System Logs; Updating The Bios In Windows - Dell Latitude 9420 Service Manual

Table 18. Performance
Options
Intel Hyper-Threading Technology
Enable Intel Hyper-Threading Technology

System Logs

This section contains BIOS, Thermal and Power event logs.
Table 19. System Logs
Options
BIOS Event Log
Clear BIOS Event log
Thermal Event Log
Clear Thermal Event Log
Power Event Log
Clear Power Event Log

Updating the BIOS in Windows

Prerequisites
It is recommended to update your BIOS (System Setup) when you replace the system board or if an update is available. For
laptops, ensure that your computer battery is fully charged and connected to a power before initiating a BIOS update.
About this task
NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re enabled after the BIOS
update is completed.
Steps
1. Restart the computer.
2. Go to Dell.com/support.
● Enter the Service Tag or Express Service Code and click Submit.
● Click Detect Product and follow the instructions on screen.
3. If you are unable to detect or find the Service Tag, click Choose from all products.
76 System setup
Description
● Disabled - Does not allow the Intel Turbo Boost
Technology driver to increase the performance state of
the processor above the standard performance.
● Enabled - Allows the Intel Turbo Boost Technology
to increase the performance of the CPU or graphics
processor.
This field allows the user to configure this feature where
the processor resources are used more effectively, enabling
multiple threads to run on each core (enabled by default).
Description
This field contains a toggle switch to Keep or Clear BIOS
Event logs. It also lists all saved events(Date, Time, Message)
- ("Keep" selected by default).
This field contains a toggle switch to Keep or Clear Thermal
Event logs. It also lists all saved events(Date, Time, Message)
- ("Keep" selected by default).
This field contains a toggle switch to Keep or Clear Power
Event logs. It also lists all saved events(Date, Time, Message)
- ("Keep" selected by default).