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Acer LCD Monitor User's Guide
Changes may be made periodically to the information in this publication without obligation to notify any person of such revisions or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims the implied warranties of merchantability or fitness for a particular purpose. Record the model number, serial number, purchase date and place of purchase information in the space provided below. The serial number and model number are recorded on the label affixed to your computer. All correspondence concerning your unit should include the serial number, model number and purchase information. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronically, mechanically, by photocopy, recording or otherwise, without the prior written permission of Acer Incorporated. Model number: __________________________________ Serial number: ___________________________________ Date of purchase: ________________________________ Place of purchase: ________________________________ Copyright © 2013 . Acer Incorporated. All Rights Reserved. Acer LCD Monitor User's Guide Original Issue: 01/20 Acer LCD Monitor User's Guide Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies' product names or trademarks are used herein for identification purposes only and belong to their respective companies. 13
iii Special notes on LCD monitors The following are normal with the LCD monitor and do not indicate a problem. • Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the power switch and then turn it on again to make sure the flicker disappears. • You may find slightly uneven brightness on the screen depending on the desktop pattern you use. • The LCD screen has 99.99% or more effective pixels. It may include blemishes of 0.01% or less such as a missing pixel or a pixel lit all the time. • Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image, when the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off the power switch for a few hours. Information for your safety and comfort Safety instructions Read these instructions carefully. Keep this document for future reference. Follow all warnings and instructions marked on the product. Cleaning your monitor Please carefully follow these guidelines when cleaning the monitor: • Always unplug the monitor before cleaning. • Use a soft cloth to wipe the screen and cabinet front and sides. Connecting/disconnecting the device Observe the following guidelines when connecting and disconnecting power from the LCD monitor: • Make sure the monitor is attached to its base before connecting the power cord to the AC power outlet. • Make sure both the LCD monitor and the computer are turned off before connecting any cable or unplugging the power cord. • If the system has multiple sources of power, disconnect power from the system by unplugging all power cords from the power supplies.
iv Accessibility Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. When you need to disconnect power from the equipment, be sure to unplug the power cord from the electrical outlet. Safe listening To protect your hearing, follow these instructions. • Gradually increase the volume until you can hear it clearly and comfortably and without distortion. • After setting the volume level, do not increase it after your ears have adjusted. • Limit the amount of time listening to music at high volume. • Avoid turning up the volume to block out noisy surroundings. • Turn the volume down if you can't hear people speaking near you. Warnings • Do not use this product near water. • Do not place this product on an unstable cart, stand or table. If the product falls, it could be seriously damaged. • Slots and openings are provided for ventilation to ensure reliable operation of the product and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product should never be placed near or over a radiator or heat register, or in a built-in installation unless proper ventilation is provided. • Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind onto or into the product. • To avoid damage of internal components and to prevent battery leakage, do not place the product on a vibrating surface. • Never use it under sporting, exercising, or any vibrating environment which will probably cause unexpected short current or damage internal devices. Using electrical power • This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. • Do not allow anything to rest on the power cord. Do not locate this product where people will walk on the cord. • If an extension cord is used with this product, make sure that the total
v ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating. • Do not overload a power outlet, strip or receptacle by plugging in too many devices. The overall system load must not exceed 80% of the branch circuit rating. If power strips are used, the load should not exceed 80% of the power strip's input rating. • This product's power cord is equipped with a three-wire grounded plug. The plug only fits in a grounded power outlet. Make sure the power outlet is properly grounded before inserting the power cord plug. Do not insert the plug into a non-grounded power outlet. Contact your electrician for details. Warning! The grounding pin is a safety feature. Using a power outlet that is not properly grounded may result in electric shock and/or injury. Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this product. • Use the product only with the supplied power supply cord set. If you need to replace the power cord set, make sure that the new power cord meets the following requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.5 meters (15 feet) maximum length. Product servicing Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel. Unplug this product from the wall outlet and refer servicing to qualified service personnel when: • the power cord or plug is damaged, cut or frayed • liquid was spilled into the product • the product was exposed to rain or water • the product has been dropped or the case has been damaged • the product exhibits a distinct change in performance, indicating a need for service • the product does not operate normally after following the operating instructions
