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Lenovo 59RF0035 manual Troubleshooting Sound problems, Battery problems, A hard disk drive problem

Models: 59RF0035 S400U

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Chapter 6. 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 combo audio jack is not used.

-The speaker is selected as the playback device.

Battery problems

Your computer shuts down before the battery status indicator shows empty. -or-

Your computer operates after the battery status indi- cator shows empty.

The computer does not operate with a fully charged battery.

•Discharge and recharge the 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.

A hard disk drive problem

The hard disk drive does	• In the Boot menu in BIOS setup utility, make sure
not work.	that the hard disk drive is included in the UEFI
	correctly.

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Lenovo 59RF0035, S400U manual Troubleshooting Sound problems, Battery problems, A hard disk drive problem

Contents

User Guide Lenovo IdeaPad S300/S400/S400u/S405Second Edition August Copyright Lenovo Regulatory NoticeChapter 5. Lenovo OneKey Recovery system ContentsChapter 1. Getting to know your computer Chapter 2. Learning the basicsPage a b c d e f Chapter 1. Getting to know your computerTop view a Integrated b Wireless module antennas c Computer display d Power buttoncamera e Built-in microphoneb Fan louvers Left-side viewc RJ-45 port d HDMI portjack Right-side viewc USB 2.0 port Chapter 1. Getting to know your computerChapter 1. Getting to know your computer Front viewd Battery pack e Speakers a Battery latch - manual b Louvers c Battery latch - spring loadedBottom view Chapter 1. Getting to know your computerInstalling the battery pack „ Connecting to the powerConnecting the computer to an electrical outlet Chapter 2. Learning the basics„ Charging the battery „ Checking battery status„ Removing the battery pack Using AC adapter and batteryChapter 2. Learning the basics „ Handling the batterya Touchpad Using the touchpadb Left-click area c Right-click areaChapter 2. Learning the basics HotkeysChapter 2. Learning the basics „ Setting hotkey modeConnecting external devices „ Using memory cards not suppliedInserting a memory card Removing a memory cardChapter 2. Learning the basics „ Connecting USB devicesChapter 2. Learning the basics „ Connecting Bluetooth enabled devices on select modelsEnabling Bluetooth communications on your computer Chapter 2. Learning the basics „ Novo button aSpecial keys and buttons a Power status indicator b Battery status indicator System status indicatorsThese indicators inform you of the computer status Chapter 2. Learning the basicsIndicator SymbolMeaning status„ Using VeriFace Securing your computer„ Using passwords Chapter 2. Learning the basicsChapter 3. Starting to use Windows Configuring the operating system for the first timeStart screen DesktopThe charms Search charmChapter 3. Starting to use Windows Share charm Settings charmStart charm Devices charmChapter 3. Starting to use Windows „ Putting your computer to sleepPutting the computer to sleep or shutting it down Chapter 3. Starting to use Windows 2 Select Power → Shut down„ Shutting down the computer Chapter 3. Starting to use Windows Help and supportWireless network technology connect without wiring Chapter 4. Connecting to the InternetWired connection „ Hardware connection CableChapter 4. Connecting to the Internet „ Software configurationWi-Fi WiMAX Wireless connectionChapter 4. Connecting to the Internet Enabling wireless connection „ Connecting to wireless LANConnecting to a wireless network Chapter 4. Connecting to the Internet2 Click System Backup Chapter 5. Lenovo OneKey Recovery system„ Backing up the system partition „ Restoring„ Drivers and preinstalled software Chapter 6. TroubleshootingFrequently asked questions What safety precautions should I follow when using my computer?„ BIOS setup utility „ Lenovo OneKey Recovery systemChapter 6. Troubleshooting Where are the recovery discs?„ Getting help When do I need to change the boot mode?How can I contact the customer support center? Chapter 6. TroubleshootingChapter 6. Troubleshooting TroubleshootingDisplay problems Sleep problems Chapter 6. Troubleshooting BIOS password problemsChapter 6. Troubleshooting Display panel problemsA hard disk drive problem Chapter 6. Troubleshooting Sound problemsBattery problems Chapter 6. Troubleshooting Other problems Trademarks Page Lenovo China V2.0en-US