max resolution dell latitude with e-port replicator

Question

I have the following scenario: Laptop: Dell Latitude E6420 i7 with Intel HD Graphics 3000 Monitor: 30' Dell 3007WFP (up to 2560x1600 resolution) Docking Station: Dell e-port replicator T308d Adapter: Dell Display Port To DVI-D Adapter Cable DP/N 023NVR Problem: The 30' monitor Maximum resolution available is 1280x800. Question: Let's say I can't get the monitor's 2560x1600 resolution with this Intel integrated HD3000 card or with the e-port replicator because the laptop doesn't have native DVI-D Dual Link, I should be able to get at least 1920x1080 by the Display port. Any fix to get better resolution than 1280x800? Some of the steps taken so far: The monitor only has a DVI-D Dual Link port so I'm using a DVI-D Dual link to DVI-D Dual Link cable to connect to the docking station, won't work, I read somewhere that the e-port replicator is actually DVI-D Single Link inside so won't work because the monitor needs native DVI-D Dual Link. Using the same DVI-D Dual Link to DVI-D dual link cable, but this time I add a DVI-D Dual link to Display port adapter and connect to the Display port port in the e-port replicator, still the same issue. Connect directly to the laptop using DVI-D Dual Link to HDMI cable, still the same. Also tried manually adding custom resolutions in the Intel Graphics Control Panel like 1920x1800, or using 50p Hz Refresh Rate, 30p Hz, etc. timing standard CVT or GTF or CVT-RB. When I apply those custom settings the monitor's screen goes black like if it doesn't support it so it changes back to 1280x800. All Drivers are up to date. Help will be greatly appreciated! -

win7wizard · Accepted Answer

You will need an active displayport to DVI adapter. Here is the link to the purchase page.   http://accessories.dell.com/sna/productdetail.aspx?c=us&l=en&s=gen&sku=a7102180

maxwell_3 · Answer

How did you get on with this solution OP? Did it work for you?

I'm nearly at my wits end with trying to get my E6540 + 3007WFP-HC to give higher res than 1280x800. My last resort would be to purchase the e-port II dock and the active adapter mentioned above. Failing that I'm going to end up selling the laptop and buying another brand that has dp/mini-dp.

win7wizard · Answer

As that system does not have a displayport/mini dp port the only way to get the 2560x1600 resolution with that display would be to get an Eport dock and the active displayport to dual link dvi cable that supports the 2560x1600 resolution.

http://downloads.dell.com/Manuals/all-products/esuprt_electronics/esuprt_Display/dell-3007wfp-hc_User%27s%20Guide_en-us.pdf

http://accessories.dell.com/sna/productdetail.aspx?c=us&l=en&s=gen&sku=a7102180

accessories.dell.com/.../productdetail.aspx;l=en&s=gen&sku=331-6304

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