Laptop buying advice forum: Laptops supporting Intel Wireless Display (WiDI)

by: Bradamant August 28, 2012 1:34 PM PDT

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Laptops supporting Intel Wireless Display (WiDI)

by Bradamant - 8/28/12 1:34 PM

I am perplexed and am in need of information/understanding/a reality check. (Posting here because I still need to decide on a new laptop.)

I recently bought a Lenovo Z570 laptop that was explicitly advertised as supporting Intel Wireless Display (WiDi). I also bought a Belkin Screencast adaptor.

The computer arrived and there was the WiDi shortcut on the desktop. I plugged the Screencast adaptor to my tv through an HDMI cable and set the tv to the correct channel for the input. Great so far!

Per Intel's list of updates (http://www.intel.com/support/wireless/wtech/iwd/sb/CS-033375.htm), I went through and updated the wireless driver and then the Graphics driver. When I tried to update the Intel Wireless Display software, it was aborted. And my screencast said that the monitor display could not be sent to tv.

After a lot of searching, I realized that my i5-2450M processor does not appear on Intel's list of compatible processors. System requirements can be found at http://www.intel.com/support/wireless/wtech/iwd/sb/CS-031059.htm which says that the processor must be:
ONE of the following:
Intel® Core™ i7: 640M; 660LM; 640LM; 620LM; 620M; 610E; 690UM; 680UM; 660UM; 640UM; 620UM; 660UE; 2710QE; 2820QM; 2720QM; 2635QM; 2630QM; 2657M; 2649M; 2629M; 2620M; 2617M; 2540M; 2520M; 2510E; 2640LM; 2620LM; 2630UM; 2610UM; 2530UM; 2920XM
Intel® Core™ i5: 580M; 560M; 540M; 520M; 480M; 460M; 450M; 430M; 580UM; 560UM; 540UM; 520UM; 470UM; 430UM; 2540M; 2520M; 2410M; 2537M
Intel® Core™ i3: 390M; 380M; 370M; 350M; 330M; 330E; 2310M

Strange, but at that point I was just angry that the store and/or Lenovo had made a whopping mistake. After all, the WiDi shortcut and program was on my laptop; there has to be a reason for that, right?

After a lot of searching, I haven't come up with any answers, only more questions. On Best Buy, I searched for pc laptops that support WiDi. A list of 36 or 37 machines came up as qualifying. However, in going through them one by one, only a handful have processors that appear on Intel's list for the System Requirements.

I am very confused. Is Intel's list out of date? But if that's so, why didn't my attempt to update and use the software work? Are bestbuy and costco and multiple laptop makers mistaken when they say a machine is capable of supporting Wireless Display? What the heck is going on? Can anyone help me figure this out?

The Lenovo is on it's way back, but I need a new laptop as my old one is literally falling apart. A new one with WiDi would be extremely useful for a disabled family member. I'm also stuck with the Screencast I bought now too. Beyond all that, I'm really curious what is going on. Am I just stupid or befuddled or . . .is there something I'm missing? Any help would be so, so appreciated. Thank you.

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