We've tried everything I can think of: Dell driver updates (video and chipset), BIOS updates, non-Dell video driver updates right from Windows Update and the Intel website. We've even tried replacing the motherboard on one machine, and it's still no good. Dell Drivers Download - Latest Dell Drivers For Your Windows 10, 8, 7, XP, Vista PC. Dell Drivers need to be kept updated to keep your Dell computer or device running well. If you need help with a Dell laptop, computer, printer or other device then read the article below. Get drivers and downloads for your Dell E-Port Plus. Download and install the latest drivers, firmware and software. Long time lurker, first time poster here. Anyway, I've got a MacBook Pro Retina (2.6/16/256) connected to a Dell U2713HM display via a Mini-DisplayPort to DisplayPort cable running 10.8.2. Dell Pro2x ManualProblem: Each time I boot or reboot the Dell screen stays in sleep mode until I physically push a menu button on the monitor and it wakes up instantly. Canon drivers for mac. I have no problems if I put the MBPr to sleep and wake it up, both screens come on fine. Dell Pro2x Docking Station CompatibilityThe other issue is that the MBPr seems to be sending the wrong signal to the Dell as the input colour format is YPbPr instead of the usual RGB and it's being identified as a television (?) in system profiler (see screenshots). Tests: * Resetting the NVRAM/PRAM - no change * Resetting SMC - no change * Resetting the Dell monitor - no change * Turning off Dell Energy Smart + DDC/CI settings - no change * OS X 10.8 - no change * OS x 10.8.1 - no change * OS X 10.8.2 - no change * mDP to DVI cable - works fine but resolution is limited to 1920x1200 * mDP to HDMI cable - works fine but resolution is limited to 1920x1080p Workaround: I've managed a workaround and confirmed that it's not the mDP to DP cable or Dell monitor by wait for it. Installing Windows 7 via Bootcamp. After I loaded the necessary drivers from Apple and rebooted both monitors came on fine. Also, after checking the Dell's OSD it verified that a proper RGB signal was being sent while running 2560x1440 just like it should. Dell Pro 2x Driver For MacConclusion: I can't believe 10.8.2 still has bugs like this? I had a 2009 MBP + Dell U2410/U2710 and never had any issues in 10.6 Anyone else experience anything like this with their external display? I can't be the only one. Have you tried calling apple or dell yet? It is a little odd that OSX thinks the Dell is a TV as opposed to a computer monitor.
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January 2019
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