Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 20AQ004JUS, 20AQ006HUS manual Replacing the keyboard, Danger

Models: 20AQ004JUS 20AQ006HUS

1 177

Download 177 pages 61 Kb

Page 97

Image 97

12. Turn the computer over again. Connect the ac power adapter and all cables.

Replacing the keyboard

Before you start, print these instructions.

DANGER

During electrical storms, do not connect the cable to or disconnect it from the telephone outlet on the wall.

DANGER

Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot.

To remove the keyboard, do the following:

1.Disable the built-in battery. See “Disabling the built-in battery” on page 67.

2.Close the computer display, and turn the computer over.

3.Remove the external battery pack. See “Replacing the external battery pack” on page 69.

4.Find the keyboard multi-tool in the shipping package of the new keyboard. The following illustration shows a keyboard multi-tool.

Chapter 6. Replacing devices 81

Page 97

Image 97

Lenovo 20AQ004JUS, 20AQ006HUS manual Replacing the keyboard, Danger

Contents

ThinkPad T440s User Guide“Important safety information” on page Appendix E “Notices” on page Safety, Warranty, and Setup Guide Regulatory NoticeChapter 2. Using your computer ContentsChapter 5. Recovery overview Read this firstChapter 9. Preventing problems Chapter 8. Advanced configurationChapter 10. Troubleshooting computer problemsAppendix C. Restriction of Hazardous Substances Directive RoHS Appendix B. WEEE and recycling statementsAppendix D. ENERGY STAR model information Appendix E. Notices iv User Guide Read this first Protect yourself from the heat generated by the ac power adapterProtect yourself from the heat that your computer generates Prevent your computer from getting wetProtect your computer and data when moving it Important safety informationHandle your computer gently Carry your computer carefullyService and upgrades Safety guidelinesConditions that require immediate action Hazardous moving parts. Keep fingers and other body parts away Power cords and power adaptersDANGER Extension cords and related devices Power supply statementPlugs and outlets DANGERRechargeable battery notice General battery noticeReplace only with a battery of the type recommended by Lenovo Keep the battery pack away from fireNotice for built-in rechargeable battery Notice for lithium RTC batteryKeep it away from children Do not drop the battery pack DANGER Danger of explosion if battery is incorrectly replaced Do notAirflow temperatures into the computer should not exceed 35C 95F Electrical current safety informationKeep the cover closed whenever the computer is plugged in Regularly inspect the outside of the computer for dust accumulationLiquid crystal display LCD notice Using headphones or earphones3. Attach signal cables to connectors 4. Attach power cords to outlets 5. Turn devices ONNotice for users in the U.S.A Additional safety informationDANGER Chapter 1. Product overview Locating computer controls, connectors, and indicatorsFront view Camera on some modelsMicrophones Power buttonFingerprint reader on some models ThinkPad pointing device 5 TrackPoint pointing stickUSB 3.0 connector Audio connectorRight-side view SIM card tray on some modelsVideo Graphics Array VGA connector Ethernet connectorSecurity-lock slot Connect the computer to a LAN with the Ethernet connectorMini DisplayPort connector Power connectorAlways On USB connector Left-side viewDocking station connector on some models External battery packBottom view Smart card slot on some modelsSpeakers Emergency reset holeKeyboard drainage holes Fn Lock indicator Status indicatorsSpeaker mute indicator Microphone mute indicatorMachine type and model information Locating important product informationFCC ID and IC Certification information Certificate of Authenticity information Genuine Microsoft label FeaturesMicroprocessor MemorySecurity feature GPS and wireless featuresStorage device DisplayPower source ac power adapter SpecificationsBattery status Operating environmentAccessing Lenovo programs from the Lenovo ThinkVantage Tools program Accessing Lenovo programs on the Windows 7 operating systemAccessing Lenovo programs from Control Panel Lenovo programsTable 2. Programs in Control Panel Accessing Lenovo programs on the Windows 8 operating systemClient Security Solution Access ConnectionsLenovo program overview Active Protection SystemLenovo Settings Lenovo Mobile AccessLenovo Solution Center Password ManagerSystem Update Rescue and Recovery18 User Guide Frequently asked questions Chapter 2. Using your computerRegistering your computer Can I get my user guide in another language?How do I get connected in different locations? How do I use battery power more effectively when I am on the go?How do I give presentations or attach an external monitor? Press and hold Using the multi-touch screenDrag Swipe or slideTouch gestures touch models only TasksMouse actions To view the recently used applicationsTouch gestures touch models only TasksMouse actions Function keys and key combinations Special keysWindows key Using the ThinkPad pointing deviceUsing the multi-touch trackpad Using the TrackPoint pointing stickCustomizing the ThinkPad pointing device 2. Click Hardware and Sound Mouse ThinkPadChecking the battery status Power managementReplacing the cap Enabling the battery alarm on the Windows 7 