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®
ThinkPad R50 Series
Service and Troubleshooting Guide
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® ThinkPad R50 Series Service and Troubleshooting Guide
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Note Before using this information and the product it supports, be sure to read the general information under “Important safety information” on page v, Appendix A, “Wireless related information,” on page 43, Appendix B, “Warranty information,” on page 47, and Appendix D, “Notices,” on page 77. First Edition (May 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our product
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Contents Important safety information . . . . . .v Upgrading the hard disk drive . . . . . .33 Conditions that require immediate action . .v Replacing the battery . . . . . . . . .36 General safety guidelines . . . . . . . .vi Service . . . . . . . . . . . . .vi Chapter 3. Getting help and service . . .39 Power cords and power adapters . . . . vii Getting help and service . . . . . . . .40 Extension cords and related devices . . . viii Getting help on the Web . . . . . . . .40
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® iv ThinkPad R50 Series Service and Troubleshooting Guide
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Important safety information Note Please read important safety information first. This information can help you safely use your ThinkPad computer. Follow and retain all information included with your ThinkPad computer. The information in this document does not alter the terms of your purchase agreement or the Lenovo Statement of Limited Warranty. Customer safety is important to Lenovo. Our products are developed to be safe and effective. However, personal computers are electronic d
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Or, they might indicate a potential safety issue. However, do not take risks or attempt to diagnose the situation yourself. Frequently inspect your computer and its components for damage or wear or signs of danger. If you have any question about the condition of a component, do not use the product. Contact the Customer Support Center or the product manufacturer for instructions on how to inspect the product and have it repaired, if necessary. For a list of Service and Support phone numb
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Note: Some parts can be upgraded or replaced by the customer. These parts are referred to as Customer Replaceable Units, or CRUs. Lenovo 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 source before you attempt the replaceme
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Always connect power cords and signal cables in the correct order and ensure that all power cord connectors are securely and completely plugged into receptacles. Do not use any power adapter that shows corrosion at the ac input pins and/or shows signs of overheating (such as deformed plastic) at the ac input or anywhere on the power adapter. Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to ha
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mobile products such as ThinkPad notebook PCs utilize a rechargeable battery pack to provide system power when in portable mode. Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts. Never attempt to open or service any battery. Do not crush, puncture, or incinerate batteries or short circuit the metal contacts. Do not expose the battery to water or other liquids. Only recharge the battery pack strictly
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Always turn off and unplug the computer before opening the cover. If possible, avoid operating your computer within 2 feet of high-traffic areas. If you must operate your computer in or near a high-traffic area, you should inspect and, if necessary, clean your computer more frequently. For your safety and to maintain optimum computer performance, always follow these basic precautions with your desktop computer: v Keep the cover closed whenever the computer is plugged in. v Regularly
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ToConnect ToDisconnect Turn everything OFF. Turn everything OFF. First, remove the power cord First, attach all cables to from the devices. outlet. Remove signal cables from receptacles. Attach the signal cables to receptacles. Remove all cables from devices. Attach the power cord to an outlet. Turn the device ON. Important safety information xi
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DANGER Reduce the risk of fire and electric shock by always following basic safety precautions, including the following: v Do not use your computer in or near water. v During electrical storms: – Do not use your computer with the telephone cable connection. – Do not connect the cable to or disconnect it from the telephone outlet on the wall. DANGER The battery pack should be stored at room temperature, charged to approx. 30 to 50 % of capacity. We recommend that batt
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DANGER If the backup battery is incorrectly replaced, there is danger of explosion. The lithium battery contains lithium and can explode if it is not properly handled or disposed of. Replace only with a battery of the same type. To avoid possible injury or death, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100 °C (212 °F), or (3) attempt to repair or disassemble it. Dispose of it as required by local ordinances or regulations and your compan
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DANGER To reduce the risk of fire, electrical shock, or injury when using telephone equipment, always follow basic safety precautions, such as: v Never install telephone wiring during an electrical storm. v Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. v Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. v Use caution when installing or modi
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DANGER Do not open the optical storage drive unit; no user adjustments or serviceable parts are inside. Use of controls, adjustments, or the performance of procedures other than those specified might result in hazardous radiation exposure. Class 1 laser products are not considered hazardous. The design of the laser system and the optical storage drive ensures that there is no exposure to laser radiation above a Class 1 level during normal operation, user maintenance, or servicing.
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® xvi ThinkPad R50 Series Service and Troubleshooting Guide
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Important notice for users Important regulatory notice for users The ThinkPad R50 Series computer complies with the radio frequency and safety standards of any country or region in which it has been approved for wireless use. You are requested to install and use your ThinkPad computer in strict accordance with the local RF regulations. Before you use the ThinkPad R50 Series computer, please find and read Regulatory Notice for ThinkPad R50 Series, the notice that supplements this Serv
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® xviii ThinkPad R50 Series Service and Troubleshooting Guide
