Lenovo 4223, 4228 Monitor problems, Pointer on the screen does not move smoothly with the mouse

Page 105

•If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See “Enabling or disabling a device” on page 69.

If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 101 for instructions). If you need technical assistance, see Chapter 12 “Getting information, help, and service” on page 103.

The pointer on the screen does not move smoothly with the mouse

Symptom: The pointer on the screen does not move smoothly with the mouse.

Action: Erratic movement of the mouse pointer is generally caused by a buildup of dirt, oils, and other contaminants on the ball inside the mouse. Clean the mouse. See “Optical mouse” on page 83 for instructions.

The wireless keyboard does not work

Symptom: The wireless keyboard does not work.

Action: If the Transceiver Communications LED is on and the wireless Keyboard does not work, restart your computer. If restarting your computer does not solve the problem, verify that the following conditions are met:

•The batteries are properly installed.

•The batteries still retain their current.

•The wireless Keyboard is located less than ten meters away from the transceiver.

•The transceiver is fully installed.

Action: If the Transceiver Communications LED is not on, reconnect the transceiver and the keyboard.

Monitor problems

Note: Many monitors have status-indicator lights and built-in controls for adjusting brightness, contrast, width, height, and other picture adjustments. However, the controls vary from monitor type to monitor type. For information about the status lights and using the controls, refer to the documentation that comes with your monitor.

Select your symptom from the following list:

•“Wrong characters appear on the screen” on page 93

•“The monitor works when you turn on the computer, but goes blank after some period of computer inactivity” on page 94

•“The monitor works when you turn on the computer, but goes blank when you start some application programs” on page 94

•“The image appears to be flickering” on page 94

•“The image is discolored” on page 95

Wrong characters appear on the screen

Symptom: Wrong characters appear on the screen.

Action: Have the computer serviced. For details, see Chapter 12 “Getting information, help, and service” on page 103.

Chapter 11. Troubleshooting and diagnostics 93

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Contents ThinkStation User Guide First Edition April Copyright Lenovo Contents Using the Setup Utility Program Appendix A. System memory Speed 107 Appendix B. Notices 109 Iv ThinkStation User Guide Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationPower supply statement Cleaning and maintenanceLaser compliance statement ThinkStation User Guide Product overview FeaturesSystem management features Input/Output I/O featuresConnectivity Security features Power supplyPreinstalled software programs Preinstalled operating systemDimensions SpecificationsSoftware provided by Lenovo Software overviewThinkVantage Rescue and Recovery Adobe Reader Antivirus softwareLocations Front connector, control, and indicator locations Connector Description Locating connectors on the rear of your computerLocating components ConnectorSystem board part locations Locating parts on the system boardProduct overview Drive bay locations Locating internal drivesMachine type and model label Machine type and model labelThinkStation User Guide Frequently asked questions Using your computerUsing the keyboard Using Windows shortcut keysUsing the wheel mouse Using the blue ThinkVantage buttonAdjusting audio About your computer audioSetting the volume from Control Panel Setting the volume from the desktopUsing CDs and DVDs Adding the volume icon to the taskbarRecording a CD or DVD Playing a CD or DVDYou and your computer Accessibility and comfortArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Replacement power cords Register your computer with LenovoMoving your computer to another country or region ThinkStation User Guide Security features SecurityLocking the computer cover Locking the computer cover Installing a padlockInstalling a padlock Using passwords Bios passwordsAttaching an integrated cable lock Windows passwords Using and understanding firewallsProtecting data against viruses ThinkStation User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing the computer coverWhat to do next Removing and reinstalling the front bezelOpening the PCI card retainer Installing or replacing a PCI cardRemoving a PCI card Installing or replacing a memory module Removing the memory fan duct Removing a memory module Installing a memory module Installing or replacing the optical driveRemoving the optical drive Installing the optical drive retainer Replacing the card reader Connecting the optical driveRemoving the card reader Installing the card reader Replacing the batteryRemoving the old battery Replacing the heat sink and fan assemblyRemoving the heat sink and fan assembly Replacing the hard disk drive fan assembly Removing the hard disk drive fan assembly Replacing the rear fan assemblyRemoving the rear fan assembly Installing the rear fan assembly Installing or replacing a hard disk driveRemoving the hard disk drive Installing the hard disk drive into the bracket Installing the hard disk drive Removing the hard disk drive enablement module Installing or replacing a hard disk drive enablement moduleInstalling a new hard disk drive enablement module Replacing the front audio and USB assemblyReplacing the internal speaker Removing the internal speaker Replacing the keyboard or mouseConnecting the USB keyboard or mouse Completing the parts replacementObtaining device drivers ThinkStation User Guide Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems Recovery information ThinkStation User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Power-On Password Password considerationsAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing Cmos Enabling or disabling a deviceSelecting a startup device Enabling ErP compliance mode and Deep Sx Selecting a temporary startup deviceSelecting or changing the startup device sequence Exiting the Setup Utility program ThinkStation User Guide Configuring RAID Configuring RAID with Intel RSTeInstalling Sata or SAS hard disk drives Entering the Intel RSTe configuration utility RAID Level Resetting hard disk drives to non-RAIDInstalling Sata or SAS hard disk drives Entering the LSI MegaRAID Bios configuration utility Setting the hot spare hard disk drive Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Downloads and drivers Using System Update Preventing problemsKeeping your computer current Getting the latest device drivers for your computerBasics Computer Cleaning your computerKeyboard Optical mouseGood maintenance practices Cleaning a glass-screen surfaceMoving your computer Basic troubleshooting Troubleshooting and diagnosticsTroubleshooting Troubleshooting procedureNo audio in Windows Audio problemsCD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems CD or DVD does not workBlack screen instead of DVD video No audio or intermittent audio while playing DVD movie DVD movie will not playPlayback is very slow or choppy Invalid disc or no disc found messageHard disk drive problems Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Mouse or pointing device does not workWireless keyboard does not work Monitor problemsPointer on the screen does not move smoothly with the mouse Wrong characters appear on the screenImage appears to be flickering Ethernet problems Networking problemsImage is discolored Your computer cannot connect to the networkOption problems Wake on LAN feature is not workingAdapter stops working for no apparent reason An option that was just installed does not work Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive spaceExcessive number of fragmented files Printer problems Serial port problemsInsufficient memory Software does not work as expected Software problemsLenovo Solution Center USB problemsThinkStation User Guide Getting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other servicesThinkStation User Guide 107 Appendix A. System memory speedThinkStation User Guide 109 Appendix B. NoticesTrademarks Export classification notice Appendix C. Regulatory informationElectronic emissions notices Federal Communications Commission Declaration of ConformityThinkStation User Guide Additional regulatory information ThinkStation User Guide Important information for the European Directive 2002/96/EC Appendix D. Weee and recycling informationRecycling information 115Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union ThinkStation User Guide 119 IndexInstalling options memory module PCI card 121 ThinkStation User Guide
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4229, 4223, 4228 specifications

