Dell U2715H Support Question
Dell U2715H Support Question
Find answers below for this question about Dell U2715H.Need a Dell U2715H manual? We have 6 online manuals for this item!
Question posted by orion503 on December 29th, 2015
Annoying Padlock Icon
After getting my new UltraSharp U2715H monitor set up it works perfectly ... except for an annoying padlock in the center of the screen that alternates between open and closed. I've tried everything I can think of and so far I've been unable to get rid of it.
Current Answers
Answer #1: Posted by waelsaidani1 on December 29th, 2015 10:33 PM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,777
Member since:
May 12th, 2013 Points: 19,501,777
* Switch the monitor off
* Disconnect all monitor cabling from the PC (VGA, DVI, HDMI, DP, USB, etc.)
* Disconnect the monitor power cord from the rear of the monitor
* Press and hold the monitor power button in for 5 seconds
* Reconnect the monitor to the PC video card
* Reconnect the monitor power cord to the rear of the monitor
* Switch the monitor on
* You must continue to hold the button #5 in until the unlock padlock disappears
* Disconnect all monitor cabling from the PC (VGA, DVI, HDMI, DP, USB, etc.)
* Disconnect the monitor power cord from the rear of the monitor
* Press and hold the monitor power button in for 5 seconds
* Reconnect the monitor to the PC video card
* Reconnect the monitor power cord to the rear of the monitor
* Switch the monitor on
* You must continue to hold the button #5 in until the unlock padlock disappears
Related Dell U2715H Manual Pages
Dell Users Guide - Page 6
... Display Manager Software included (comes in the CD shipped with the
6 | About Your Monitor The monitor features include:
∞∞ U2715H: 68.5 cm (27 inch) viewable area display (measured diagonally). 2560 x 1440 resolution, plus full-screen support for ease of set up with an elegant viewing experience.
∞∞ Removable stand and Video Electronics Standards...
Dell Users Guide - Page 7
... ratio while maintaining
the image quality. ∞∞ EPEAT Gold Rating. ∞∞ U2715H monitor is BFR/PVC-free (Halogen-free) excluding external cables. ∞∞ TCO-Certified Displays...sleep mode. ∞∞ Energy Gauge shows the energy level being consumed by the monitor in real
time.
∞∞ Analogue backlight dimming control for flicker free display. Identifying...
Dell Users Guide - Page 10
To enable MST, refer to use the USB connectors on the monitor. Monitor Specifications
Flat Panel Specifications
Model Screen type Panel type Viewable image Diagonal Horizontal, Active Area Vertical, Active Area Area Pixel pitch Viewing angle
Luminance output Contrast ratio
Faceplate coating Backlight
U2715H Active matrix - Connect your USB device. Connect your speakers*. You can...
Dell Users Guide - Page 11
...1976 (91%), CIE 1931 (76%) and sRGB coverage 99%
Resolution Specifications
Model Horizontal scan range Vertical scan range Maximum preset resolution
U2715H 30 kHz to 113 kHz (automatic) 56 Hz to 86 Hz (automatic) 2560 x 1440 at 60 Hz
Supported Video Modes
...28.3 25.2 31.5 40.0 49.5 65.0 78.8 108.0 108.0 135.0 162.0 148.5 241.5
Sync Polarity (Horizontal /
Vertical
About Your Monitor | 11
Dell Users Guide - Page 12
...2560 x 1440/ 60Hz
Maximum number of external monitor that can be
supported
2560x1440/60Hz 1920x1200/60Hz 1920x1080/60Hz
1
2
2
Electrical Specifications
Model Video input signals
AC input voltage/frequency/ current Inrush current
U2715H
∞∞ HDMI 1.4 (MHL 2.0)*, 600mV for each differential line, 100 ohm input impedance per differential pair
∞∞ DisplayPort 1.2**, 600mV...
Dell Users Guide - Page 13
no cables) Weight of stand assembly Front frame gloss
U2715H DP, black connector (includes DP in and DP out); USB 3.0 ∞∞ Digital...lb)
4.91 kg (10.08 lb)
2.11 kg (4.64 lb) Black Frame - 13 gloss unit (max.)
About Your Monitor | 13 Mini DisplayPort; Physical Characteristics
Model Connector type
Signal cable type
Dimensions (with stand) Height (extended) Height (compressed) Width...
Dell Users Guide - Page 14
... from the keyboard, mouse or other input devices, the monitor automatically resumes functioning. VESA Horizontal Vertical
Modes
Sync
Sync
Video... PC, the monitor can only be displayed:
14 | About Your Monitor
Environmental Characteristics
Model Temperature Operating Non-operating
Humidity Operating Non-operating
Altitude Operating Non-operating Thermal dissipation
U2715H
0 °C...
Dell Users Guide - Page 15
... the mouse to select the correct input source on the On-Screen-Display menu.
