![]() ![]() ![]() Click on that and you will see InsomniaX’s various options. Look at your Mac’s menu bar and you should see an icon with a crescent moon. The app should now be ready and you can start taking advantage of it right away. Just click on the Open button and the installation should proceed normally. A confirmation window will pop up saying that InsomniaX comes from an unidentified developer. To prevent that from happening, Control + Click on the file and select Open. Since this is an app outside the official store, your Mac may block its installation. These requirements should fit the majority of users but there is no way to get around them.Īfter making sure that your device is compatible with InsomiaX, go ahead and install the app on your Mac. ![]() Furthermore, you will need to run OS X 10.8.5 or later. of the Dell UltraSharp U3818DW Monitor User’s Guide says "The USB Type-C power delivery compliant port (PD Version 2.0) delivers up to 100 W of power.In order to run the application, you will need to have a MacBook Air or Pro with an Intel 64-bit processor. The link is hard reset 121.3ms after the monitor sends accept.ĭell claims the monitor is compliant with USB-C PD 2.0: In the U3818DW trace, there is no PS_RDY from the monitor after it sends accept in response to the sink's request. In USB-PD R2.0 v1.3 spec, Figure 7-18 and Table 17-10 show that a decrease in voltage and current should occur after the source accepts the sink's request. I believe the monitor is a violating USB-C PD 2.0 spec: When using the laptop's USB-C power supply in the same test case, sleeping the laptop works as expected: Inspection with a TotalPhase USB-C PD protocol analyzer shows my U3818DW running M3B106 is violating USB-C PD protocol when the laptop tries to negotiate a lower current while going to sleep, triggering a hard bus reset which wakes the laptop: This definitely affects the Dell U3818DW and may affect the U3419W as well as they run the same latest firmware, M3B106. Has anyone had any luck holding a manufacturer like Dell to fixing their USB-C compliance bugs? Is there a way to take this to the USB-IF Compliance group? This USB-C PD bugs affect Apple and PC users, and their own documentation says the monitor has a "USB Type-C power delivery compliant port (PD Version 2.0)" so I think their support is wrong and harming the USB-C community. I reported the issue to Dell but their support consistently states the monitor only supports specific windows laptops, not USB-C in general, to the extent that Dell actively refuses to support some brands like Apple. I bought a USB-C Dell U3818DW monitor to use with my USB-C laptop, but it has a bug in its USB-C PD implementation that breaks sleep/wake.
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