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Inspiron Laptop External Monitor

I updated my Laptop 5/17 with the updated BIOS and other updates and now my external monitor will not project my laptop screen and is a checkerboard black and white pattern. It appears it does not recognize the HDMI connection to my Dell D3100 docking station.  I also updated the Nvideo card as suggested by Dell.  Any clues as to why this happened and a solution?

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RE: Inspiron Laptop External Monitor


Welcome to our community.

We’ll surely to assist you. Please let us know if you’ve tried a different HDMI cable and also choosing the right input source.

Also, share the following information via private message, so that we can check for more details and assist you. To send a private message, click on my name and select ‘Send private message’.

1. Service tag/ express service code
2. Email address
3. Registered owner’s name of the system

The Service Tag is a 7-character code, and the Express Service Tag is a 10-digit code that is a numeric version of the Service Tag. Both codes are on the bottom of your laptop. You can also refer to this link which is a video that shows steps to find the service tag

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