Lenovo U310, U410 manual Troubleshooting Other problems

Page 46
Chapter 6. Troubleshooting

Chapter 6. Troubleshooting

Other problems

Your computer does not

To turn off your computer, press and hold the power

respond.

button for 4 seconds or more. If the computer still

 

does not respond, remove the AC adapter.

 

Your computer might lock when it enters sleep mode

 

during a communication operation. Disable the sleep

 

timer when you are working on the network.

The computer does not start from a device you want.

The connected external device does not work.

See the Boot menu of the BIOS setup utility. Make sure that the UEFI in the BIOS setup utility is set so that the computer starts from the device you want.

Also make sure that the device from which the computer starts is enabled. In the Boot menu in the BIOS setup utility, make sure that the device is included in the UEFI list.

While powered-off, press Novo button to select the device you want the computer starts from.

Do not connect or disconnect any external device cables other than USB while the computer power is on; otherwise, you might damage your computer.

When using a high power consumption external devices such as an external USB optical disk drive, use external device power adapter. Otherwise, the device may not be recognized, or system shut down may result.

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Contents Lenovo IdeaPad U310/U410 User GuideRegulatory Notice Third Edition August Copyright LenovoChapter 1. Getting to know your computer ContentsChapter 5. Lenovo OneKey Recovery system Chapter 4. Connecting to the InternetPage Top view Chapter 1. Getting to know your computer„ U310 a b c d g e f„ U410 a b c dg e fa Integrated b Computer display c Wireless module antennas d Power buttone System status indicators camerab Fan louvers Left-side viewc d e c RJ-45 portmicrophone g Built-inf Combo audio Connects to headphones or headsets. The combo audio e c f g d Right-side viewa Built-in microphone b Combo audio jack c USB portg RJ-45 port f HDMI portThis port connects the computer to an Ethernet network U410 U310Front view Bottom view a Louvers Allow air to enter the computer for coolingChapter 2. Learning the basics „ Conncting to the powerConnecting the computer to an electrical outlet „ Reading the manuals„ Battery Protection „ Checking battery status„ Charging the battery Chapter 2. Learning the basicsa Touchpad b Left-click area c Right-click area Using the touchpadNote You can enable/disable the touchpad by pressing d „ Function key combinations Using the keyboardFn + End „ Hotkeys Using hotkeys Setting hotkey mode Inserting a memory card „ Using memory cards not suppliedConnecting external devices Removing a memory card„ Connecting USB devices „ Connecting Bluetooth enabled device on select models Enabling Bluetooth communications on your computer„ Novo button a Special keys and buttonsa Power status indicator b Battery status indicator System status indicatorsThese indicators inform you of the computer status Meaning SymbolIndicator status„ Using passwords Securing your computerStart screen Configuring the operating system for the first timeChapter 3. Starting to use Windows DesktopChapter 3. Starting to use Windows Search charmThe charms Start charm Settings charmShare charm Devices charm„ Putting your computer to sleep Putting the computer to sleep or shutting it down2 Select Power → Shut down „ Shutting down the computerHelp and support „ Hardware connection Chapter 4. Connecting to the InternetWireless network technology connect without wiring Wired connection„ Software configuration Chapter 4. Connecting to the InternetWireless connection Wi-Fi WiMAXConnecting to a wireless network Enabling wireless connection„ Connecting to wireless LAN „ Backing up the system partition Chapter 5. Lenovo OneKey Recovery system2 Click System Backup „ RestoringFrequently asked questions Chapter 6. Troubleshooting„ Drivers and preinstalled software What safety precautions should I follow when using my computer?Chapter 6. Troubleshooting „ Lenovo OneKey Recovery system„ BIOS setup utility Where are the recovery discs?„ Getting help When do I need to change the boot mode?How can I contact the customer support center? Troubleshooting Display problemsChapter 6. Troubleshooting BIOS password problems Sleep problemsDisplay panel problems Battery problems Chapter 6. Troubleshooting Sound problemsA hard disk drive problem Chapter 6. Troubleshooting Other problems Trademarks Page V3.0en-US Lenovo China
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