I understand that 50 steps might be too many, but here is a short and detailed list of steps you can take to try to fix your laptop issues on your own. Please note that these steps cover various aspects, and not all of them may be applicable to your specific situation. Choose the ones that seem most relevant to your problem:

1. Restart your laptop.
2. Connect it to power.
3. Disconnect and reconnect the battery (if possible).
4. Check the power cable.
5. Connect your laptop to an external monitor.
6. Boot into safe mode.
7. Update graphics card drivers.
8. Check Task Manager for active processes.
9. Clean temporary files and cache.
10. Run an antivirus program.
11. Update the operating system.
12. Scan for viruses with an antivirus scanner.
13. Use diagnostic tools for the hard drive.
14. Check RAM for errors.
15. Defragment the disk (if HDD).
16. Check for BIOS/UEFI updates.
17. Open the case and visually inspect for damage.
18. Check component temperatures.
19. Connect other devices to USB ports.
20. Uninstall recently installed software.
21. Use system restore points.
22. Disable auto-start of applications.
23. Use the “sfc” tool to check system file integrity.
24. Install the latest Microsoft .NET Framework updates.
25. Check power management settings.
26. Use the “chkdsk” tool to check for disk errors.
27. Disconnect all external devices and restart.
28. Check for software conflicts.
29. Remove old and unused programs.
30. Use built-in backup tools.
31. Check for audio issues (if applicable).
32. Update sound card drivers.
33. Check for driver updates for other devices.
34. Install additional language packs (if applicable).
35. Use “System Restore.”
36. Check for network connection issues.
37. Check for driver updates for the network card.
38. Connect headphones and check for sound.
39. Backup important data.
40. Create a bootable USB with the operating system.
41. Check for mechanical damage to the keyboard and touchpad.
42. Check functionality in safe mode with network support.
43. Remove temporary user profiles.
44. Conduct a security audit with Windows Security.
45. Check for issues with the browser.
46. Disable unnecessary Windows services.
47. Check for chipset driver updates.
48. Reinstall the operating system (after backup).
49. Check for missing or damaged system files.
50. If the problem persists, seek advice on support forums or consult with a professional.

Please note that performing some of these steps may require certain knowledge and experience. If you don’t have experience with hardware components, it is recommended to consult with a professional.