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| P870/P875 |
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| Problem | Procedure |
| The battery depletes | If Sleep and Charge function is enabled, the |
| quickly even when I | computer's battery will discharge during |
| turned OFF the | hibernation or when the computer is turned off. |
| power of the | Connect the AC adaptor to the computer or disable |
| computer. | |
| the Sleep and Charge function. | |
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| External devices | Some external devices may not work when |
| connected to the | connected to a compatible port if the Sleep and |
| compatible ports do | Charge function is enabled. |
| not work when | Reconnect the external device after turning the |
| connected to a | |
| computer ON. | |
| compatible port. | |
| If the external device still does not work, connect | |
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| device to an USB port that does not have the |
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| Sleep and Charge function or change to disable |
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| the Sleep and Charge function. |
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| The "USB Wakeup | When Sleep and Charge function is enabled, the |
| function" does not | "USB WakeUp" function does not work for ports |
| work. | that support the Sleep and Charge function. |
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| In that case, use an USB port that does not have |
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| the USB Sleep and Charge function or change to |
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| disable Sleep and Charge function. |
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In addition to the information in this section, please also refer to the documentation supplied with your audio device.
Problem | Procedure |
No sound is heard | Adjust the volume. |
| Press the hot keys to increase or decrease |
| volume. |
| Check the software volume settings. |
| Please check to see if Mute is turned to Off |
| Check to make sure the headphone connection is |
| secure. |
| Check within the Windows Device Manager |
| application to ensure the sound device is enabled |
| and that the device is properly working. |
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User's Manual |