• use of certain external peripheral products
• use of battery power instead of AC power without changing factory pre-set power management settings
• use of certain multimedia games or videos with special effects
• use of standard telephone lines or low speed network connections
• use of complex modeling software, such as high end computer aided design applications
• use of computer in areas with low air pressure (high altitude >1,000 meters or >3,280 feet above sea level)
• use of computer at temperatures outside the range of 5°C to 35°C (41°F to 95° F) or >25°C (77°F) at high altitude (all temperature references are approximate).

Under some conditions, your computer product may automatically shut-down. This is a normal protective feature designed to reduce the risk of lost data or damage to the product when used outside recommended conditions. To avoid risk of lost data, always make back-up copies of data by periodically storing it on an external storage medium. For optimum performance, use your computer product only under recommended conditions. Read additional restrictions under "Environmental Conditions" in your product Resource Guide. Contact Toshiba Technical Service and Support for more information.