Dell Precision T7400 Quick Reference Guide  - Page 28

Light Pattern Problem Description Suggested Resolution No memory • If two or more memory modules are modules are detected. installed, remove the modules (see "Memory" in your User's Guide), reinstall one module, and then restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error. • If available, install working memory of the same type into your computer (see "Memory" in your User's Guide). • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). System board failure Contact Dell (see "Contacting Dell" in has occurred. your User's Guide). Memory modules are detected, but a memory configuration or compatibility error exists. • Ensure that no special requirements for memory module/connector placement exist (see "Memory" in your User's Guide). • Ensure that the memory you are using is supported by your computer (see "Memory" in your User's Guide). • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). A possible system board resource and/or hardware failure has occurred. • Perform the procedures in "Restoring Your Operating System" in your User's Guide. • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). 28 Quick Reference Guide