Lenovo Portable Computer User Manual
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including removing original hardware or adding new hardware, without
authority from Lenovo licensed agencies.
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Lenovo has no warranty on the usability or reliability of any devices or
software that are not provided by Lenovo or its affiliates.
4.2 Troubleshooting
4.2.1 The computer does nothing when you turn it on.
Please do as follows:
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See if the AC adapter and its power cord are well connected to the
computer and power outlet.
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Check the battery’s power status (some battery has a power
self-checking button). See if the battery interface is defiled or if the
power cord plug is defiled.
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Use the battery and AC power to power the computer respectively. Turn
the computer on to see is the power indicator is on.
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If you the methods above do not work, please contact Lenovo licensed
service agencies.
4.2.2 You can turn on the computer but can not start the system.
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If you hear a series of beeps, it means that there are system errors.
Please contact Lenovo licensed service agencies.
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If the computer shows the screen of logo, but cannot boot the operating
system or reports errors when the system is booted, please see if there is
a floppy disk in the floppy drive.
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If the computer shows the screen of logo, but cannot boot the operating
system or reports errors when the system is booted, please restore the
operating system.
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Enter the BIOS Setup Utility, restore it settings to default configuration
