Hi Vatsalk,
Welcome to the community.
I understand we are facing issues with the wireless connectivity on the system. Please check the link below which would be helpful in resolving this issue:
Kindly perform these steps and let us know the results of the same so we can advise you further.
Also, perform a Component Test on network card using the link mentioned below:
Please keep me posted with the results.
Thanks & Regards
Manshu S
#iworkfordell