1. The pre-installed software in the pre-installed system can be deleted, but it needs to be deleted. I suggest that you can check which programs are unnecessary according to your daily use, and then delete them.
2. The following is a functional description of the commonly used software pre-installed in the machine, which can be used for reference. I hope it can help you choose to delete it:
3D DriveGuard: The built-in disk drive that can protect the laptop when it accidentally falls or suddenly hits other objects.
CoolSense: Intelligent cooling system is HP's exclusive cooling auxiliary software, which is mainly used to control the temperature of the machine.
HP Documentation: HP documentation, including some precautions, disclaimers, etc.
HP Launch Box: allows applications to be organized into groups for quick access to the Windows 7 taskbar. This package can support supported laptops and operating systems.
The HP screen shows:
This utility allows the system to display pop-up graphics on the screen when certain characteristics (such as volume or brightness) change.
HP Power Manager:
The utility will notify you when the current power settings of the notebook computer do not match the settings recommended by HP.
HP Quick Release:
Use special function keys on supported laptops. For example, with the help of HP Quick Start Software, users can press Fn+ESC to view system information. This software is suitable for supported operating systems. If this driver is not installed, the following phenomena may occur: 1. The combination function key used with FN can't be used. The common phenomenon is that the brightness can't be adjusted, and FN+F4 can't be switched when a projector is connected, or when a monitor or TV is used. ...
HP Security Assistant:
You can quickly connect to functions or software installed in the system.
HP Settings: System settings preset by HP.
Hp setup manager: a management software that mainly updates the HP-related drivers and software of the machine.
Hp SimplePass PE:
The software can use the fingerprint of the computer owner to protect identity information and account access rights.
HP Software Framework:
Provide a common software interface, which can centralize and simplify access to hardware, BIOS and HP device drivers.
HP Support Assistant:
HPSA is a self-help problem-solving tool pre-installed on the notebook. You can update software, install drivers, run system health check, troubleshoot and learn troubleshooting techniques. You can also contact HP engineers through the software HPSA by chatting or calling.
3. Some pre-installed software in the system cannot be downloaded and can only be used together with the pre-installed system. Therefore, it is recommended that you make recovery media in the machine before deleting it, so that you can use the backup and recovery media to restore the pre-installed system and pre-installed software of the machine when there is a problem with your machine system software or you need to restore the pre-installed software.
Steps to make system recovery media (only once per machine)
(1) Please go to Start-All Programs -HP Help and Support or Security and Protection-HP Recovery Manager, select HP Recovery Media Creation to open it, or select HP Recovery Media Creation to open it.
(2) Prompt "You can only create one set of recovery media", select "I accept" and click "OK".
(3) Prompt to insert a USB flash drive (please pay attention to the display capacity of the required USB flash drive. It is recommended to use a USB flash drive above 16G to create recovery media. )
(4) Follow the instructions on the screen.
I hope the above reply can help you.