Hi Dextex,
Please let me know if you are trying to connect via a wired connection or a wireless connection. You may try to connect in ‘Safe Mode with Networking’. Please follow the steps below:
- Restart or Power on the system.
- Tap <F8> at dell logo until ‘Advanced Boot Options’ appear.
- Choose ‘Safe Mode with Networking’ and hit ‘Enter’.
You may update the system BIOS. Please refer to the link: http://dell.to/148Fq69.
Keep me posted with the information. I will be glad to assist you.