Auto Rtc Reset; Backup Media And Recovery Options; Wi-Fi Power Cycle; Drain Residual Flea Power (Perform Hard Reset) - Dell Latitude 5531 Service Manual

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● If TPM is on and Enabled, it is not affected by RTC Reset (Remains on and Enabled)
● Asset Tag
● Service Tag
● Ownership Tag
● Admin Password
● System Password
● HDD Password
● Key Databases
● System Logs
These items may or may not reset based on your custom BIOS setting selections:
● Boot List
● Secure Boot Enable - Allow BIOS Downgrade
● Enable Legacy Option ROMs

Auto RTC reset

The auto RTC reset feature automates the manual process of the RTC recovery function from a No Power or No POST failures.
When two instances of No Power, No POST issues are detected, the computer automatically attempts an RTC Reset.

Backup media and recovery options

It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes
multiple options for recovering Windows operating system on your Dell PC. For more information. see
Dell Windows Backup
Media and Recovery
Options.

Wi-Fi power cycle

About this task
If your computer is unable to access the Internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be
performed. The following procedure provides the instructions on how to conduct a Wi-Fi power cycle:
NOTE:
Some ISPs (Internet Service Providers) provide a modem/router combo device.
Steps
1. Turn off your computer.
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
5. Turn on the wireless router.
6. Turn on the modem.
7. Turn on your computer.

Drain residual flea power (perform hard reset)

About this task
Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is
removed.
For your safety, and to protect the sensitive electronic components in your computer, you are requested to drain residual flea
power before removing or replacing any components in your computer.
142
Troubleshooting

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