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Lenovo S400U, 59RF0035 „ Lenovo OneKey Recovery system, „ BIOS setup utility, Troubleshooting

Models: 59RF0035 S400U

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Chapter 6. Troubleshooting

Lenovo OneKey Recovery system

Where are the recovery discs?

Your computer did not come with recovery discs. Use Lenovo OneKey Recovery system if you need to restore system to the factory status.

What can I do if the backup process fails?

If you can start backup but it fails during the backup process, try the following steps:

1Close all open programs, then restart the backup process.

2Check if the destination media is damaged. Select another path and then try again.

When do I need to restore the system to the factory status?

Use this feature when the operating system fails to start up. If there is critical data on the system partition, back it up before starting recovery.

BIOS setup utility

What is BIOS setup utility?

The BIOS setup utility is ROM-based software. It communicates basic computer information and provides options for setting boot devices, security, hardware mode, and other preferences.

How can I start the BIOS setup utility?

To start the BIOS setup utility:

1Shut down the computer.

2Press the Novo button and then select BIOS Setup.

How can I change the boot mode?

There are two boot modes: UEFI and Legacy. To change the boot mode, start the BIOS setup utility and set boot mode to UEFI or Legacy support on the boot menu.

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Lenovo S400U manual „ Lenovo OneKey Recovery system, „ BIOS setup utility, Troubleshooting, Where are the recovery discs?

Contents

Lenovo IdeaPad S300/S400/S400u/S405 User GuideRegulatory Notice Second Edition August Copyright LenovoContents Chapter 5. Lenovo OneKey Recovery systemChapter 1. Getting to know your computer Chapter 2. Learning the basicsPage Chapter 1. Getting to know your computer Top viewa b c d e f b Wireless module antennas c Computer display d Power button a Integratedcamera e Built-in microphoneLeft-side view b Fan louversc RJ-45 port d HDMI portRight-side view jackc USB 2.0 port Chapter 1. Getting to know your computerFront view Chapter 1. Getting to know your computera Battery latch - manual b Louvers c Battery latch - spring loaded d Battery pack e SpeakersBottom view Chapter 1. Getting to know your computer„ Connecting to the power Installing the battery packConnecting the computer to an electrical outlet Chapter 2. Learning the basics„ Checking battery status „ Charging the battery„ Removing the battery pack Using AC adapter and battery„ Handling the battery Chapter 2. Learning the basicsUsing the touchpad a Touchpadb Left-click area c Right-click areaHotkeys Chapter 2. Learning the basics„ Setting hotkey mode Chapter 2. Learning the basics„ Using memory cards not supplied Connecting external devicesInserting a memory card Removing a memory card„ Connecting USB devices Chapter 2. Learning the basics„ Connecting Bluetooth enabled devices on select models Enabling Bluetooth communications on your computerChapter 2. Learning the basics „ Novo button a Special keys and buttonsChapter 2. Learning the basics System status indicators a Power status indicator b Battery status indicatorThese indicators inform you of the computer status Chapter 2. Learning the basicsSymbol IndicatorMeaning statusSecuring your computer „ Using VeriFace„ Using passwords Chapter 2. Learning the basicsConfiguring the operating system for the first time Chapter 3. Starting to use WindowsStart screen DesktopSearch charm Chapter 3. Starting to use WindowsThe charms Settings charm Share charmStart charm Devices charm„ Putting your computer to sleep Putting the computer to sleep or shutting it downChapter 3. Starting to use Windows 2 Select Power → Shut down „ Shutting down the computerChapter 3. Starting to use Windows Help and support Chapter 3. Starting to use WindowsChapter 4. Connecting to the Internet Wireless network technology connect without wiringWired connection „ Hardware connection Cable„ Software configuration Chapter 4. Connecting to the InternetWireless connection Chapter 4. Connecting to the InternetWi-Fi WiMAX „ Connecting to wireless LAN Enabling wireless connectionConnecting to a wireless network Chapter 4. Connecting to the InternetChapter 5. Lenovo OneKey Recovery system 2 Click System Backup„ Backing up the system partition „ RestoringChapter 6. Troubleshooting „ Drivers and preinstalled softwareFrequently asked questions What safety precautions should I follow when using my computer?„ Lenovo OneKey Recovery system „ BIOS setup utilityChapter 6. Troubleshooting Where are the recovery discs?When do I need to change the boot mode? „ Getting helpHow can I contact the customer support center? Chapter 6. TroubleshootingTroubleshooting Display problemsChapter 6. Troubleshooting Chapter 6. Troubleshooting BIOS password problems Sleep problemsDisplay panel problems Chapter 6. TroubleshootingChapter 6. Troubleshooting Sound problems Battery problemsA hard disk drive problem Chapter 6. Troubleshooting Other problems Trademarks Page V2.0en-US Lenovo China