Lenovo R50 manual My screen goes blank while the computer is on

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Solving computer problems

If the power-on password prompt does not appear, the brightness level might be set to minimum brightness. Adjust the brightness level by pressing Fn+Home.

If the screen still remains blank, make sure that:

vThe battery is installed correctly.

vThe ac adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

vThe computer power is on. (Turn on the power switch again for confirmation.)

If these items are properly set, and the screen remains blank, have the computer serviced.

Problem:

When I turn on the machine, nothing appears on the screen, but I hear two or more beeps.

Solution:

Make sure that the memory card is installed correctly. If it is, but the screen is still blank, and you hear five beeps, have the computer serviced.

If you hear 4 cycles of 4 beeps each, the Security Chip has a problem.

Have the computer serviced.

Problem:

When I turn on the machine, only a white pointer appears on a blank screen.

Solution:

Reinstall your operating system, and turn on the computer. If you still see only the pointer on the screen, have the computer serviced.

Problem:

My screen goes blank while the computer is on.

Solution

Your screen saver or power management may be enabled. Do one of the following to exit from the screen saver or to resume from standby or hibernation mode:

vTouch the TrackPoint or the touch pad.

vPress a key.

vPress the power switch

Problem:

The DOS full-screen looks smaller.

Solution:

If you use a DOS application that supports only 640×480 resolution (VGA mode), the screen image might look slightly distorted or appear smaller

18ThinkPad® R50 Series Service and Troubleshooting Guide

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Contents ThinkPad R50 Series Service and Troubleshooting Guide Page ThinkPad R50 Series Service and Troubleshooting Guide Page Contents Iv ThinkPad R50 Series Service and Troubleshooting Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries Heat and product ventilation CD and DVD drive safety Additional safety informationTo Connect Xii ThinkPad R50 Series Service and Troubleshooting Guide Important safety information Laser compliance statement Important safety information Xvi ThinkPad R50 Series Service and Troubleshooting Guide Important regulatory notice for users Important notice for usersInformation about hard disk capacity Xviii ThinkPad R50 Series Service and Troubleshooting Guide Finding information with Access IBM XixXx ThinkPad R50 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Front view Your ThinkPad at a glanceRear view Features Features Specifications Important tips Be careful about where and how you work Caring for your ThinkPad computerBe gentle with your computer Carry your computer properlyHandle storage media and drives properly Take care in setting passwordsOther important tips Cleaning the cover of your computer Cleaning your computer keyboardCleaning your computer display Care for the fingerprint readerCaring for your ThinkPad computer Solving computer problems Diagnosing problems TroubleshootingError messages Click PC-DoctorSolving computer problems Solving computer problems Solving computer problems Select Security -IBM Predesktop Area -Access IBM Predesktop Problem Errors without messagesSolution My screen goes blank while the computer is on Power switch problem Password problemKeyboard problems UltraNav problems Standby or hibernation problems If these items are correct, have the computer serviced Select Timer Wake with Battery Operation by pressing Enter Computer screen problems Click Power ManagementBattery problems Click AdvancedHard disk drive problems Startup problem Fingerprint authentication problems Other problems Solution Problem Starting Bios Setup Utility Starting Bios Setup Utility Recovering pre-installed softwareRecovering pre-installed software Upgrading the hard disk driveUpgrading the hard disk drive Handling a hard disk driveUpgrading the hard disk drive Replacing the battery Replacing the battery Replacing the battery Getting help and service Getting help and service Getting help on the Web Calling the Customer Support CenterFRU Getting help around the world Wireless interoperability Appendix A. Wireless related informationUsage environment and your health Authorized Operation Within the United States and Canada Enabling Extended Channel Mode ThinkPad R50 Series Service and Troubleshooting Guide Appendix B. Warranty information Lenovo Statement of Limited WarrantyWhat this Warranty Covers Part 1 General TermsHow to Obtain Warranty Service What this Warranty Does not CoverWhat Lenovo Will Do to Correct Problems Exchange of a Machine or Part Your Additional ResponsibilitiesLimitation of Liability Governing LawPart 2 Country-unique Terms Mexico ParaguayPeru UruguayUnited States Asia Pacific AustraliaCambodia and Laos CAMBODIA, INDONESIA, and LaosIndia Japan MalaysiaNEW Zealand PEOPLE’S Republic of China PRCSingapore EUROPE, Middle EAST, Africa EmeaGoverning Law Arbitration The following is added under this heading European Union EU ConsumersThinkPad R50 Series Service and Troubleshooting Guide Egypt Following Terms Apply to the Country Specified AustriaFrance Hungary GermanyIreland Items for Which Lenovo is Not Liable SlovakiaUnited Kingdom Part 3 Warranty Information Warranty PeriodTypes Types Types of Warranty Service Customer Replaceable Unit ″CRU″ ServiceOn-site Service Courier or Depot ServiceCustomer Carry-In or Mail-In Service CRU and On-site ServiceWorldwide telephone list Country or Region Telephone Number Country or Region Telephone Number Guarantee supplement for Mexico ThinkPad R50 Series Service and Troubleshooting Guide Appendix C. Customer Replacement Units CRUs Customer replaceable units CRUsThinkPad R50 Series Service and Troubleshooting Guide Appendix D. Notices Television output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement European Union EMC Directive conformance statementHandling a disused ThinkPad battery pack Disposing of a disused lithium batteryEnvironmental notices for Japan IBM Lotus Software Offer Latin American Countries U. S. Or CanadaEuropean Countries Trademarks Asia Pacific CountriesThinkPad R50 Series Service and Troubleshooting Guide Index ThinkPad R50 Series Service and Troubleshooting Guide Page Part Number 39T2400

