 Remove the battery by prying it out of its socket with your fingers. 6 Insert the new battery (CR2032) into the socket with the side labeled "+" facing up, and press the battery into place. 7 Replace the computer cover (see "Replacing the Computer Cover" on page 119). NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer. 8 Connect your computer and devices to electrical outlets, and then turn them on. 9 Enter system setup (see "System Setup" in the Owner’s Manual) and restore the settings you recorded in step 1. 10 Properly dispose of...