Dell XPS 13 9310 Service Manual - Page 58
Troubleshooting, Recovering the operating system, SupportAssist | On-board Diagnostics, System
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5 Troubleshooting Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery. Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows 10 operating system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures. For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at www.dell.com/support. SupportAssist | On-board Diagnostics About this task The SupportAssist | On-board Diagnostics performs a complete check of your hardware. This diagnostic is the new on-board diagnostic tool and replaces the ePSA 3.0 diagnostics. It has a clean and modern user interface, quicker tests, simplified messaging. SupportAssist | On-board Diagnostics can be initiated by one of the following methods: ● Pressing F12 to enter one-time Boot Menu and selecting Diagnostics to initiate the diagnostics OR Fn + Power ● BIOS POST detecting a hardware failure or error and initiating the diagnostics The SupportAssist | On-board Diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ● Run tests in either Quick Test Mode or Advanced Test Mode ● Run thorough tests to introduce additional test options to provide extra information about the failed device(s) ● Run tests in either Automatic Mode or Interactive Test Mode ● Run interactive tests on LCD panel and keyboard ● Display or save test results ● View status messages that indicate if the tests are completed successfully ● View error messages that indicate if problems were encountered during the test NOTE: Some tests for specific devices require user interaction. Ensure that you are present at the computer terminal when the diagnostic tests are performed. For more information, see SupportAssist Pre-Boot System Performance Check. System diagnostic lights When static, the power and battery-charge status light indicates the power mode that your computer is in. When blinking in different patterns, the power and battery-charge status light indicates the respective issues that your computer is encountering. Static power and battery-charge status light 58 Troubleshooting