- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Inspiron 14 5415
- Base cover
- Battery cable
- Battery
- Coin-cell battery
- Solid-state drive
- Memory module
- Wireless card
- Power-adapter port
- Display assembly
- I/O board
- Speakers
- Touchpad
- Fan
- Heat sink
- Power button with optional fingerprint reader
- System board
- Palm-rest and keyboard assembly
- Drivers and downloads
- System setup
- Troubleshooting
- Getting help and contacting Dell
Inspiron 14 5415 Service Manual
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:
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:
- 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
- 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.
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