Acer G257HU User Manual Download

Page: 27 / 27

English

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/DP Mode (Optional)

Problem

LED status

Remedy

No picture visible

Blue

Using the OSD menu, 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.

Blinking Blue

Check if the video signal cable is properly
connected at the back of monitor.

Check if the computer system is switched on
and in power saving/standby mode.

Summary of Contents for G257HU

Page 1: ...Acer LCD Monitor User Guide ...

Page 2: ... 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 witho...

Page 3: ...y 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 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 ...

Page 4: ...ked 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 ...

Page 5: ...upplycordset Ifyouneedtoreplacethepower cordset makesurethatthenewpowercordmeetsthefollowingrequirements detachable type UL listed CSA certified type SPT 2 rated 7 A 125 V minimum VDE approved or its equivalent 4 6 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 R...

Page 6: ...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 i...

Page 7: ...puter 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 di...

Page 8: ...d 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 dis...

Page 9: ... or other standardizing documents EN55022 2010 Class B EN55024 2010 EN 61000 3 2 2006 A1 2009 A2 2009 Class D EN61000 3 3 2008 EN60950 1 2006 A11 2009 A1 2010 A12 2011 Regulation EC No 1275 2008 EN 50564 2011 IEC 62301 2011 EN50581 2012 We hereby declare above product is in compliance with the essential requirements and other relevant provisions of EMC Directive 2004 108 EC Low Voltage Directive 2...

Page 10: ...ay not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation The following local Manufacturer Importer is responsible for this declaration Product LCD Monitor Model Number G257HU SKU Number G257HU xxxxxx x 0 9 a z orA Z Name of Responsible Party AcerAmerica Corporation Address of Responsible Party 333 West San C...

Page 11: ... care of your vision viii Developing good work habits viii Declaration of Conformity ix Federal Communications Commission Declaration of Conformity x Unpacking 1 Attaching the base for selected models 2 Screen position adjustment 3 Connecting the adapter and AC Power cord 3 Power saving 3 Display Data Channel DDC 4 Connector pin assignment 4 24 pin color display signal cable 4 19 pin color display...

Page 12: ...English Setting Menu 13 Information Menu 14 Troubleshooting 15 DVI HDMI DP Mode Optional 15 ...

Page 13: ...e 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 Audio cable Optional DP Cable Optional HDMI cable Optional AC Power cord DVI cable Optional AC Adapter ...

Page 14: ...the base to the monitor stand arm by turning the white screw using the integrated tab or a suitable coin for selected models Note Remove the monitor and monitor base from its packaging Carefully place the monitor face down on a stable surface use a cloth to avoid scratching the screen Note Take care when performing the installation to avoid injuring yourself ...

Page 15: ...r 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 savi...

Page 16: ...d corresponding timing The monitor supports the DDC2B standard 24 pin color display signal cable PIN No Description PIN No Description 1 TMDS data 2 13 TMDS data 3 2 TMDS data 2 14 5 V power 3 TMDS data 2 4 shield 15 DVI detect 4 TMDS data 4 16 Hot plug detection 5 TMDS data 4 17 TMDS data 0 6 DDC clock 18 TMDS data 0 7 DDC data 19 TMDS data 0 5 shield 8 NC 20 TMDS data 5 9 TMDS data 1 21 TMDS dat...

Page 17: ...lock 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 20 pin color display signal cable 11 13 15 17 19 9 7 5 3 1 2 6 4 8 10 1412 16 18 PIN No Description PIN No Description 1 ML_Lane 0 2 GND 3 ML_Lane 0 4 ML_Lane 1 5 GND 6 ML_Lane 1 7 ML_Lane 2 8 GND 9 ML_Lane 2 10 ML_Lane 3 11 GND 12 ML_Lane 3 13 CONFIG1 14 CONFIG2 15 AUX CH 16 G...

Page 18: ...0 49 500 MAC 832x624 74 55Hz 1152x667 49 722 74 550 57 280 1024x768 60Hz 1344x806 48 363 60 004 65 000 1024x768 70Hz 1328x806 56 476 70 069 75 000 1024x768 75Hz 1312x800 60 023 75 029 78 750 MAC 1152x870 75Hz 1456x915 68 681 75 062 100 000 1152x864 75Hz 1600x900 67 500 75 000 108 000 1280x960 60Hz 1800x1000 60 000 60 000 108 000 1280x1024 60Hz 1688x1066 63 981 60 020 108 000 1280x1024 75Hz 1688x10...

Page 19: ...ptional only DP Input Model a Make sure both the monitor and computer are powered OFF b Connect the DP cable to the computer c Connect the audio cable Optional only Audio input Model 2 Connect the adapter a Connect the AC cord to the adapter b Connect one end of the adapter to the monitor and the other end to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor firs...

Page 20: ...settings of the current function 3 Menu Enter button Press to view the OSD menu Press it again to enter a selection in the OSD menu 4 Auto Exit button When the OSD menu is active press this button to exit the OSD menu WhentheOSDmenuisinactive pressthisbuttonfortwoseconds toactivatetheAutoAdjustmentfunctionandthemonitorwill automaticallyoptimizethedisplayposition focus andclockof your display For V...

Page 21: ...ess the scenario modes Auto Press the Auto button to activate the Auto Adjustment function and the monitor will automatically optimize the display position focus and clock of your display For VGA mode only Menu Press the Menu button to activate the OSD menu Volume Press the Volume button to adjust volume Optional only Audio Input Model Input Press the Input button to select from different video so...

Page 22: ...n and exit Acer eColor Management Features and benefits Icon Mode type Description User mode User defined Settings can be fine tuned to suit any situation ECO mode Adjusts the settings to reduce power consumption Standard mode Default settings Reflects native display capability Graphic mode Enhances colors and emphasizes fine detail Pictures and photographs appear in vibrant colors with sharp deta...

Page 23: ...mp Super Sharpness 6 axis Saturate Gamma 70 50 Blue Light 2 2 Blue Light Off sRGB mode Off Off 6 axis Hue 1 Press the Menu button to bring up the OSD menu 2 Press the button to select Picture and press the Menu button to enter the Picture menu The following options are available in the Picture menu Acer ecolor Management Blue Light Brightness Contrast 6 axis Saturate 6 axis Hue sRGB mode Super sha...

Page 24: ...meout 10 1 Press the Menu button to bring up the OSD menu 2 Press the button to select OSD and press the Menu button to enter the OSD menu 3 To adjust the OSD H Position V Position press the Menu button to enter its sub menu 4 Press the button to to adjust the target position and press the Auto button to confirm ...

Page 25: ...al 1 Press the Menu button to bring up the OSD menu 2 Press the button to select Setting and press the Menu button to enter the Setting menu The following options are available in the Setting menu Wide Mode DDC CI OD ACM Input Language and Reset 3 Press the button to scroll through the Setting options and press the Menu button to enter its sub menu 4 Press the button to adjust select the setting a...

Page 26: ...ys the basic information of the LCD monitor Information S N ETRLA00803104000502400 2560x1440 H 68KHz V 60Hz HDMI Input 1 Press the Menu button to bring up the OSD menu 2 To view the basic information of the LCD monitor press the button to select Information ...

Page 27: ...LED status Remedy No picture visible Blue Using the OSD menu 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 Blinking Blue Check if the video signal cable is properly connected at the back of monitor Check if the computer system is switched on and in power saving standby mode ...

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