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Battery problems

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

-or-

Your computer operates 
after the battery status 
indicator shows empty.

Recharge the battery.

Other problems

Your computer does not 
respond.

To turn off your computer, press and hold the Power 
key for eight seconds or more. If the computer still 
does not respond, remove 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.

The connected external 
device does not work. 

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

Chapter 4. Troubleshooting

28

Summary of Contents for 81BV008FUS

Page 1: ...tant tips in the included manuals before using your computer Lenovo ideapad 720S 13IKB ideapad 720S Touch 13IKB ideapad 720S 13ARR User Guide Read the safety notices and important tips in the included manuals before using your computer ...

Page 2: ...u The features described in this guide are common to most models Some features may not be available on your computer or your computer may include features that are not described in this user guide The illustrations used in this manual are for Lenovo ideapad 720S Touch 13IKB unless otherwise stated The illustrations in this manual may differ from the actual product The screenshots of operating syst...

Page 3: ...rating system for the first time 10 Operating system interfaces 10 Putting the computer to sleep or shutting it down 14 Touch screen operation ideapad 720S Touch 13IKB 16 Connecting to a wireless network 20 Get help from Windows 21 Chapter 3 Recovery system 22 Push button reset 22 Chapter 4 Troubleshooting 24 Frequently asked questions 24 Troubleshooting 26 Trademarks 29 ...

Page 4: ......

Page 5: ... not open the display panel beyond 175 degrees When closing the display panel be careful not to leave pens or any other objects in between the display panel and the keyboard Otherwise the display panel may be damaged Note The dashed areas indicate parts that are not visible externally ...

Page 6: ... The touch pad functions as a conventional mouse Touch pad To move the pointer on the screen slide your fingertip over the pad in the direction in which you want the pointer to move Touch pad buttons The functions of the left right side correspond to those of the left right mouse button on a conventional mouse Note You can enable disable the touch pad by pressing F6 f Power Key Press this key to t...

Page 7: ...nables disables camera Increases the volume level Locks unlocks the LCD screen Enables disables microphone Enables the external projector or dangles the external display Refreshes page Decreases display brightness Enables disables the touch pad Increases display brightness Note If you changed the Hotkey Mode from Enabled to Disabled in the BIOS setup utility you will need to press the Fn key in co...

Page 8: ...se of the function keys you can change operational features instantly To use this function press and hold Fn a then press one of the function keys b a b The following describes the features of each function key Fn Space on select models Adjusts the keyboard backlight dim bright off ...

Page 9: ...ur computer 5 Left side view ideapad 720S 13IKB ideapad 720S Touch 13IKB c b d a ideapad 720S 13ARR c b d a a AC power adapter jack Type C port This jack can be used as both AC power adapter jack and Type C port supporting USB 3 0 ...

Page 10: ...s to white Slow blinking white The battery has between 20 and 80 charge and is still charging When the battery reaches 80 charge the light will stop blinking Solid white The battery has more than 80 charge charging will continue until the battery is fully charged c USB 3 0 port Connects to USB devices Note For details see Connecting USB devices on page 7 d Type C port Type C port supports USB 3 0 ...

Page 11: ... Windows detects a new device after it has been connected and then installs the driver automatically However some devices may require you to install the driver before connecting Check the documentation provided by the device s manufacturer before connecting the device Before disconnecting a USB storage device make sure your computer has finished transferring data to that device Click the Safely Re...

Page 12: ... combo audio jack does not support conventional microphones The recording function may not be supported if third party headphones or headsets are connected due to different industry standards c USB 3 0 port Connects to USB devices If the battery charge is more than 20 the USB port with a mark supports charging of an external USB device even when the computer is not connected to power For details s...

Page 13: ...know your computer 9 Bottom view a b b a Ventilation slots Dissipate internal heat Note Make sure that none of the ventilation slots are blocked or else overheating of the computer may occur b Speakers Provide audio output ...

Page 14: ...cedures below Accepting the end user license agreement Configuring the Internet connection Registering the operating system Creating a user account Operating system interfaces The Start menu Windows 10 comes with a powerful and useful start menu To open the start menu do one of the following Select the Start button in the lower left corner the Start menu is displayed Press the Windows key on the k...

Page 15: ... 10 11 The power button is on the Start menu click it you can choose to shut down or restart the computer or put the computer into sleep mode Through the Start menu you can locate all the installed apps or view the frequently used apps ...

Page 16: ...displayed From the ACTION CENTER you can examine important notifications from Windows and your apps Moreover you can change common settings quickly Task View in taskbar In Windows 10 you can add a new desktop and switch between different desktops To add a new desktop do the following Click the Task View icon in the taskbar area ...

