HP Power State Notification Driver

[cruzlite]

System Power State Notification Driver

Windows cannot load the driver

Driver may be corrupted or missing. (Code 39)

Digital signature expired

Driver Date; 7/21/2021

Version; 1.0.0.2

This is the last driver marked/problem in device mgr. after clean install. This seems to affect volume, brightness, copying graphics as well as function.

How do I obtain, (identify), and install this driver correctly?

[cruzlite]

Since I found The solution to my Question here on the HP Community: 

Solved: HP System Power State Notification error!!!!! - HP Support Community - 9082963

In an effort to help others, I will post my Reformat & Clean install Windows procedure Here;

(Note: 

HP Envy Laptop 17-cw0023dx (7H1T2UA)

Windows 11 v21H2 (64-Bit) USB Purchased Retail

(I used step 3 from A Gayathri, linked above)

PREP:

BACKUP DOCS

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Shutdown computer

Disconnect network cable [wi-fi]

Install Disk/USB stick

Start/Enter BIOS/Set Disk/USB to 1st in boot order/Save & exit BIOS

Chose Custom Advanced / @Drive List; ID OS Drive ...[Should be '0']

Delete all partitions on OS Drive

@ Drive List; Shift+F10...[For Command Prompt]

Move cursor off Command Prompt

Type; DiskPart... <Enter> [ case sensitive ?]

DiskPart>List Disk...<Enter>

DiskPart>Select Disk 0... <Enter> [Should be '0' from ID]

DiskPart>Clean All... <Enter> [Takes a few minutes]

DiskPart>DiskPart Succeeded

DiskPart>Exit...<Enter>

               >Exit...<Enter>

@Drive List/ New / enter [Windows will config]

Next / [Windows Install]

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@ Desktop: Restart/Enter BIOS/Set OS Drive to 1st in Boot order/Save & exit

@wifi/Shift F-10>

• @ Command Prompt>explorer>enter> This PC> usb (or location of driver)> install driver> Close out> next…
• @Command Prompt>oobe\bypassnro>enter> @Connect> I don’t Have Internet> Close out> next> Name> next> etc.

Basic Config Desktop

Connect Network cable/WiFi

Run Windows Update

Check Device Manager

Activate

Run Widows Update (Win will install all Remaining drivers.

Check Device Mgr

! System Power State Notification

Step 3: Disable Driver Signature Enforcement

Disabling driver signature enforcement can allow the installation of unsigned drivers. However, this should be a temporary solution and used with caution.

1. Open Settings > Update & Security > Recovery.
2. Under Advanced startup, click Restart now.
3. After the restart, choose Troubleshoot > Advanced options > Startup Settings > Restart.
4. After the restart, press 7 or F7 to disable driver signature enforcement.

Step 4: Reinstall the Driver

1. Open Device Manager.
2. Right-click on the HP System Power State Notification device and select Uninstall device. Check box in Dialogue box! (If memory serves, "Remove Driver")
3. Restart your laptop. Windows should attempt to reinstall the driver upon reboot.