![]() ![]() I attach two debug files: debug4231 is with dual monitors as iMac 14,2 but no sleep/wake debug13164 is iMac 15,1 where dual monitors don't work, but sleep/wake does. Having read advice that changing to iMac 14,2 would fix the problem, I was pleased to say that it did - now dual screens work perfectly, but deep sleep / hibernation does not work (when I try to wake from this, the screens stay black and the machine freezes - CAPS lock doesn't change, and there is no way out except a hard reset).Ĭonsistently, I can get waking from sleep working perfectly with iMac 15,1, and dual monitors working perfectly with iMac 14,2 with changing nothing other than the System Identifier, but nothing I've tried can get both features working together – I'm stuck with a choice between being stuck with a single monitor (but with sleep/wake working fine) or with dual monitors and the risk that I may accidentally let it slip into deep sleep and need a hard reset, which is annoying.įor now, I'm sticking dual monitors, but there has to be a simple solution, to either fix sleep/wake in 14,2 (with 14,1 and 14,3 behaving the same incidentally), or get dual monitors working in 15,1. ![]() Having had my hack working well with System Definition as iMac 15,1, I wanted to recently add dual monitors.Īs an iMac 15,1, the second DisplayPort was not ever recognised - I could plug a single monitor into either one and have it work fine, but not two together. So I'm facing a difficult choice at the moment with my machine. ![]() Today, when I woke the MP from sleep, the secondary display first powered up and then, as it apparently wasnt getting a signal from the graphics card, put. Building a CustoMac Hackintosh: Buyer's Guide Question: Q: Seriously weird Mac Pro dual screen sleep problem Im experiencing a weird problem with my Mac Pro (early 2008), a Radeon HD 2600 XT, two Dell 3008WFPs and Leopard (10.5.8). ![]()
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