Hello, thank you for choosing HP products. It is recommended that you refer to the following information: Since we do not know the specific model of your laptop and the detailed error information, we cannot make an accurate judgment. You can refer to the following information:

If the computer does not stop when you turn on (or restart) Clicking the F8 button cannot choose to enter safe mode:

You can back up data and enter the bios to detect the hard drive: After booting, press F10 to enter the BIOS, select Diagnostics, and run Hard Drive Self Test to detect the hard drive (the specific detection method depends on the model) slightly different). During the detection process, it is recommended to connect the external power supply and maintain power supply.

a. If the hard disk test passes (usually it will prompt good, pass or succeed), you can back up the data and reinstall the system;

b. If the hard disk test fails (usually it will prompt fail) or error), you can contact the Gold Service Center for on-site hardware repair.

For the contact information of HP Gold Service Center, you can use the following official link to inquire:

/zh/support-drivers/esupport/ascpps.html

Warm reminder:

According to personal experience, if you cannot enter the system currently, you need to back up the data in the hard disk. There are generally two methods:

1) Take out the laptop hard drive and use a mobile hard drive box or cable to connect it to other computers for data backup;

2) Use Win System maintenance tools such as PE are booted from the CD. In the Win PE system, you can access the original hard disk partition, and then connect the U disk or mobile hard disk to copy the data.

I hope the above reply will be helpful to you.