vi Note: Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition. Potentially explosive environments Switch off your device in any area with a potentially explosive atmosphere and obey all signs and instructions. Potentially explosive atmospheres include areas where you would normally be advised to turn off your vehicle engine. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death. Switch off the device near gas pumps at service stations. Observe restrictions on the use of radio equipment in fuel depots, storage and distribution areas; chemical plants; or where blasting operations are in progress. Areas with a potentially explosive atmosphere are often, but not always, marked. They include below deck on boats, chemical transfer or storage facilities, vehicles using liquefied petroleum gas (such as propane or butane), and areas where the air contains chemicals or particles such as grain, dust or metal powders. Additional safety information Your device and its enhancements may contain small parts. Keep them out of the reach of small children. IT Equipment Recycling Information Acer is strongly committed to environmental protection and views recycling, in the form of salvaging and disposal of used equipment, as one of the company's top priorities in minimizing the burden placed on the environment. We at Acer are very conscious of the environmental effects of our business and strive to identify and provide the best working procedures to reduce the environmental impact of our products. For more information and help when recycling, please go to this website: Visit www. .com for further information on the features and benefits of our other products. http://www.acer-group.com/public/Sustainability acer-group
vii Disposal instructions Do not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle. For more information on the Waste from Electrical and Electronics Equipment (WEEE) regulations, visit LCD pixel statement The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may occasionally misfire or appear as black or red dots. This has no effect on the recorded image and does not constitute a malfunction. Certain electronic devices such as hard drives, USB devices, tablet computers, laptops, cellphones, watches, earphones, speakers, credit cards, magnetic ID cards, etc. are sensitive to magnetic fields and may be damaged permanently or temporarily disabled if exposed to a magnetic field that is too strong. Electronic devices should not be put close to or directly on the magnetic area of monitor base. Warning Message for Magnet Magnet http://www.acer‐group.com/public/Sustainability
viii This product has been shipped enabled for power management: • Activate display’s Sleep mode within 15 minutes of user inactivity. • Activate computer’s Sleep mode within 30 minutes of user inactivity. • Wake the computer from Sleep mode by pushing the power button. Tips and information for comfortable use Computer users may complain of eyestrain and headaches after prolonged use. Users are also at risk of physical injury after long hours of working in front of a computer. Long work periods, bad posture, poor work habits, stress, inadequate working conditions, personal health and other factors greatly increase the risk of physical injury. Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or other musculoskeletal disorders. The following symptoms may appear in the hands, wrists, arms, shoulders, neck or back: • numbness, or a burning or tingling sensation • aching, soreness or tenderness • pain, swelling or throbbing • stiffness or tightness • coldness or weakness If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer use, consult a physician immediately and inform your company's health and safety department. The following section provides tips for more comfortable computer use. Finding your comfort zone Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or raising your sitting height to achieve maximum comfort. Observe the following tips: • refrain from staying too long in one fixed posture • avoid slouching forward and/or leaning backward • stand up and walk around regularly to remove the strain on your leg muscles
ix Taking care of your vision Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low-contrast displays could stress your eyes. The following sections provide suggestions on how to reduce eyestrain. Eyes • Rest your eyes frequently. • Give your eyes regular breaks by looking away from the monitor and focusing on a distant point. • Blink frequently to keep your eyes from drying out. Display • Keep your display clean. • Keep your head at a higher level than the top edge of the display so your eyes point downward when looking at the middle of the display. • Adjust the display brightness and/or contrast to a comfortable level for enhanced text readability and graphics clarity. • Eliminate glare and reflections by: • placing your display in such a way that the side faces the window or any light source • minimizing room light by using drapes, shades or blinds • using a task light • changing the display's viewing angle • using a glare-reduction filter • using a display visor, such as a piece of cardboard extended from the display's top front edge • Avoid adjusting your display to an awkward viewing angle. • Avoid looking at bright light sources, such as open windows, for extended periods of time. Developing good work habits Develop the following work habits to make your computer use more relaxing and productive: • Take short breaks regularly and often. • Perform some stretching exercises. • Breathe fresh air as often as possible. • Exercise regularly and maintain a healthy body.
