Checkout Guide; Lenovo Solution Center; Quick Test Programs - Lenovo ThinkPad Yoga 12 Hardware Maintenance Manual

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
• 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 power 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.
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard
disk drive might have been dropped or subject to excessive force.

Checkout guide

Use the following procedures as a guide in identifying and correcting problems with the ThinkPad notebook
computers.
Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products,
prototype cards, or modified options can lead to false indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as possible.
2. Verify the symptoms. Try to re-create the failure by running the diagnostic test or by repeating the
operation.

Lenovo Solution Center

The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It
combines diagnostic tests, system information collection, security status, and support information, along
with hints and tips for maximum system performance.
The Lenovo Solution Center program is available for download at http://www.lenovo.com/diags.
To run the Lenovo Solution Center program, go to Control Panel and click System and Security ➙ Lenovo -
System Health and Diagnostics, and then follow the instructions on the screen.
For more information about the Lenovo Solution Center program, refer to the help information system
of the program.

Quick test programs

Run the following quick test programs to troubleshoot and resolve computer problems, especially when the
computer does not have the Lenovo Solution Center program installed.
• Lenovo Hard Drive Quick Test
• Lenovo Memory Quick Test
• Lenovo Wireless Quick Test
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Hardware Maintenance Manual