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 “Appendix C. Lenovo limited 
warranty” on page 71.
How can I install the device drivers?
A compatible device driver is a requirement to ensure correct operation 
and performance of each component in your computer. If your computer 
is pre-installed with an operating system, Lenovo provides all the driver 
you need in your hard disk.
What can I do if the backup process fails?
If you can start the backup feature without a problem, but it fails during 
the backup process, please try the following steps:
1Close other applications, then restart the backup process.
2Check if the destination media is damaged, try to select another path
and then try again. 
						

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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:
- The battery is installed correctly. 
- The AC adapter is connected to the computer and 
the power cord is plugged into a working electrical 
outlet.
- The computer power is on. (Press the power 
button again for confirmation.)
- The memory is installed correctly. 
If these items are properly set, and the screen 
remains blank, have the computer serviced. 
When I turn on the 
computer, only a white 
cursor appears on a blank 
screen. Restore backed-up files to your Windows 
environment or the entire contents of your hard disk 
to the original factory contents using OneKey 
Recovery. If you still see only the cursor on the 
screen, have the computer serviced. 
						

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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 servicer or a 
marketing representative to have the password 
changed. 
If you forget your HDD password, a Lenovo 
authorized servicer cannot reset your password or 
recover data from the hard disk. You must take your 
computer to a Lenovo authorized servicer or a 
marketing representative to have the hard disk drive 
replaced. Proof of purchase is required, and a fee will 
be charged for parts and service. 
If you forget your supervisor password, a Lenovo 
authorized servicer cannot reset your password. You 
must take your computer to a Lenovo authorized 
servicer or a marketing representative to have the 
system board replaced. Proof of purchase is 
required, and a fee will be charged for parts and 
service. 
						

							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, and care 
Information” on page 58.
Note:If the battery is charged and the temperature is within range, have the computer 
serviced. 
						

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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 connect the AC 
adapter to the computer, then press any key or the 
power button.
If your computer is in hibernation mode or power-off 
state. Connect the AC adapter to the computer, then 
press the power button to resume operation.
Note:If the system still does not return from sleep mode, your system has stopped 
responding, and you cannot turn off the computer, reset the computer. However, 
unsaved data may be lost. To reset the computer, press and hold the
 power button 
for 4 seconds or more. If the computer is still not reset, remove the AC adapter and 
the battery. 
						

							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 display device driver is installed correctly.
- The screen resolution and color quality are 
correctly set. 
- The monitor type is correct.
Incorrect characters appear 
on the screen.Did you install the operating system or application 
program correctly? If they are installed and 
configured correctly, have the computer serviced. 
						

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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 
short. For details, see “Handling the battery” in Chapter 2. 
The computer does not 
operate with a fully charged 
battery.The surge protector in the battery might be active. 
Turn off the computer for one minute to reset the 
protector, then turn on the computer again.
The battery does not 
charge.For details, see “Handling the battery” in Chapter 2.
A hard disk drive problem
The hard disk drive does 
not work.In the Boot menu in BIOS Setup Utility, make sure 
that the hard disk drive is included in the Boot 
Order correctly. 
						

							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 drive).
Fail to restore system 
partition to factory default.The system partition, such as the partition size or the 
drive capacity of C, has been modified.
Other problems
The computer does not 
respond.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 and the battery. 
Your computer might lock when it enters sleep mode 
during a communication operation. 
The computer does not 
start from the desired 
device. 
See the Boot menu of BIOS Setup Utility. Make sure 
that Boot Order in 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 
BIOS Setup Utility, make sure that the device is 
included in the Boot Order list. 
						

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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.