Welcome to the community.
Please check the beep code list for your system:
It seems motherboard failure on the system and would require replacement.
If the system is under warranty then please contact me through a private message by clicking on my name highlighted in blue. On the next page, click the envelope icon and provide your service tag and contact information so I may access your system records.
And, if the system is out of warranty then you contact our Expired Warranty Support at the link below:
If you have any further queries please feel free to contact us.
Thanks and RegardsSandeep P#iworkfordell
To know more about Dell Product Support, Drivers & Downloads, Order & Dispatch status -> choose your region US Customers; UK Customers; India Customers. For Dell support videos click Here.