Hello Merve Bozkurt1
Welcome to the Microsoft Community.
We understand that you seem to be hing some problems, and I understand how you feel, but there is limited information about the problem, so can you please give a specific description of the problem? I would really love to be able to help you solve your problem!
Here's the perspective you can use to inform about the problem:
Are you experiencing WiFi issues, Bluetooth issues, or both?
If this is a Bluetooth issue, what device are you hing trouble connecting to the computer?
If this is a WiFi problem, can't connect to WiFi? Are you hing the same problem connecting to Ethernet?
You can start by referring to the links below to give you an easy way to troubleshoot before providing information:
-WiFi Issues:
Fix Wi-Fi connection issues in Windows - Microsoft Support
-Bluetooth Issues:
Fix Bluetooth problems in Windows - Microsoft Support
If the information is updated, please feel free to contact us, anything you provide will help us further localize the problem and provide you with a solution, thank you for your understanding!
Best regards
Nicholas.Z - MSFT | Microsoft Community Support Specialist