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DisplayLink Software Release: External Release Note
Software Package: DisplayLink Graphics
Product Version: 7.7.61623.0
Product Date: 20th March 2015
DisplayLink Core Software Version: 7.7.59503.0
DisplayLink Core Software Date: 18th December 2014
DisplayLink DL-3xx0 / DL-5xx0 Firmware Version: 8.10.26.68819
DisplayLink DL-41xx Firmware Version: 8.10.26.68819
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A. Introduction
===============
This is the R7.7M3, the third maintenance release of 7.7. It has been put 
through a full system test and is suitable for deployment to end-users.

DisplayLink Software Release R7.7M3 delivers the following improvements:
- Critical bug fixes

DisplayLink Software Release R7.7 delivers the following features:
- Improved full screen video frame rate and image quality on high resolution 
  screens
- Lower mouse cursor latency on desktop applications
- New embedded firmware upgrade mechanism improving first connect 
  user experience. Visible from future releases.
- Early support for Intel Broadwell platform

This release is for Windows Vista and later. Windows XP SP2 is supported by 
earlier versions of the DisplayLink software: 
http://www.displaylink.com/downloads


For further support and information about DisplayLink software, please visit
http://www.displaylink.com/support


A1. Important notes about DL-3xx0, DL-41xx and DL-5xx0 Firmware
======================================================
This software release contains an embedded firmware image. 
DL-3xxx/DL-41xx/DL-5xxx devices will be automatically upgraded with this
firmware upon connection.


B. Contents
===========
A. Introduction
A1. Important notes about DL-3xx0, DL-41xx and DL-5xx0 Firmware
B. Contents
C. New features
C1. Fixed issues since R7.7 M0 (7.7.57957.0)
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 R7.7M3 delivers the following improvements:
- Critical bug fixes


C1. Fixed issues since R7.7 release (7.7.57957.0)
-------------------------------------------------

Issues fixed in R7.7 M3 release (7.7.59503.0)
-------------------------------------------------

Some UHD monitors would display a corrupted or blank screen when 
connected to DisplayLink device. (17910)

DL-5xxx series device doesn't support 3440x1440 resolution when monitor 
offers only 3440x1440@60Hz mode. (18067)

When a monitor was connected to the DisplayPort output of a DisplayLink device,
and an HDMI monitor was connected, the HDMI screen could remain blank. (18170)

Some UHD modes are not supported if present only 
in Vendor Specific Data Block in EDID. (18218,18364)

On some platforms, when multiple monitors are connected to a third party 
docking station it is not possible to set displays to extend when
DisplayLink software is installed. (18255)
 
When DisplayLink software is downloaded and installed from Windows update, 
sometimes the DisplayLink device would require a USB cable hot-plug 
to start operating. (18319)
 
On some platforms, the DisplayLink device could disconnect and reconnect 
to the USB bus when cloning the main screen. (18385)

Some of DirectX resources acquired by DisplayLink driver's are not properly
released which can result in increased memory usage and cause system to crash. 
This was a regression in 7.7 M0 (18460) 


Issues fixed in 7.7 M2 release (7.7.59032.0)
--------------------------------------------

There could be a longer delay when extending the Windows desktop 
in USB to wireless solutions. (17530)

On some devices extending desktop can remain on DisplayLink 
screen after disconnecting USB cable. (17916)

DL-5xxx devices could select the unsupported resolutions above 2048x1152 when 
UHD monitors were connected through passive DisplayPort to HDMI 
adapters. (17970)

A display could remain in Windows "Screen Resolution" after disabling the 
display and then disconnecting it from the DisplayLink device. (18047)

On some platforms monitor connected to DisplayLink 
device can show corruption when playing a video on a UHD screen. (17938)

Rare blue screen observed in the audio driver when detaching or attaching 
DisplayLink device. (17638)

DL-4xxx monitor could remain blank after resuming from suspend. (17303)

Very occasionally a monitor connected to DisplayLink device
could remain blank after resuming from suspend. (18106)

On some platforms DisplayLink device volume setting can
change value to operating system default on resuming from
suspend for a short period of time. (17682)

Installing McAfee anti-virus together with DisplayLink software can 
result in a BSOD. (18128)

Paint effect and blinking leftovers when "GPU setting" is set to 
"NVIDIA High Performance" in Nvidia Control Panel. (17912)


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

A corporate deployment guide is available here:
http://www.displaylink.com/corporateinstall/CorpInstallUsersGuide.pdf

Corporations can download the MSI installation files from:
http://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 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 8.1 Update 2014 (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 XP SP2 is supported by older versions of the DisplayLink software: 
http://www.displaylink.com/downloads


Installation on Windows Server 2008 R2 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-5500 / DL-5700 / DL-5900 / DL-5910
- DL-41xx
- DL-3100 / DL-3500 / DL-3700 / DL-3900 / DL-3950
- 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.

For information about specific issues please see the DisplayLink support
knowledgebase: http://www.displaylink.com/support/knowledgebase.php
