Lenovo S103 Owners Manual

Chapter 5. Troubleshooting
37
Where are the recovery discs?
Your computer did not come with a recovery disc. For an explanation of 
the alternative recovery methods offered by Lenovo, see “Chapter 4. 
OneKey Rescue system” on page 33.
How can I contact the customer support center?
See “Appendix A. Getting help and service” on page 53 of this guide. 
Where can I find warranty information?
For the warranty applicable to your computer, including the warranty 
period and type of warranty service, see...

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Chapter 5. Troubleshooting
When do I need to restore the system to the factory status?
You can use this feature when your system fails or you need to re-install 
your operating system. This will restore your computer back to the initial 
status when you first booted up your computer after receiving it from 
the store. If there is critical data on your current partition, back it up 
before you run this recovery feature. 

Chapter 5. Troubleshooting
39
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
If you do not find your problem here, see Chapter 2. The following section only 
describes problems that might negate the need to refer to the more 
comprehensive information in Chapter 2.
Display problems
When I turn on the compu-
ter, nothing appears on the 
screen.If the screen is blank, make sure that:
-...

40
Chapter 5. Troubleshooting
My screen goes blank while 
the computer is on.Your screen saver or power management may be 
enabled. Do one of the following to exit from the 
screen saver or to resume from sleep or hibernation 
mode:
- Touch the touchpad.
- Press any key on the keyboard.
- Press the power button.
-Press Fn+F2 to confirm whether the LCD screen 
has been turned off.
A Password problem
I forgot my password.If you forget your user password, you must take 
your computer to a Lenovo authorized...

Chapter 5. Troubleshooting
41
Sleep or hibernation problems
The computer enters sleep 
mode unexpectedly.If the processor overheats, the computer automatically 
enters sleep mode to allow the computer to cool and to 
protect the processor and other internal components. 
Check the settings for sleep mode.
The computer enters sleep 
mode immediately after 
Power-on self-test (POST). Make sure that: 
- The battery is charged.
- The operating temperature is within the acceptable 
range. See “Appendix B. Use,...

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Chapter 5. Troubleshooting
The critical low-battery error 
message appears, and the 
computer immediately turns 
off.The battery power is getting low. Connect the AC 
adapter to the computer, or replace the battery with 
a fully charged one.
The computer does not 
return from sleep mode and 
does not work. If the computer does not return from sleep mode, it 
may have entered hibernation mode automatically 
because the battery is depleted. Check the power 
indicator. 
If your computer is in sleep mode...

Chapter 5. Troubleshooting
43
Computer screen problems
The screen is blank. Do the following:
- If you are using the AC adapter, or using the 
battery, and the battery status indicator is on, press 
Fn + ↑ to make the screen brighter.
- If the Power indicator is blinking, press the power 
button to resume from the sleep mode.
- If the problem persists, follow the solution in the 
following problem “The screen is unreadable or 
distorted.”
The screen is unreadable or 
distorted.Make sure that: 
- The...

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Chapter 5. Troubleshooting
Sound problems
No sound can be heard 
from the speaker even 
when the volume is turned 
up.Make sure that:
- The Mute function is off.
- The headphone jack is not used.
- Speakers are selected as the playback device. 
Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty.
-or-
Your computer operates 
after the battery status 
indicator shows empty.Discharge and recharge the battery.
The operating time for a 
fully charged battery is...

Chapter 5. Troubleshooting
45
A startup problem
The Microsoft® Windows 
operating system does not 
start.Use the OneKey Rescue system to help solve or 
identify your problem. For details on the OneKey 
Rescue system, see “Chapter 4. OneKey Rescue 
system” on page 33.
OneKey Rescue system problems
Backup cannot be made.You are not currently using a Windows operating 
system.
There is not enough space to store the backed up 
data. You will need to free more hard disk space on 
your system partition (C...

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Chapter 5. Troubleshooting
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 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.