Lenovo 59387570, 59395752 manual Troubleshooting Other problems, Respond

Page 38

Chapter 4. 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 battery pack and the
	AC power 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.

I need to start the computer from a connected device, but the device does not appear on the boot device list.

The connected external device does not work.

•Check the boot mode setting in the BIOS setup utility. If Boot Mode is set to UEFI, make sure that the device or the medium in the device supports UEFI boot. If the device or the medium in the device does not support UEFI boot, set Boot Mode to Legacy Support. If the device still does not appear in the boot device list, replace with a new device or medium.

•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 device such as an external USB optical disk drive, use an external device power adapter. Otherwise, the device may not be recognized, or system shut down may result.

34

Image 38

Contents Lenovo IdeaPad Flex 14/Flex 14D Flex 15/Flex 15D Regulatory Notice Contents Page Top view Getting to know your computer„ Flex 14/Flex 14D „ Flex 15/Flex 15D Touch pad Touch pad buttons Flex 15/Flex 15D Light sensing hole on select models„ Using the keyboard Numeric keypad Flex 15/Flex 15D„ Hotkeys Fn + PgDn Flex Flex 14D Function key combinationsFlex 14/Flex 14D Flex 15/Flex 15D Fn + PgDn Flex Flex 15D„ Positioning the display panel Notebook Mode Stand Mode Theater ModeGetting to know your computer RJ-45 port Left-side viewVentilation slots Hdmi port„ Connecting USB devices „ Connecting network cables „ Software configurationNovo button Right-side viewUSB ports Removing a memory card „ Using memory cards not suppliedInserting a memory card Front view Speakers Battery packBottom view Starting to use Windows Start screen DesktopSearch charm Starting to use WindowsStart charm Settings charmShare charm Devices charmPutting the computer to sleep or shutting it down „ Putting your computer to sleep„ Shutting down the computer „ Multi-touch gestures Touch screen operationPinch Swipe Connecting to a wireless network Help and support „ Restoring Lenovo OneKey Recovery system„ Backing up the system partition Lenovo OneKey Recovery system „ Finding information Troubleshooting„ Drivers and preinstalled software Troubleshooting „ Lenovo OneKey Recovery system„ Bios setup utility When do I need to change the boot mode? „ Getting helpTroubleshooting Display problemsBios password problems Sleep problemsHard disk drive problem Troubleshooting Sound problemsBattery problems Troubleshooting Other problems RespondTrademarks En-US Rev. RB01