Acer Incorporated 8F, 88, Sec. 1, Xintai 5th Rd., Xizhi New Taipei City 221, Taiwan Declaration of Conformity We, Acer Incorporated 8F, 88, Sec. 1, Xintai 5th Rd., Xizhi, New Taipei City 221, Taiwan Contact Person: Mr. RU Jan, e-mail:firstname.lastname@example.org And, Acer Italy s.r.l Via Lepetit, 40, 20020 Lainate (MI) Italy Tel: +39-02-939-921 ,Fax: +39-02 9399-2913 www.acer.it Declare under our own responsibility that the product: Product: LCD Monitor Trade Name: Acer Model Number: B286HK SKU Number: B286HK xxxxxx; (“x” = 0~9, a ~ z, A ~ Z, or blank) To which this declaration refers conforms to the relevant standard or other standardizing documents: EN 55022:2006/A1:2007 Class B; EN 55024:2010 EN61000-3-3:2008 EN 60950-1:2006/A11:2009/A1:2010 +A12:2011 EN50581:2012 We hereby declare above product is in com pliance w ith the essential requirem ents and other relevant provisions of EMC Di rective 200 4/108/EC, Low Voltage Directive 2006/95/EC, and RoHS Directive 2011/65/EU and Directive 2009/125/EC with regard to establishing a framework for the setting of ecodesign requirements for energy-related product. Year to begin affixing CE marking 2013. _______________________________ RU Jan / Sr. Manager Date Regulation, Acer Inc. Feb.17 , 2013 EN 61000-3-2:2006+A1:2009+A2:2009, Class D
Acer America Corporation 333 West San Carlos St., Suite 1500 San Jose, CA 95110, U. S. A. Tel : 254-298-4000 Fax : 254-298-4147 www.acer.com Federal Communications Commission Declaration of Conformity This device com plies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device ma y not cause harmful in terference, and (2) this device m ust accept any interferen ce receiv ed, incl uding interference that may cause undesired operation. The following local Manufacturer /Importer is responsible for this declaration: Product: LCD Monitor Model Number: B286HK SKU Number: B286HK xxxxxx ; (“x” = 0~9, a ~ z, A ~ Z or Blank) Name of Responsible Party: Acer America Corporation Address of Responsible Party: 333 West San Carlos St. Suite 1500 San Jose, CA 95110 U. S. A. Contact Person: Acer Representative Phone No.: 254-298-4000 Fax No.: 254-298-4147
1 Special notes on LCD monitors iii Information for your safety and comfort iii Safety instructions iii Cleaning your monitor iii Connecting/disconnecting the device iii Accessibility iv Safe listening iv Warnings iv Using electrical power iv Product servicing v Additional safety information vi IT equipment recycling information vi Disposal instructions vii LCD pixel statement vii Tips and information for comfortable use viii Federal Communications Commission Declaration of Conformity xi Unpacking 1 Attaching/removing the base 2 Screen position adjustment 2 Connecting the power cord 5 Power saving Display Data Channel (DDC) Connector pin assignment Standard timing table Installation User controls How to adjust a setting Acer eColor Management 12 User 13 Troubleshooting 15 15 DVI mode 16 5 5 6 8 9 10 11 DP mode 16 HDMI mode
1 English Unpacking Please check that the following items are present when you unpack the box, and save the packing materials in case you need to ship or transport the monitor in the future. LCD monitor Quick start guide DVI cable (Option) AC power cord Audio Cable (Option) (Option) DP cable (Option) USB cable HDMI Cable (Optional) MHL cable (Optional) MHL cable (optional) MiniDP-MiniDP
2 ATTACHING/REMOVING THE BASE ATTACHING/REMOVING THE BASE ATTACHING/REMOVING THE BASE ATTACHING/REMOVING THE BASE ATTACHING/REMOVING THE BASE Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base clockwise. Tighten the screw clock- wise. Remove: Reverse the steps to remove the base. English
