Lenovo 628323U manual Cleaning the cover of your computer

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Carry your computer properly

•Before moving your computer, be sure to remove any media, turn off attached devices, and disconnect cords and cables.

•When picking up your open computer, hold it by the bottom. Do not pick up or hold your computer by the display.

Handle storage media and drives properly

•Store your external and removable hard disk drive in the appropriate containers or packaging when they are not being used.

•Before you install any of the following devices, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the device.

–Memory module

–Mini-PCI card

–Memory card, such as an SD card, SDHC card, SDXC card, and a MultiMediaCard

Note: Not all listed devices are included in your computer.

This action reduces any static electricity from your body. The static electricity could damage the device.

•While transferring data to or from a flash media card, such as an SD card, do not put your computer into sleep mode before the data transfer is complete; otherwise, your data could become damaged.

Register your computer

•Register your ThinkPad computer with Lenovo. For more information, see “Registering your computer” on page 11.

Be sure not to modify your computer

•Only an authorized ThinkPad repair technician should disassemble and repair your computer.

•Do not modify or tape the latches to keep the display open or closed.

Cleaning the cover of your computer

Occasionally clean your computer by doing the following:

1.Prepare a mixture of a gentle kitchen-use detergent (one that does not contain abrasive powder or strong chemicals such as acid or alkaline). Use 5 parts water to 1 part detergent.

2.Absorb the diluted detergent into a sponge.

3.Squeeze excess liquid from the sponge.

4.Wipe the cover with the sponge, using a circular motion and taking care not to let any excess liquid drip.

5.Wipe the surface to remove the detergent.

6.Rinse the sponge with clean running water.

7.Wipe the cover with the clean sponge.

8.Wipe the surface again with a dry, soft, lint-free cloth.

9.Wait for the surface to dry completely and remove any fibers from the cloth.

Cleaning your computer keyboard

To clean the computer keyboard, do the following:

1. Apply some isopropyl rubbing alcohol to a soft, dust-free cloth.

42User Guide

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Contents User Guide Safety, Warranty, and Setup Guide Regulatory Notice Contents Appendix B. Weee and recycling Statements Read this first Protect yourself from the heat that your computer generatesPrevent your computer from getting wet Protect the cables from being damagedImportant safety information Conditions that require immediate actionHandle your computer gently Carry your computer carefullySafety guidelines Service and upgradesPower cords and power adapters Extension cords and related devicesExternal devices Power supply statementPlugs and outlets General battery notice Rechargeable battery noticeElectrical current safety information Heat and product ventilationUsing headphones or earphones Liquid crystal display LCD noticeAdditional safety information Xii User Guide Locating computer controls, connectors, and indicators Product overviewFront view CameraSystem status indicator Power buttonRight-side view MicrophoneUSB 2.0 connector Power status indicatorAc power connector Media card reader slotVGA connector USB 3.0 connectorsEthernet connector Left-side viewBottom view Status indicatorsSystem status indicators User Guide Wireless status indicator Power status indicatorLocating important product information Machine type and model labelFCC ID and IC Certification number label Features SpecificationsPower source ac power adapter Battery packBattery life Operating environmentUsing your computer Frequently asked questionsHow can I use the battery power more effectively? Registering your computerHow do I attach or replace a device? Special keysHow do I give presentations or attach an external monitor? Using the UltraNav pointing device Using the TrackPoint pointing deviceCustomizing the touch pad Using the touch padChanging the cap Power management Checking the battery statusUsing the ac power adapter Connecting the ac power adapterCharging the battery Maximizing the battery lifePower-saving modes Handling the batteryUsing your computer Connecting to a wireless LAN Establishing wireless LAN connectionsGo to Settings Internet connection Wi-Fi network Wireless LAN connection statusConnecting a projector or an external monitor Tips for using the wireless LAN featureConnecting an external monitor Attaching an external monitorUsing a flash media card Using audio featuresUsing the camera Inserting a flash media card Removing a flash media cardUser Guide Ergonomic information Accessibility and comfortYou and your computer Accessibility information ComfortTravel accessories Traveling with your computerTravel tips Assistive technologiesUser Guide Static electricity prevention Replacing the batteryReplacing devices User Guide Before you start, print these instructions User Guide Replacing devices Replacing a memory module Replacing devices Replacing the keyboard Replacing devices Installing the keyboard Replacing devices User Guide Replacing devices User Guide Troubleshooting computer problems Be careful about where and how you workTaking care of your computer Be gentle with your computerCleaning the cover of your computer Cleaning your computer display Computer stops respondingMemory module problems Networking problemsEthernet problems Spills on the keyboardWireless LAN problem Problems with the keyboard and other pointing devicesAn UltraNav pointing device problem SolutionComputer screen problems Keyboard problemsProblems with the display and multimedia devices External monitor problems Audio problemsPower problems Battery and power problemsBattery problems Power button problem Sleep problemsUser Guide Before you contact Lenovo Getting help and serviceGetting support Telephone numbers Lenovo Support Web siteCalling Lenovo Purchasing additional services Finding ThinkPad optionsUser Guide Wireless related information Location of the UltraConnect wireless antennasWireless interoperability Appendix A. Regulatory informationLocating wireless regulatory notices Export classification noticeElectronic emission notices Federal Communications Commission Declaration of ConformityAppendix A. Regulatory information User Guide Appendix B. Weee and recycling statements Important Weee informationUser Guide Power plan Energy Saver settings when plugged into ac power Appendix C. Energy Star model informationUser Guide Appendix D. Notices Trademarks Page Part Number Printed 1P P/N
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