Lenovo 6438, 6437, 6436, 6435 manual Monitor problems

Page 64

Monitor problems

Some monitors have their own self-tests. If you suspect a problem with your monitor, see the documentation that comes with the monitor for instructions for testing and adjusting the monitor.

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

 

Testing the monitor

1.

Make sure that the monitor cables are firmly connected.

 

 

2.

Try using a different monitor on the server, or try testing the monitor on a

 

 

different server.

 

3.

Run the diagnostic programs (see the Hardware Maintenance Manual ). If the

 

 

monitor passes the diagnostic programs, the problem might be a video device

 

 

driver.

 

4.

(Trained service technician only) Replace the system board.

 

 

 

The screen is blank.

1.

If the server is attached to a KVM switch, bypass the KVM switch to eliminate it

 

 

 

as a possible cause of the problem: connect the monitor cable directly to the

 

 

correct connector on the rear of the server.

 

2.

Make sure that:

 

 

v The server is turned on. If there is no power to the server, see “Power

 

 

problems” on page 53.

 

 

v The monitor cables are connected correctly.

 

 

v The monitor is turned on and the brightness and contrast controls are

 

 

adjusted correctly.

 

 

v Only a single beep sounds when the server is turned on.

 

 

Important: In some memory configurations, the 3-3-3 beep code might sound

 

 

during POST, followed by a blank monitor screen. If this occurs and the Boot

 

 

Fail Count option in the Start Options of the Configuration/Setup Utility

 

 

program is enabled, you must restart the server three times to reset the

 

 

configuration settings to the default configuration (the memory connector or

 

 

bank of connectors is enabled).

 

3.

Make sure that the correct server is controlling the monitor, if applicable.

 

4.

Make sure that damaged BIOS code is not affecting the video; see “Recovering

 

 

from BIOS update failure” in the Hardware Maintenance Manual .

 

5.

See “Solving undetermined problems” in the Hardware Maintenance Manual .

 

 

 

The monitor works when you

1.

Make sure that:

turn on the server, but the

 

v The application program is not setting a display mode that is higher than the

screen goes blank when you

 

 

capability of the monitor.

start some application

 

 

v You installed the necessary device drivers for the application.

programs.

 

 

2.

Run video diagnostics (see the Hardware Maintenance Manual ).

 

 

v If the server passes the video diagnostics, the video is good; see “Solving

 

 

undetermined problems” in the Hardware Maintenance Manual .

 

 

v (Trained service technician only) If the server fails the video diagnostics,

 

 

replace the system board.

 

 

 

50ThinkServer RS110 Types 6435, 6436, 6437, and 6438: Installation Guide

Image 64
Contents Installation Guide Page Installation Guide Page Contents Page Safety Page To Connect To Disconnect Do not Safety Statement Safety Page Introduction Hardware and software requirements Features and specifications Drives Major components of the server Inch models Dimm System board 13 Operator information panel assembly System-board optional-device connectors Page Installing optional devices Installation guidelinesWorking inside the server with the power on System reliability guidelinesHandling static-sensitive devices Removing the coverInstalling a memory module Installing a hard disk drive Installing a simple-swap Serial ATA hard disk drive Installing a hot-swap hard disk drive Installing an adapter Expansion-slot cover Page Adapter bracket Installing an IBM Remote Supervisor Adapter II SlimLine Mounting bracket Completing the installation Installing the cover Connecting the cablesUpdating the server configuration RearServer controls, LEDs, and power Front viewRear view Turning on the server Server power featuresTurning off the server Page Configuring the server Using the ThinkServer EasyStartup program Using ThinkServer EasyManage products Using the Configuration/Setup Utility program Using the LSI Logic Configuration Utility programUsing the baseboard management controller Configuring the Gigabit Ethernet controllersPage Diagnostic tools overview Solving problemsPost beep codes Post error codes Documentation DVDDefault Settings, and save Maintenance Manual on Abbreviated list of Post error codes Only Replace Abbreviated list of Post error codes Abbreviated list of Post error codes Troubleshooting tables CD or DVD drive problemsPage Intermittent problems USB keyboard, mouse, or pointing-device problemsPage Memory problems Microprocessor problemsMonitor problems Solving problems Optional-device problems Power problems Serial-device problems EasyStartup problemsSoftware problems Universal Serial Bus USB device problems Video problemsAppendix A. Getting help and technical assistance Using the documentationBefore you call Page Using other services Purchasing additional services Lenovo product servicePage Appendix B. Notices Trademarks Important notesWaste electrical and electronic equipment Weee notices Battery return program For the European UnionGerman Ordinance for Work gloss statement Industry Canada Class a emission compliance statementEuropean Union EMC Directive conformance statement Avis de conformité à la réglementation dIndustrie CanadaGerman Class a compliance statement Appendix B. Notices Page Index SAS SataSAS Index Page Page Part Number 46U0855
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