HP Endpoint Security Controller Problem: 100% Solution Fix – IndiaFix

This guide provides a step-by-step solution to fix the common Endpoint Security Controller issue on HP EliteBook, ProBook, Folio, and Omen series laptops. The fix involves editing the BIOS using UEFI Tools, Hex Editor (HXD), and HP DMI or MPM tools.

Required Tools:

Video Tutorial

Step-by-Step Instructions: fix HP endpoint security controller problem

1. Backup Both BIOS Main & EC:

Ensure you have backed up both the Main BIOS and EC BIOS before proceeding.

2. Using UEFI Tools to Edit Main BIOS:

2.1 Open UEFI Tools and drag & drop the Main BIOS file.

2.2 In UEFI Tools, navigate to the BIOS Region, then select 1st NVRAM.

2.3 Open NVRAM and select VSS2_STORE.
2.4 Right-click VSS2_STORE and choose Body Hex View.
2.5 A new window will open displaying the VSS2_STORE Hex Body.

3. Editing the Main BIOS:

3.1 Select 1st the Hex value AA553F000700000000000000000000 and press Ctrl + C.

3.2 Scroll down to check the length of the Hex value (it should be 25F90).

3.3 Open the Main BIOS file in the Hex Editor (HXD).

3.4 Search→Find for the Hex value AA553F000700000000000000000000.

3.5 Click on the AA value, then click Edit → Select Block, and choose the length 25F90. Click OK.

3.6 Right-click and select Fill Selection with FF. Click OK.

3.7 Save the BIOS file. The NVRAM is now cleared.

4. Using UEFI Tools (Again) for Further Edits:

4.1 Open UEFI Tools, navigate to BIOS Region → 1st NVRAM → FTW_STORE.

4.2 Right-click FTW_STORE and select Body Hex View.

4.3 Select 1st the Hex value start F8FFFFFF48B20C47ACE83C47BB4F8106 and press Ctrl + C.
4.4 Scroll down to check the length of the Hex value (it should be 1FE0).
4.5 Open the Hex Editor (HXD), and search for the Hex value F8FFFFFF48B20C47ACE83C47BB4F8106.

4.6 Click on F8, then click Edit → Select Block, and choose the length 1FE0. Click OK.

4.7 Right-click and select Fill Selection with FF. Then click OK.

4.8 Save the BIOS file. The Main BIOS is now ready to flash.

5. Editing the EC BIOS: EC BIOS SIZE MAYBE 8MB, 16MB or 32MB

Open the EC BIOS file with HXD.
Select all data and right-click to Fill Selection with FF, then click OK.
Save the EC BIOS.

6. Final EC BIOS Preparation:

Open UEFI Tools, drag & drop the ready Main BIOS file.
Click ME Region and check the Offset value (it should be 3000).
Close UEFI Tools.
Open the ready Main BIOS file in the Hex Editor (HXD).
Click Search→go to Type Offset value (3000), and click OK.
Select all the data above this offset (from the 00 start offset) by holding Shift + scroll up.
Alternatively, select the block with Offset Start: 0 and Offset End: 2FFF.
Right-click and Copy this data.

7. Integrating Data into EC BIOS:

Open the EC BIOS in HXD.
Search→go to Offset 2000 (this is the default value).
Check the length of data from the Main BIOS (it should be 3000).
At Offset 2000 in the EC BIOS, click Edit → Select Block, and set the length to 3000.
Right-click and select Paste Insert.
Save the EC BIOS. It is now ready to flash.

Flashing Both BIOS:

Flash both the Main BIOS and EC BIOS to the laptop.
Once the laptop powers on, use HP DMI Tools or HP MPM Tools to fill in all necessary laptop information.