If there is no display, press the monitor button now to wake it up . NOTE: This monitor is no signal coming from your device. About Your Monitor | 15 Dell U2715H There is no signal coming from your device to the OSD...
Dell Users Guide - Page 19
... its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so the system can select different settings if desired.
Most monitor installations are automatic, you can configure itself and optimize the monitor settings. About Your Monitor | 19 MHL Connector
Pin Number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
19-pin...
Dell Users Guide - Page 25
.... To enable MST connection, please use of factory setting in box (or other DP1.2 certified cable) and change the DP setting to DP1.2 by performing the below steps: A) Monitor is DP1.1a. Setting Up the Monitor | 25
To make use only DP cable as provided in the U2715H is able to DP1.2 with MST option. The...
Dell Users Guide - Page 26
... ensure your Graphics Card can support DP MST(Daisy Chain)/ HBR2(High Bit Rate) before changing the monitor setting to confirm selection of DP1.2 or DP1.1a. Incorrect setting may result in blank screen on monitor. Dell U2715H Brightness / Contrast Input Source Color
Energy Menu Personalize Others
Aspect Ratio Sharpness Dynamic Contrast Response Time DP 1.2 Reset...
Dell Users Guide - Page 27
... to exit without making any content (blank screen) 1. Repeat the above steps to change the setting back to highlight DP or mDP. The DisplayPort configuration message will appear:
Dell U2715H DP 1.2? DP mDP
2.
Use the and button to DP 1.1a if necessary. Appearance of illustration only. B) Monitor fails to show any changes.
Enable Disable...
Dell Users Guide - Page 28
...MHL source device enters Standby mode, the monitor will display black screen or show the massage below, depending on ..., please perform the below steps: 28 | Setting Up the Monitor Turn On the monitor and the computer. NOTE: Some MHL source devices... on MHL source device's output. Dell U2715H Entering Power Save Mode. Use the cable slot on the monitor.
3.
Plug the power cables for details...
Dell Users Guide - Page 34
....
1. The changes are also saved if you change the settings and then wait for digital (mini DisplayPort) input
Dell U2715H
Brightness / Contrast Input Source Color
Display
Energy
50
Menu
Personalize
Others
Resolution: 1920x1080, 60Hz
Energy Use 50
Maximum: 2560x1440, 60Hz
or 34 | Operating the Monitor Main Menu for digital (HDMI (MHL) 1/ HDMI (MHL...
Dell Users Guide - Page 35
... a complete list of all the options available for digital (DP) input
Dell U2715H
Brightness / Contrast Input Source Color
Display
Energy
50
Menu
Personalize
Others
Resolution: 1920x1080..., to activate the highlighted option.
4. Operating the Monitor | 35 Press and button to the main menu. Press the and buttons to move from one icon to another, the option name is highlighted. Select ...
Dell Users Guide - Page 36
...to activate Brightness/Contrast adjustment. The Contrast function adjusts the degree of the backlight. Icon
Menu and Submenus
Brightness/ Contrast
Description
Use this menu to decrease the brightness (min....and press the button to decrease the contrast (min. 0 / max. 100). Dell U2715H Brightness / Contrast Input Source Color Display Energy Menu Personalize Others
Energy Use
50
50
Resolution...
Dell Users Guide - Page 37
... / Contrast Input Source Color Display Energy Menu Personalize Others
Input Color Format Gamma Preset Modes Reset Color Settings
Energy Use RGB PC Standard
Resolution: 1920x1080, 60Hz
Maximum: 2560x1440, 60Hz
Operating the Monitor | 37 Dell U2715H Brightness / Contrast Input Source Color Display Energy Menu Personalize Others
DP mDP HDMI(MHL) 1 HDMI(MHL) 2
Energy Use...
Dell Users Guide - Page 43
... Ratio or Rotation and set it as a shortcut key. Others
Dell U2715H
Energy Use
Brightness / Contrast Input Source Color Display Energy Menu
Button Sound DDC/CI LCD Conditioning Reset Other Settings Factory Reset
O Enable Disable
Reset All Settings
Personalize
Others
Resolution: 1920x1080, 60Hz
Maximum: 2560x1440, 60Hz
Button Sound The monitor beeps everytime a new option is selected...
Dell Users Guide - Page 62
Setting Up Your Monitor
Setting the display resolution
For maximum display performance with internet access
1. Please choose the scenario below that supports these resolutions. NOTE: If you are unable to set...click on the desktop and click Personalization. 3.
Click Advanced Settings. 5. Right-click on the desktop and click Screen Resolution. 3. For Windows® 8 and Windows®...
Dell Display Manager Users Guide - Page 1
... the system is connected to the system, a specific target monitor can be selected using the menu provided. Using the Quick Settings Dialog
Clicking Dell Display Manager's notification tray icon opens the Quick Settings dialog box. The Quick Settings dialog box allows convenient adjustment of monitors.
The Quick Settings dialog box also provides access to Dell Display Manager's advanced...
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