Dell Inspiron 5498 Service Manual

Flea power releaseAbout this taskFlea power is the residual static electricity that remains on the computer even after it has been powered off and the battery hasbeen removed. The following procedure provides the instructions on how to conduct flea power release:Steps1. Turn off your computer.2. Disconnect the power adapter from your computer.3. Press and hold the power button for 15 seconds to drain the flea power.4. Connect the power adapter to your computer.5. Turn on your computer.Real Time Clock—RTC resetThe Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model DellLatitude and Precision systems from No POST/No Boot/No Power situations. You can initiate the RTC reset on the systemfrom a power-off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTCreset occurs after you release the power button.NOTE: If AC power is disconnected from the system during the process or the power button is held longer than 40seconds, the RTC reset process gets aborted.The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following itemsare unaffected by the RTC reset:● Service Tag● Asset Tag● Ownership Tag● Admin Password● System Password● HDD Password● Key Databases● System LogsNOTE: The IT administrator's vPro account and password on the system will be un-provisioned. The system needs to gothrough the setup and configuration process again to reconnect it to the vPro server.The below items may or may not reset based on your custom BIOS setting selections:● Boot List● Enable Legacy Option ROMs● Secure Boot Enable● Allow BIOS Downgrade74 Troubleshooting

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