3 SCREEN POSITION ADJUSTMENT SCREEN POSITION ADJUSTMENT SCREEN POSITION ADJUSTMENT SCREEN POSITION ADJUSTMENT SCREEN POSITION ADJUSTMENT In oder to optimize the best viewing position, you can adjust the height/tilt/ swivel/pivot of the monitor. • • • t l i T t l i T Tilt Tilt Tilt Please see the illustration below for an example of the tilt range. • • • Height Adjustment Height Adjustment Height Adjustment Height Adjustment Height Adjustment After pressing the top of the monitor then you can adjust the height of the monitor. English 5o o 35 Only at the highest point can 35 degrees of recline be offered for the angle of elevation. 1 2 150mm
4 • • • l e v i w S l e v i w S l e v i w S l e v i w S Swivel With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle. • • • Monitor Pivot Monitor Pivot Monitor Pivot Monitor Pivot Monitor Pivot Rotate clockwise until the monitor stops at 90°. 90o 150 English Before rotating the display,lift it to the top position and then push it back to the utmost degree. o 60 60
5 English Connecting the power cord • Check first to make sure that the power cord you use is the correct type required for your area. • The monitor has a universal power supply that allows operation in either 100/120 V AC or 220/240 V AC voltage area. No user-adjustment is required. • Plug one end of the power cord to the AC inlet, and plug the other end into an AC outlet. • For units using 120 V AC: Use a UL-listed cord set, type SVT wire and plug rated 10 A/125 V. • For units using 220/240 V AC: Use a cord set consisting of H05VV-F cord and plug rated 10 A/250 V. The cord set should have the appropriate safety approvals for the country in which the equipment will be installed. Power saving The monitor will be switched to "power saving" mode by the control signal from the display controller, as indicated by the amber-colored power LED. The power saving mode will be kept until a control signal has been detected or the keyboard or mouse is activated. The recovery time from "power saving" mode back to "on" is around 3 seconds. Display Data Channel (DDC) To make installation easier, so long as your system supports the DDC protocol, the monitor is able to plug-and-play. The DDC is a communication protocol through which the monitor automatically informs the host system about its capabilities; for example, supported resolutions and corresponding timing. The monitor supports the DDC2B standard. Mode LED light On Blue Power saving Amber
6 English Connector pin assignment * only for certain models PIN No. Description PIN No. Description 1 TMDS Data2+ 2 TMDS Data2 Shield 3 TMDS Data2– 4 TMDS Data1+ 5 TMDS Data1 Shield 6 TMDS Data1– 7 TMDS Data0+ 8 TMDS Data0 Shield 9 TMDS Data0– 10 TMDS Clock+ 11 TMDS Clock Shield 12 TMDS Clock– 13 CEC 14 Reserved (N.C. on device) 15 SCL 16 SDA 17 DDC/CEC Ground 18 +5V Power 19 Hot Plug Detect 1 3 5 7 9 11 8 10 4 6 2 13 15 17 19 12 14 16 18 19-pin Color Display Signal cable*
6 English PIN No. Description PIN No. Description 1 13 2 14 3 15 4 16 17 18 7 19 20 9 10 11 12 5 8 6 Lane0(p) GND Lane0(n) Lane1(p) GND Lane1(n) Lane2(p) GND Lane3(n) Lane3(p) GND Lane3(n) Config1 Config2 AUX_CH (n) GND AUX_CH (p) Hot Plug Detect DP Power_Return DP Power 20-pin color Mini-DP cable* * only for certain models
7 English 24-pin color display signal cable* PIN No. Description PIN No. Description 1 TMDS data 2- 13 NC 2 TMDS data 2+ 14 +5 V power 3 TMDS data 2/4 shield 15 GND (return for +5 V hsync.vsync) 4 NC 16 Hot-plug detection 5 NC 17 TMDS data 0- 6 DDC clock 18 TMDS data 0+ 7 DDC data 19 TMDS data 0/5 shield 8 NC 20 NC 9 TMDS data 1- 21 NC 10 TMDS data 1+ 22 TMDS clock shield 11 TMDS data 1/3 shield 23 TMDS clock+ 12 NC 24 DDC TMDS clock- PIN No. Description PIN No. Description 1 13 2 14 3 15 4 16 17 18 7 19 20 9 10 11 12 5 8 6 Lane0(p) GND Lane0(n) Lane1(p) GND Lane1(n) Lane2(p) GND Lane3(n) Lane3(p) GND Lane3(n) Config1 Config2 AUX_CH (n) GND AUX_CH (p) Hot Plug Detect DP Power_Return DP Power 20-pin color display signal cable* * only for certain models
