Will good deeds avail a person anything if he dies as a kaafir?

No File Exists
Check below answers in case you are looking for other related questions:
The fate of kuffaar who did not hear the message of Islam
Does saying “Yaa Muhammad” or “Yaa Muhammadaah” constitute shirk?

No File Exists
Related Answers:
Is this durood shirk?
Qaseedat al-Burdah by al-Busayri and an explanation of what it contains of kufr and heresy
Ruling on seeking blessing from righteous people
The fate of kuffaar who did not hear the message of Islam
Does saying “Yaa Muhammad” or “Yaa Muhammadaah” constitute shirk?

Recommended answers for you:
Dealing with a Bad Temper
The punishment for homosexuality
Divorcing a woman by talaaq when she is pregnant
Ways of offering Witr prayer that are narrated in the reports
Jinn Entering Human Bodies