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The built-in graphics card in the C260 only allows for up to HD 1600x900 output from the HDMI Out port.
1600x900 is the correct specification for the C260 HDMI output.
You can use a higher resolution monitor, however it will only display 1600x900.
However you cannot use a lower resolution monitor to display a HD output.
Hope this helps,
How are you measuring the output display?
The 1920*1200 Dell will display the 1600*900 output from the Lenovo.
You can try connecting a 3840 x 2160 display if you wish, and it will still work, but you will only get the 1600*900 display signal from the Lenovo.
Hi. My name is***** you for your question and the opportunity to assist. The integrated HD graphics is not up to the job you want done. 4K resolution is only possible when the graphics chipset is paired with a 4th generation processor:
Here's the 4th generation processor lineup:
The C260 is running a Pentium J2900 which doesn't have the horsepower to run at those higher resolutions.
I was able to find a Lenovo document referencing the J2900 in a different model computer.
The max resolution through the HDMI port was listed at 1920x1200
Here's the link: http://www.lenovo.com/psref/pdf/tcbook_WE.pdf
There are numerous references to the J2900 throughout the document
mentioning max resolution. The first I found was on Adobe Reader page 8.
I understand the answer was not one you wanted to hear but getting a refund is pretty easy at JustAnswer.
Thanks. That's good to know.
The price tag would probably freak out the average JA customer though.
Which one did you buy?
Certainly. Thanks for the update.