HP EliteBook 645 G9
Laptops · HP
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Latest Firmware
Version 01.22.00
Released
26.4 MB
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Firmware History
01.22.00
- General bug fixes. - Fixes an issue that causes a Windows update–related restart loop.- Adds UEFI CA 2023 certificates to KEKDefault and DBDefault. - Adds support for DIRID 13. - Includes the following firmware: AMD Platform Security Processor (PSP) Firmware, version 0.11.0.88 AMD System Management Unit (SMU) Firmware, version 64.75.0 Embedded Controller (EC) Firmware (U77 systems), version 14.74.00 Embedded Controller (EC) Firmware (U87 systems), version 22.75.00 Intel/AMD/NVIDIA GOP, version 2.20.0.17.10 Intel/AMD/NVIDIA Video BIOS, version BRT97511.001 Intel/Realtek PXE ROM, version 2.67 Intel/Realtek UEFI PXE ROM, version 2.052
Download from HP (opens in new tab)01.21.00
- General bug fixes.- Updates the Absolute Persistence Module. - Includes the following firmware: AMD Platform Security Processor (PSP) Firmware, version 0.11.0.85 AMD System Management Unit (SMU) Firmware, version 64.74.0 Embedded Controller (EC) Firmware (U77 systems), version 14.73.00 Embedded Controller (EC) Firmware (U87 systems), version 22.74.00 Intel/AMD/NVIDIA GOP, version 2.20.0.17.10 Intel/AMD/NVIDIA Video BIOS, version BRT97511.001 Intel/Realtek PXE ROM, version 2.67 Intel/Realtek UEFI PXE ROM, version 2.052
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Why Keep Your Firmware Updated
Laptop firmware updates cover the BIOS/UEFI, embedded controller, and sometimes trackpad or display controllers. These updates improve battery life, fix thermal throttling, patch security vulnerabilities, and can resolve issues with sleep/wake cycles. Back up important data before updating and keep your laptop plugged in during the process.