Page 17: ...Chapter 2 Starting to use Windows 10 13 Click New desktop To switch between desktops click the Task View icon then select your desired desktop ...

Page 18: ...p mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display lid Press and hold the Power key for about 1 to 4 seconds Move the cursor to the lower left corner and then select the Start button Select Power Sleep Note Put your computer to sleep before you move it Moving your computer while the hard disk drive is sp...

Page 19: ... use your computer for a long time shut it down To shut down your computer do one of the following Move the cursor to the lower left corner and then select the Start button Select Power Shut down Right click the Start button in the lower left corner and select Shut down or sign out Shut down ...

Page 20: ...ouch the screen with one or more fingertips to perform a variety of tasks Frequently used gestures Tasks performed Tap Tap once on an item Performs an action such as starting an app opening a link or performing a command Similar to left clicking with a mouse Press and hold Press your finger down and leave it there for a moment Allows you to see detailed information before selecting an action Can a...

Page 21: ...two fingers together or apart while touching the screen Zooms in and out on visual apps such as pictures and maps Can also jump to the beginning or end of a list Rotate Place two or more fingers on an item and then turn your hand Turns an object Note Not all items can be rotated depending upon the app ...

Page 22: ...our finger across the screen Pans or scrolls through lists and pages Can also move an object or be used to draw or write depending upon the app Similar to pressing and holding to pan and to scrolling with a mouse Frequently used gestures Tasks performed ...

Page 23: ...m any edge of the screen then swipe inwards toward the center Swiping in from the left edge can Bring in and open an app currently running in the background Swipe from the right edge can open theACTION CENTER Chapter 2 Starting to use Windows 10 19 continued ...

Page 24: ...guration page Then toggle the airplane mode switch to Off Connecting to a wireless network After wireless has been enabled the computer will automatically scan for available wireless networks and display them in the wireless network list To connect to a wireless network click the network name in the list and then click Connect Note Some networks require a network security key or passphrase for con...

Page 25: ...21 Get help from Windows If you have a problem with the operating system see the Windows Get Started app To open it do the following Move the cursor to the lower left corner and then select the Start button Select Get Started from All apps ...

Page 26: ...nstalls the factory default configuration and returns all user data and applications to the state of their original Out of Box Experience OOBE Using Push button reset Push button reset can be launched using one of the following methods Novo button Shut down the computer and wait at least five seconds Press the Novo button and then select System Recovery Settings Settings Update security Recovery A...

Page 27: ... Update running on SSD or eMMC only computer models To check your computer 1 Right click the Start button in the lower left corner and select Disk Management 2 The Disk Management program starts If Wim Boot is labeled on the Windows partition as illustrated Compact technology is enabled on your copy of Windows Where can I find drivers for the various hardware devices of my computer If your compute...

Page 28: ...Lenovo limited warranty flyer that came with your computer Drivers and preinstalled software Where are the installation discs for Lenovo preinstalled software desktop software Your computer does not come with installation discs for Lenovo preinstalled software If you need to reinstall any preinstalled software you can find the installation program on the D partition of your hard disk for select mo...

Page 29: ...acy Support To change the boot mode start the BIOS setup utility and set boot mode to UEFI or Legacy Support on the boot menu When do I need to change the boot mode The default boot mode for your computer is UEFI mode If you need to install a legacy operating system such as Windows Linux or Dos etc that is any operating system before Windows 8 on your computer you must change the boot mode to Lega...

Page 30: ...ts original factory contents using Push button reset If you still see only the cursor on the screen have the computer serviced The screen goes blank while the computer is on Your power management is enabled Perform the following to resume from sleep mode Press any key on the keyboard Sleep problems The critical low battery error message appears and the computer immediately turns off The battery po...

Page 31: ...attery and the battery status indicator is on press F12 to make the screen brighter If the power indicator is blinking press the Power key to resume from sleep mode If the problem persists follow the solution in the next problem The screen is unreadable or distorted The screen is unreadable or distorted Make sure that The screen resolution and color quality are correctly set The monitor type is co...

Page 32: ...apter 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 connected external device does not work 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 high power consumption external devices such as an e...

Page 33: ...trademarks of Lenovo in the United States other countries or both Lenovo Microsoft and Windows are trademarks of Microsoft Corporation in the United States other countries or both Other company products or service names may be trademarks or service marks of others ...

Page 34: ...en US Rev RP01 Lenovo China 2017 ...

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