Lenovo has long been recognized for its commitment to producing high-quality computing solutions, and the ThinkPad line is no exception. Among its various models, the Lenovo ThinkPad series 4228, 4223, and 4229 stand out for their robust features and reliable performance, making them ideal choices for business and professional use.

The Lenovo ThinkPad 4228 series is engineered with a focus on durability and performance. One of its key features is the powerful Intel Core processor range, which ensures that users can manage demanding applications and multitask efficiently. Alongside this, the device typically comes equipped with ample RAM, providing speed and responsiveness that enhances productivity.

Moving to the ThinkPad 4223, it streamlines user experience with advanced connectivity options. The inclusion of multiple USB ports, HDMI, and Ethernet capabilities allows for seamless integration with various devices and networks. The 4223 model often houses a backlit keyboard, enabling users to work effortlessly in low-light environments. This model puts a strong emphasis on portability, making it a reliable companion for professionals on the move.

The ThinkPad 4229 takes connectivity a step further by offering options like Wi-Fi 6 and Bluetooth, ensuring fast and stable connections whether in the office or on the go. This model is often equipped with a higher resolution display, contributing to a better viewing experience for video conferencing and presentations. Its extended battery life is a notable feature, allowing users to remain productive without the constant need for recharging.

All three models in the 422x series boast Lenovo’s robust security features, including fingerprint readers and TPM (Trusted Platform Module), which safeguard sensitive data against unauthorized access. Furthermore, the reputation of Lenovo ThinkPads for their exceptional keyboard layout ensures that users can type comfortably over extended periods, reducing strain and increasing efficiency.

In summary, the Lenovo ThinkPad 4228, 4223, and 4229 models represent a blend of power, durability, and user-friendly design. With their focus on connectivity, performance, and security, these laptops cater perfectly to the needs of professionals and businesses, confirming Lenovo's status as a leading manufacturer in the world of computing technology. Whether you need a rugged workhorse for heavy tasks or a portable device for meetings, the ThinkPad series provides versatile solutions to meet any requirement.
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