Alarm Sound Cannot Be Played on DeviceManager

Symptom

• Symptom 1: A user logs in to the DeviceManager on Chrome (earlier than Chrome 57) running on a Windows XP system, and the alarm sound is enabled. However, no alarm sound is played when an alarm is generated.

• Symptom 2: A user cannot enable the alarm sound on Chrome 57 to 71. The browser reports that the Adobe Flash Player was blocked.

Alarm Information

None

Possible Causes

• The Flash Player of Chrome earlier than 57 has a compatibility issue with Windows XP.
• The Adobe Flash Player of Chrome 57 to 71 is outdated and blocked by Chrome.

Procedure

1. The Flash Player of Chrome earlier than 57 has a compatibility issue with Windows XP.
   1. Download the Flash Player from Adobe's official website and install it.
   2. Restart Chrome, type chrome://plugins in the address box, and press Enter. The following page is displayed, as shown in Figure 4-4. If the Flash Player is installed correctly, two Flash Player plug-ins are displayed. The one that ends with pepflashplayer.dll in Location is Chrome's built-in Flash Player, while the other is the newly installed one.
      Figure 4-4 Flash Player plug-ins
      
   3. Disable Chrome's built-in Flash Player (clicking Disable) and enable the newly installed one, as shown in Figure 4-5.
      Figure 4-5 Enabling Flash Player
      
   4. Press F5 to refresh the DeviceManager. On the home page, click the bell button to enable the alarm sound function.
   5. Check whether the system plays the alarm sound correctly.
      • If yes, no further action is required.
      • If no, keep the fault environment intact and contact Huawei technical support.

2. The Adobe Flash Player of Chrome 57 to 71 is outdated and blocked by Chrome.
   1. Click Update plugin or Run this time.
   2. Check whether the system plays the alarm sound correctly.
      • If yes, no further action is required.
      • If no, keep the fault environment intact and contact Huawei technical support.