8 English Standard timing table 1 VGA 640x480@60Hz 2 VGA 640x480@72Hz 3 VGA 640x480@75Hz 4 MAC email@example.comHz 5 VESA 720x400@70Hz 6 SVGA 800x600@56Hz 7 SVGA 800x600@60Hz 8 SVGA 800x600@72Hz 9 SVGA 800x600@75Hz 10 MAC firstname.lastname@example.orgHz 11 XGA 1024x768@60Hz 12 XGA 1024x768@70Hz 13 XGA 1024x768@75Hz 14 MAC 1152x870@75Hz 15 VESA 1152x864@75Hz 16 VESA 1280x960@60Hz 17 SXGA 1280x1024@60Hz 18 SXGA 1280x1024@75Hz 19 VESA 1280x720@60Hz 20 WXGA 1280x800@60Hz 21 WXGA+ 1440x900@60Hz 22 WSXGA+ 1680x1050@60Hz 23 FHD 1920x1080@60Hz 24 UHD 3840x2160@30Hz 25 UHD 3840x2160@60Hz
9 English Installation To install the monitor on your host system, please follow the steps below: Steps 1 Connect the video cable a Make sure both the monitor and computer are switched off. (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 24-pin DVI cable to the back of the monitor and the other end to the computer's port. 2 Connect the power cord Connect the power cord to the monitor, then to a properly grounded AC outlet. Turn on the monitor and computer Turn on the monitor first, then the computer. This sequence is very important. If the monitor does not function properly, please refer to the troubleshooting section to diagnose the problem. Connect the digital cable (only for DP or Mini-DP models). (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 20-pin DP cable or Mini-DP cable to the back of the monitor and the other end to the computer's port. Optional:Connect the audio input socket(AUDIO IN) of the LCD monitor and the line-out port on the computer with the audio cable. Connect the Connect the USB Cable(Optional) USB 3.0 cable to port for fast charge. Connect the USB 3.0 cable to port. 3 4 5 6 HDMI Cable (Only HDMI or MHL Input Model) a. Make sure both the monitor and computer are powered-OFF. b. Connect the HDMI or MHL cable to the computer. b Connect the digital cable (only for dual-input models). c d 2 USB USB
EN-13 USER CONTROLS Power Switch / Power LED: To turn the monitor ON or OFF. Lights up to indicate the power is turned ON. Using the Shortcut Menu Press the function button to open the shortcut menu. The shortcut menu lets you quickly select the most commonly accessed settings. Empowering: Press the Empowering Key to open the Acer eColor Management OSD and access the scenario modes. MENU OSD functions Press this botton to activate the OSD menu. INPUT Input Key Use Input key to select from different video sources that may be connected to your monitor. (a) HDMI input (b) DVI input (c) DP input As you cycle through the sources you will see the following messages on right top side of screen to indicate currently selected input source. It may take 1 or 2 seconds for the image to appear. If either DVI input is selected ,but the DVI cables are not con- nected, a floating dialog box indicates: “No Cable Connect” or “No Signal” HDMI or DVI or DP PIP (picture in picture hotkey) Use the PIP hotkey to active the picture-in-picture function. (d) Mini-DP or Mini-DP
EN-14 Main Menu icon Sub Menu icon Sub Menu item Description N/A User mode User defined. Settings can be fine-tuned to suit any situation N/A N/A Standard mode Default Setting. Reflects native display capability N/A Grahpic mode Enhances colors and emphasize fine detail. Pictures and photographs appear in vibrant colors with sharp detail. N/A Movie mode Displays scenes in clearest detail. Presents g r e a t v isu a ls , e v e n in u n s u ita b ly - lit environments. Acer eColor Management Operation instructions Step 1: Press “ “ Key to open the Acer eColor Management OSD and access the scenario modes Step 2: Press “ “ or “ ” to select the mode Features and Benefits Step 3: Press “ “ Key to confirm the mode and exit the eColor menu. mode ECO Adjusts the settings to reduce power consumption.
