Power System Checkout - Lenovo IdeaPad S100 Hardware Maintenance Manual

The following is a list of some common items that are not covered under
warranty and some symptoms that might indicate that the system was subjected
to stress beyond normal use.
Before checking problems with the computer, determine whether the damage is
covered under the warranty by referring to the following list:
The following are not covered under warranty:
• LCD panel cracked from the application of excessive force or from being
• Scratched (cosmetic) parts
• Distortion, deformation, or discoloration of the cosmetic parts
• Plastic parts, latches, pins, or connectors that have been cracked or broken
• Damage caused by liquid spilled into the system
• Damage caused by the improper insertion of a PC Card or the installation of
• Improper disc insertion or use of an optical drive
• Diskette drive damage caused by pressure on the diskette drive cover, for-
• Damaged or bent diskette eject button
• Fuses blown by attachment of a nonsupported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid onto the keyboard
• Use of an incorrect AC adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted
activities:
• Missing parts might be a symptom of unauthorized service or modification.
• If the spindle of a hard disk drive becomes noisy, it may have been subjected

Power system checkout

To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Make sure that power is supplied when you turn on the computer.
5. Turn off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Make sure that the battery pack supplies power when you turn on the
If you suspect a power problem, see the appropriate one of the following power
supply checkouts:
• "Checking the AC adapter" on page 19
• "Checking operational charging" on page 19
• "Checking the battery pack" on page 19
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Lenovo IdeaPad S100 Hardware Maintenance Manual
dropped
by excessive force
an incompatible card
eign material in the drive, or the insertion of a diskette with multiple labels
to excessive force, or dropped.
computer.