Lenovo Y650 IdeaPad Y650 User Guide V1.0 - Page 55
Sound problems, Battery problems
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Y650 User Guide V1.0_en.book Page 47 Tuesday, December 16, 2008 2:59 PM Chapter 4. Troubleshooting Sound problems No sound can be heard from the speaker even when the volume is turned up. Make sure that: The Mute function is off. The headphone jack is not used. Speakers is selected as a playback device. Battery problems Your computer shuts down before the battery status indicator shows empty. -orYour computer operates after the battery status indicator shows empty. Discharge and recharge the battery. The operating time for a fully charged battery is short. For details, see "Handling the battery" in Chapter 2. The computer does not operate with a fully charged battery. The surge protector in the battery might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again. 47