EN-15 Adjusting the OSD settings -------------------------------------------------------------------- Note: The following content is for general reference only. Actual product specifications may vary. The OSD can be used for adjusting the settings of your LCD Monitor. Press the MENU key to open the OSD. You can use the OSD to adjust the picture quality, OSD position and general settings. For advanced settings, please refer to following page: Adjusting the picture quality 1 Press the MENU key to bring up the OSD. 2 Using the / keys, select Picture from the OSD. Then navigate to the picture element you wish to adjust. 3 Use the / keys to adjust the sliding scales. 4 The Picture menu can be used to adjust the Brightness, Contrast, Colour Temp, 6‐axis Saturation, 6‐axis Hue and other image‐related qualities. 5 6‐axis Saturate: Adjust saturation of red, green, blue, yellow, magenta and cyan 6‐axis Hue: Adjust hue for red, green, blue, yellow, magenta and cyan. 6 Super Sharpness technology can simulate high-resolution images by boosting the pixel density of the original source. It can make the image more sharper and clear. DP mode selection,the default out of DP signal setting in B286HK is DP1.2. User can follow the setting message to confirm selection of DP1.2 or DP1.1 7
EN-16 Adjusting the OSD position 1 Press the MENU key to bring up the OSD. 2 Using the directional keys, select OSD from the on screen display. Then navigate to the feature you wish to adjust.
EN-17 Adjusting the setting 1 Press the MENU key to bring up the OSD. 2 Using the / keys, select Setting from the OSD. Then navigate to the feature you wish to adjust. 3 The Setting menu can be used to adjust the screen Menu Language and other important settings. 4 Select Power-off USB charge ON/OFF to enable/disable Power-off USB charge function. 5 Select PIP to adjust picture‐in‐picture settings. The PIP signal source needs to be selected manually. When using PIP, "Wide mode", "ACM" will be enabled for the main source display. "Wide mode" is not supported when using PBP function. 7 6
EN-18 Product information 1 Press the MENU key to bring up the OSD. 2 Using the / keys, select Information from the OSD. Then the basic information of LCD monitor will show up for current input.
Troubleshooting Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. DVI / HDMI mode Problem LED status Remedy No picture visible Blue Using the OSD, adjust brightness and contrast to maximum or reset to their default settings. Off Check the power switch. Check if the AC power cord is properly connected to the monitor. Amber Check if the video signal cable is properly connected at the back of monitor. Check that the computer system is switched on and in power saving/ standby mode. Problem LED status Remedy No picture visible Blue Using the OSD, adjust brightness and contrast to maximum or reset to their default settings. Off Check the power switch. Check if the AC power cord is properly connected to the monitor. Amber Check if the video signal cable is properly connected at the back of monitor. Check that the computer system is switched on and in power saving/ standby mode.
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