=============================================================================== =============================================================================== DisplayLink Software Release: External Release Note Software Package: DisplayLink Graphics Product Version: 7.4.50444.0 Product Date: 22nd August 2013 DisplayLink Core Software Version: 7.4.50415.0 DisplayLink Core Software Date: 16th August 2013 DisplayLink DL-3x00 Firmware Version: 8.4.5.56813 DisplayLink DL-41xx Firmware Version: 8.4.5.56813 =============================================================================== =============================================================================== A. Introduction =============== This is the R7.4 Product Release. It delivers the following features: - Support for Windows 8.1 - Allow 2nd video output of DL-3900 products when a high resolution DisplayPort display is connected - Critical bug fixes and compatibility improvements for all products For further support and information about DisplayLink software, please visit http://www.displaylink.com/support A1. Important notes about DL-3x00 and DL-41xx Firmware ====================================================== This software release contains an embedded firmware image. DL-3x00/DL-41xx devices will be automatically upgraded with this firmware upon connection. B. Contents =========== A. Introduction A1. Important notes about DL-3x00 and DL-41xx Firmware B. Contents C. New features C1. Fixed issues since R7.3 (7.3.48948.0) D. How to Install and Use E. Supported Operating Systems F. PC Recommended Specifications G. Language Support H. Supported Hardware I. Known Issues and Limitations C. New features =============== DisplayLink Software Release R7.4 delivers the following features: - Support for Windows 8.1 - Allow 2nd video output of DL-3900 products when a high resolution DisplayPort display is connected - Critical bug fixes and compatibility improvements for all products C1. Fixed issues since R7.3 M0 (7.3.48948.0) -------------------------------------------- Mouse cursor movement is not smooth on DisplayLink monitor while using Microsoft Live Meeting. (15563) Remove 10Mbps manual Ethernet speed setting. (15661) Cannot fully disable the microphone input on DisplayLink Audio. (15714) Microsoft Lync meetings sometimes are not reliable when using DisplayLink Ethernet. (15557, 15806) Enabled energy efficient Ethernet for compatible designs. (15729) Disabling DisplayLink device in device manager leaves last content on the screen instead of turning black. (14701) Two icons are present in Device and Folders when replugging DisplayLink device with headphones attached between usb ports. (14704) On Windows Vista switching one DisplayLink monitor to clone may cause second DisplayLink monitor to switch off. (15550) On Windows XP, using a DisplayLink product based on the DL-41xx, changing resolution may cause on-screen display to appear in the wrong place on the screen. (15610) The monitor name for DisplayLink USB monitors may not be displayed in Windows (15641) Occasional blue screen after rotating DisplayLink screen. (15670) Video corruption when moving Metro Video player between screens. (15808) Sometimes disconnecting DisplayLink device may leave desktop image on the monitor. (15827) Some monitors connected to a DisplayLink device may not enter power save mode. (15840) Blue screen on some computers with Haswell processors. (15856) User may be prompted to upgrade drivers even though the latest ones are installed if switching one DisplayLink device between Windows and Mac computers. (15859) DisplayLink monitor connected with dual USB cable shows previous content after unplugging data cable but leaving the power cable plugged in. Unplug both USB cables to recover.(15760) D. How to Install and use ========================= Please find detailed guidance and information about how to install and use this software in the DisplayLink Software User Guide: http://kb.displaylink.com/298 Corporations can apply for a corporate install version at www.displaylink.com/corporateinstall For further support and information about DisplayLink software, please visit http://www.displaylink.com/support E. Supported Operating Systems ============================== This release can be installed on the following operating systems: - Windows XP SP2 (32-bit edition only) - Windows XP SP3 (32-bit edition only) - Windows Vista SP1 (32-bit and 64-bit editions) - Windows Vista SP2 (32-bit and 64-bit editions) - Windows 7 (32-bit and 64-bit editions) - Windows 8 (32-bit and 64-bit editions) - Windows 8.1 (32-bit and 64-bit editions) - Windows Server 2008 (32-bit and 64-bit editions) (This OS has received limited testing) - Windows Server 2008 R2 (This OS has received limited testing) Windows 2000 SP4 is supported by older versions of the DisplayLink software: http://www.displaylink.com/downloads Video: video is supported in extend mode with most popular video players on Windows XP and Windows 7/Vista in WDDM/Aero Mode. Video support is limited in other configurations including mirror mode and Windows 7/Vista Basic Mode. Installation on Windows Server is enabled, but untested. End users may try to use DisplayLink on server editions, but these are not supported configurations. F. PC Recommended Specifications ================================ Please find detailed information about the minimum and recommended system specifications needed to run this software in the DisplayLink Software User Guide: http://kb.displaylink.com/298 G. Language Support =================== Please find the complete list of languages supported by this software in the DisplayLink Software User Guide: http://kb.displaylink.com/298 H. Supported Hardware ===================== Devices supported: - DL-41xx - DL-3100 / DL-3500 / DL-3700 / DL-3900 - DL115 / DL125 / DL165 / DL195 - DL120 / DL160 I. Known Issues and Limitations =============================== System behaviour with DisplayLink attached screens has been well tested. Testing covers plug/unplug, mode changes, playing video, hibernate, sleep/standby, multiple users, different user rights, attached screen as primary screen, attached screen as only screen, and other aspects. Some use cases may exhibit minor issues, general troubleshooting recommendations are: - detach then reattach the DisplayLink device's USB cable - change display settings using DL-GUI - change display settings using WDP - ensure you have the latest graphics drivers installed for your system GPU For information about specific issues please see the DisplayLink support knowledgebase: http://www.displaylink.com/support/knowledgebase.php