Lenovo 6437, 6438, 6436, 6435 manual Solving problems

Page 65

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

 

 

 

The monitor has screen jitter, or

1.

If the monitor self-tests show that the monitor is working correctly, consider the

the screen image is wavy,

 

location of the monitor. Magnetic fields around other devices (such as

unreadable, rolling, or distorted.

 

 

transformers, appliances, fluorescent lights, and other monitors) can cause

 

 

 

 

screen jitter or wavy, unreadable, rolling, or distorted screen images. If this

 

 

happens, turn off the monitor.

 

 

Attention: Moving a color monitor while it is turned on might cause screen

 

 

discoloration.

 

 

Move the device and the monitor at least 305 mm (12 in.) apart, and turn on

 

 

the monitor.

 

 

Notes:

 

 

a. To prevent diskette drive read/write errors, make sure that the distance

 

 

 

between the monitor and any external diskette drive is at least 76 mm (3

 

 

 

in.).

 

 

b. Non-Lenovo monitor cables might cause unpredictable problems.

 

2. Reseat the following components:

 

 

v

Monitor cable

 

 

v Remote Supervisor Adapter II SlimLine (if one is installed)

 

3. Replace the following components one at a time, in the order shown, restarting

 

 

the server each time:

 

 

a.

Monitor cable

 

 

b.

Monitor

 

 

c. Remote Supervisor Adapter II SlimLine (if one is installed)

 

 

d. (Trained service technician only) System board

 

 

 

Wrong characters appear on the

1.

If the wrong language is displayed, update the BIOS code with the correct

screen.

 

language.

 

 

 

2. Reseat the monitor cable.

 

3. Replace the following components one at a time, in the order shown, restarting

 

 

the server each time:

 

 

a.

Monitor

 

 

b. (Trained service technician only) System board

 

 

 

 

Chapter 5. Solving problems 51

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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 Installation guidelines Installing optional devicesSystem reliability guidelines Working inside the server with the power onRemoving the cover Handling static-sensitive devicesInstalling 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 Connecting the cables Installing the coverRear Updating the server configurationFront view Server controls, LEDs, and powerRear view Turning off the server Server power featuresTurning on the server Page Configuring the server Using the ThinkServer EasyStartup program Using ThinkServer EasyManage products Using the LSI Logic Configuration Utility program Using the Configuration/Setup Utility programConfiguring the Gigabit Ethernet controllers Using the baseboard management controllerPage Post beep codes Solving problemsDiagnostic tools overview Documentation DVD Post error codesDefault 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 CD or DVD drive problems Troubleshooting tablesPage USB keyboard, mouse, or pointing-device problems Intermittent problemsPage Microprocessor problems Memory problemsMonitor problems Solving problems Optional-device problems Power problems EasyStartup problems Serial-device problemsSoftware problems Video problems Universal Serial Bus USB device problemsBefore you call Using the documentationAppendix A. Getting help and technical assistance Page Purchasing additional services Lenovo product service Using other servicesPage Appendix B. Notices Important notes TrademarksWaste electrical and electronic equipment Weee notices For the European Union Battery return programIndustry Canada Class a emission compliance statement German Ordinance for Work gloss statementGerman Class a compliance statement Avis de conformité à la réglementation dIndustrie CanadaEuropean Union EMC Directive conformance statement Appendix B. Notices Page SAS Sata IndexSAS Index Page Page Part Number 46U0855
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6435, 6436, 6437, 6438 specifications

Lenovo has continuously pushed the boundaries of technology with its innovative offerings in the laptop segment. Among its diverse portfolio, the Lenovo 6438, 6437, 6435, and 6436 models stand out due to their advanced features and robust performance, catering to both professional and everyday users.

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