Lenovo U410, 59351627, 59343695, N580, 59RF0029, 4376XC2, U310 manual Other problems

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Other problems

Your computer does not respond.

The computer does not start from a device you want.

The connected external device does not work.

Chapter 5. Troubleshooting

•To turn off your computer, press and hold the power 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.

•See the Boot menu of the BIOS setup utility. Make sure that the Boot Priority Order 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 Boot Priority Order list.

•Press Fn + F12 (when HotKey Switch is set to Hotkey Mode) or F12 (when HotKey Switch is set to Legacy Mode) when the Lenovo logo appears on the screen while the computer is starting up 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 Regulatory Notice First Edition January Copyright Lenovo Contents Page Top view Getting to know your computer„ U310 Getting to know your computer „ U410Speakers Getting to know your computer IntegratedTouchpad Left-side view Microphone Built-inBuilt-in microphone Combo audio jack Right-side viewGetting to know your computer Hdmi port Front view U310 U410Bottom view Louvers „ Configuring the operating system „ Conncting to the powerLearning the basics „ Reading the manualsLearning the basics „ Shutting down your computerPutting your computer into sleep state „ Battery Protection „ Checking battery status„ Charging the battery Touchpad Left-click area Right-click area Using the touchpadFn + End Using the keyboard„ Function key combinations „ Hotkeys Using hotkeys Setting hotkey mode Removing a memory card „ Using memory cards not suppliedInserting a memory card „ Connecting USB devices Enabling Bluetooth communications on your computer „ Connecting Bluetooth enabled device on select modelsSpecial keys and buttons „ OneKey Rescue system button aPower status indicator Battery status indicator System status indicatorsLearning the basics Symbol Indicator Meaning Status Securing your computer „ Using passwords„ Hardware connection Connecting to the InternetWired connection Connecting to the Internet „ Software configurationHardware connection Software configurationWireless connection OneKey Rescue system OneKey Rescue system„ Introduction OneKey Rescue system „ Creating a recovery discsInsert additional recordable discs when prompted Frequently asked questions TroubleshootingWhere can I find warranty information? TroubleshootingDisplay problems Troubleshooting Sleep or hibernation problems Troubleshooting Password problemsWork Computer screen problemsBattery problems Troubleshooting Sound problemsHard disk drive problem Startup problemOther problems Trademarks Page New World. New Thinking.TM

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