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Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
What to do rst
When you do return an FRU, you must include the following information in the
parts exchange form or parts return form that you attach to it:
1. Name and phone number of servicer
2. Date of service
3. Date on which the machine failed
4. Date of purchase
5. Procedure index and page number in which the failing FRU was detected
6. Failing FRU name and part number
7. Machine type, model number, and serial number
8. Customer’s name and address
Note for warranty: During the warranty period, the customer may be
responsible for repair costs if the computer damage was caused by misuse,
accident, modification, unsuitable physical or operating environment, or
improper maintenance by the customer.
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 •
dropped
Scratched (cosmetic) parts•
Distortion, deformation, or discoloration of the cosmetic parts•
Plastic parts, latches, pins, or connectors that have been cracked or broken •
by excessive force
Damage caused by liquid spilled into the system•
Damage caused by the improper insertion of a PC Card or the installation of •
an incompatible card
Improper • disc insertion or use of an optical drive
Diskette drive damage caused by pressure on the diskette drive cover, •
foreign material in the drive, or the insertion of a diskette with multiple labels
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 modication. •
If the spindle of a hard disk drive becomes noisy, it may have been subjected •
to excessive force, or dropped.