operating system Using the ac power adapter2. Click the Global Power Settings tab Connecting the ac power adapterManaging the battery power Maximizing the battery lifePower-saving modes Screen blank mode for Windows 7 onlyHibernation mode Handling the battery2. Click Administrative Tools Wireless offDo not expose it to excessive heat Do not expose it to water or rain Connecting to the networkDo not short-circuit it Store it in a cool dry place Keep it away from childrenUsing the wireless LAN connection Wireless connectionsEthernet connections For WindowsChecking the wireless LAN connection status Tips for using the wireless LAN featureAccess Connections gauge status Access Connections icon statusTips for using the wireless WAN feature Using the wireless WAN connectionChecking the wireless WAN connection status Access Connections gauge statusUsing the Bluetooth connection Changing display settingsUsing the NFC connection 3. Select Send To Bluetooth DevicesUsing an external monitor Connecting a projector or an external monitorConnecting an external monitor Setting the external monitor typeConsiderations for connecting an external monitor Using a DVI monitor12. Clear the Show compatible hardware check box 3. Select Multiple DisplaysUsing dual displays Setting up a presentationUsing the mini DisplayPort connector Considerations for connecting a DVI monitorConsiderations for using the Extend desktop function Using audio featuresUsing a flash media card Using the cameraConfiguring camera settings Inserting a flash media cardRemoving a flash media card 2. Click Hardware and Sound42 User Guide Chapter 3. You and your computer Accessibility and comfortErgonomic information Comfort Accessibility informationWhat if you are traveling? Questions about vision?Travel tips Traveling with your computerAssistive technologies Screen-reader technologiesTravel accessories Typing passwords Using passwordsPower-on password Setting, changing, or removing a power-on password48 User Guide Supervisor passwordSetting, changing, or removing a supervisor password Hard disk passwordsUser hard disk password Setting a hard disk password Master hard disk passwordChanging or removing a hard disk password 50 User GuideHard disk security Tips on using the hard disk passwordsUsing Windows BitLocker Drive Encryption Setting the security chipSetting the security chip Disk Encryption hard disk drive and Encryption solid-state driveTips on using the security chip Using the fingerprint readerEnrolling your fingerprints To swipe your finger over the fingerprint reader, do the following Swiping your finger over the fingerprint reader1. Placethe top joint of your fingeron the sensor Setting the fingerprint reader Indicator behavior of the fingerprint readerMaintaining the fingerprint reader Protecting data against viruses Using firewalls58 User Guide Recovery overview for the Windows 7 operating system Chapter 5. Recovery overviewCreating and using recovery media Creating recovery mediaUsing recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspace3. Click the Restore your system from a backup icon Rescue files from your hard disk drive or from a backupUsing a rescue medium Creating and using a rescue mediumCreating a rescue medium 62 User GuideReinstalling preinstalled programs Reinstalling preinstalled programs and device driversReinstalling preinstalled device drivers Recovery overview for the Windows 8 operating system Solving recovery problemsResetting your computer to the factory default settings Refreshing your computerRecovering your operating system if Windows 8 fails to start Using the advanced startup optionsCreating and using recovery media Creating recovery media66 User Guide Using recovery media3. Go to Config Power Disable Built-in Battery Disabling the built-in batteryChapter 6. Replacing devices Static electricity prevention68 User Guide Installing or replacing the SIM cardChapter 6. Replacing devices Replacing the external battery packReplace only with a battery of the type recommended by Lenovo Prerequisites for the procedure DANGERKeep the battery pack away from fire Do not expose it to excessive heat Do not expose it to water or rainReplacing the base cover assembly 72 User Guide Replacing the hard disk drive or solid-state drive6. Remove the hard disk drive or solid-state drive with bracket 8. Install the new hard disk drive or solid-state drive with bracketChapter 6. Replacing devices 74 User Guide Replacing a memory moduleDANGER Replacing the wireless LAN card76 User Guide DANGER9. Pivot the new wireless LAN card downward 7. Carefully remove the wireless LAN card out of the slot1 , and then install the screw to secure the card in place Chapter 6. Replacing devicesDANGER Replacing the wireless WAN cardDANGER 78 User Guide7. Carefully remove the wireless WAN card out of the slot 80 User Guide DANGER Replacing the keyboardDANGER 6. Use the cross end of the multi-tool to loosen the screws Chapter 6. Replacing devices To install the new keyboard, do the following84 User Guide 1. Attach the connectors, and then turn over the keyboardChapter 6. Replacing devices 86 User Guide Replace only with a battery of the type recommended by Lenovo Replacing the RTC batteryKeep the battery pack away from fire DANGERand attach the connector 6. Install the new RTC battery88 User Guide Chapter 7. Enhancing your computer Locating