R50 specifications

The Lenovo R50, a part of Lenovo's essential ThinkPad series, was introduced as a reliable and robust laptop designed primarily for business users and professionals. This model showcases Lenovo’s commitment to quality, performance, and ergonomics, making it a popular choice among corporate users and students alike.

One of the main features of the Lenovo R50 is its durable design. It sports a sturdy chassis that meets military-grade specifications for durability, protecting it from unexpected shocks and drops. The ThinkPad series is well-known for its spill-resistant keyboards, a feature that enhances the R50’s practical usability in dynamic work environments.

Performance-wise, the R50 is typically powered by Intel’s Pentium or early-core processors, providing sufficient power for everyday tasks such as word processing, spreadsheet management, and browsing. The device can come equipped with various memory configurations, often available with up to 2GB of RAM and either conventional hard drives or early solid-state drives, facilitating quicker system performance and improved access times.

The Lenovo R50 also emphasizes connectivity and expansion. It features multiple USB ports, a serial port, and a PC Card slot for adding functionalities. Ethernet and modem ports ensure reliable wired connections, while Wi-Fi capabilities enhance mobility.

Display quality is another appealing aspect of the R50, featuring a 15-inch screen that offers a native resolution typically of 1024x768 or higher, yielding a decent visual experience for document editing and presentations. The anti-glare coating assists in maintaining visibility under varying light conditions, an important factor for users working outdoors or in bright office spaces.

Another significant characteristic of the R50 is its renowned keyboard. Lenovo’s ThinkPad keyboards are legendary for their tactile feedback and comfort, which significantly enhances the typing experience. The keyboard also includes a TrackPoint, allowing for precise cursor control without needing to shift hands from the keyboard.

In terms of software, the Lenovo R50 usually runs on Windows operating systems, providing users with a familiar interface and access to a vast array of applications suitable for business and personal use.

Overall, the Lenovo R50 stands out for its blend of durability, performance, and user-centric features, making it a trustworthy companion for anyone seeking a reliable laptop to manage their daily tasks efficiently.
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