product manufacturer for instructions on how to inspect the product and have it repaired, if necessary. The telephone numbers for your IBM Support Center location are located in the Telephone numbers section of this guide.
In the unlikely event that you notice any of the conditions listed below, or if you have any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you can speak to the IBM Support Center for further guidance.
vPower cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken or damaged.
vSigns of overheating, smoke, sparks or fire.
vDamage to a battery (such as cracks, dents, creases), discharge from a battery, or a buildup of foreign substances on the battery.
vA cracking, hissing or popping sound, or strong odor that comes from the product.
vSigns that liquid has been spilled or an object has fallen onto the computer product, the power cord or power adapter.
vThe computer product, the power cord or power adapter has been exposed to water.
vThe product has been dropped or damaged in any way.
vThe product does not operate normally when you follow the operating instructions.
Note: If you notice these conditions with a
General safety guidelines
Always observe the following precautions to reduce the risk of injury and property damage.
Service
Do not attempt to service a product yourself unless instructed to do so by the IBM Support Center. Use only an IBM authorized service provider who is approved to repair your particular product.
Note: Some parts can be upgraded or replaced by the customer. These parts are referred to as Customer Replaceable Units, or CRUs. IBM expressly identifies CRUs as such, and provides documentation with instructions when it is appropriate for customers to replace those parts. You must closely follow all instructions when performing such replacements. Always make sure that the power is turned off and that the product is unplugged from any power
ivThinkPad® G40 Series Service and Troubleshooting Guide