controls and connectors on the ThinkPad docking stationsFinding ThinkPad options ThinkPad docking stationsFront view ThinkPad Basic DockRear view Front view ThinkPad Pro DockChapter 7. Enhancing your computer 92 User Guide Rear viewFront view ThinkPad Ultra DockRear view 94 User Guide Attaching a ThinkPad docking stationDetaching a ThinkPad docking station 96 User Guide Connecting external displays to a docking stationSecurity features 98 User Guide Installing a new operating system Chapter 8. Advanced configurationInstalling the Windows 7 operating system 2. Select Startup Boot to display the Boot Priority Order submenu Installing the Windows 8 operating systemUsing the ThinkPad Setup program Installing device driversMain menu Config menuTable 4. Config menu items continued 104 User Guide Table 4. Config menu items continuedMenu item Table 4. Config menu items continuedTo use this feature, a special Table 4. Config menu items continued106 User Guide Security menu Date and Time menuFor more information, see “Power-on password” unauthorized access, set the user authenticationEnable or disable password authentication. This stored in the fingerprint reader and reset settingsMenu item Table 5. Security menu items continued110 User Guide Table 5. Security menu items continuedStartup menu 1. Turn off the computer Using system management Updating the UEFI BIOSRestart menu Preboot eXecution Environment Setting management featuresDesktop Management Interface Wake on LANDefining a Network Boot sequence Enabling or disabling the Wake on LAN featureChecking the requirements for flash updates 116 User Guide General tips for preventing problems Chapter 9. Preventing problemsMaking sure device drivers are current Getting the latest drivers using System UpdateGetting the latest drivers from the Web site Taking care of your computer Be careful about where and how you workBe gentle with your computer Carry your computer properlyTake care in setting passwords Cleaning the cover of your computerTaking care of the fingerprint reader Register your computerCleaning your computer display Cleaning your computer keyboard122 User Guide Diagnosing problems Chapter 10. Troubleshooting computer problemsTroubleshooting Computer stops respondingSpills on the keyboard Error messagesIf you spill something on your computer Chapter 10. Troubleshooting computer problems Errors without messagesBeep errors Networking problems Memory module problemsEthernet problems A wireless WAN problem A wireless LAN problemBluetooth problems SolutionTrackPoint pointing device problems Problems with the keyboard and other pointing devicesKeyboard problems 2. Open Control Panel and click Hardware and Sound Sound PlaybackComputer screen problems Problems with the display and multimedia devices4. Click Advanced Settings 5. Click Advanced Settings External monitor problems1. Open Control Panel 2. Click Hardware and Sound Audio problems4. Double-click Sound, video and game controllers 2. Click the Realtek HD Manager iconBattery and power problems Fingerprint reader problemsBattery problems 2. Click Hardware and SoundPower problems An ac power adapter problem134 User Guide Boot problems A power button problemSleep and hibernation problems Hard disk drive problems Problems with drives and other storage devicesA solid-state drive problem Problems with ports and connectors A software problemA USB problem A docking station problem138 User Guide Downloading system updates Getting help and serviceRecording problem symptoms and details Chapter 11. Getting supportLenovo Support Web site Using diagnostic programsCalling Lenovo Telephone numbers Purchasing additional services142 User Guide Wireless interoperability Wireless related informationAppendix A. Regulatory Information Wireless LAN antenna auxiliary and Wireless WAN antenna auxiliary Locations of the UltraConnect wireless antennasWireless WAN antenna main and Wireless LAN antenna main Usage environment and your healthExport classification notice Locating wireless regulatory noticesElectronic emission notices Federal Communications Commission Declaration of ConformityDeutschsprachiger EU Hinweis German Class B compliance statementDeutschland Korea Class B compliance statement Lenovo product service information for TaiwanJapan VCCI Class B compliance statement Eurasian compliance mark148 User Guide Important WEEE information Appendix B. WEEE and recycling statementsRecycling information for Japan Collecting and recycling a disused Lenovo computer or monitorBattery recycling information for Taiwan Battery recycling information for BrazilDisposing of a disused battery pack from Lenovo notebook computers Disposing of Lenovo computer componentsBattery recycling information for the United States and Canada Battery recycling information for the European UnionAppendix B. WEEE and recycling statements 152 User Guide European Union RoHS Appendix C. Restriction of Hazardous Substances Directive RoHSChina RoHS India RoHS Turkish RoHS154 User Guide Ukraine RoHS1. Click Start Control panel Appendix D. ENERGY STAR model information2. Click Hardware and Sound Device Manager 6. Clear the Allow this device to wake the computer check box 5. Click the Power Management tab156 User Guide Lenovo United States, Inc 1009 Think Place - Building One Appendix E. NoticesMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Page