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Troubleshooting

Frequently asked questions (FAQ)

Imaging

The image is blurred.

• Read the instructions on the link

"Adjusting the Screen Resolution"

on the CD, and then

select the correct resolution, refresh rate and make adjustments based on these instructions.

• If a VGA extension cable is used, remove the extension cable for the test. Is the image now

in focus? If not, optimize the image by working through the instructions in the

"Adjusting

the refresh rate"

section on the link

"Adjusting the Screen Resolution"

. It is normal for

blurring to occur due to conduction losses in extension cables. You can minimize these

losses by using an extension cable with better conduction quality or with a built-in booster.

Does the blurring only occur at resolutions lower than the native (maximum) resolution?

Read the instructions on the link

"Adjusting the Screen Resolution"

on the CD.

Select the

native resolution.

Pixel errors can be seen.
One of several pixels is permanently black, one or more pixels are permanently white, one or

more pixels are permanently red, green, blue or another color.
• Clean the LCD screen.
• Cycle power on-off.
• These are pixels that are permanently on or off and is a natural defect that occurs in LCD

technology.

The image has a faulty coloration.

It has a yellow, blue or pink appearance.
Go to

Picture

and

Reset Color

, and then choose

YES

to reset the color settings to the

factory defaults.
If the image is still not correct and the OSD also has faulty coloration, this means one of the

three primary colors is missing in the signal input. Now check the signal cable connectors. If

any pin is bent or broken off, please contact your dealer to get necessary support.

The image is distorted, flashes or flickers.

Read the instructions on the link

"Adjusting the Screen Resolution"

on the CD, and

then

select the correct resolution, refresh rate and make adjustments based on these instructions.

You are running the monitor at its native resolution, but the image is still distorted.

Images from different input sources may appear distorted or stretched on the monitor running

at its native resolution. To have the optimal display performance of each type of input sources,

you can use the

Display Mode

function to set a proper aspect ratio for the input sources. See

Display Mode

on page 54

for details.

Содержание BL Series

Страница 1: ...BL Series LCD Monitor User Manual ...

Страница 2: ...e may be affected by external factors such as poor cable quality unstable power supply signal interference or poor grounding and not limited to the above mentioned external factors Applicable for flicker free models only BenQ ecoFACTS BenQ has been dedicated to the design and development of greener product as part of its aspiration to realize the ideal of the Bringing Enjoyment N Quality to Life c...

Страница 3: ...m2 must be used If a remote control is provided RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS For models with adapter Use only the power adapter supplied with your LCD Monitor Use of another type of power adapter will result in malfunction and or danger Allow adequate ventilation around the adapter when using it to operate the...

Страница 4: ... Do not place heavy loads on the monitor to avoid possible personal injury or damage to the monitor Consider keeping the box and packaging in storage for use in the future when you may need to transport the monitor Refer to the product label for information on power rating manufacture date and identification markings Servicing Do not attempt to service this product yourself as opening or removing ...

Страница 5: ...he monitor wall mounting kit 34 Getting the most from your BenQ monitor 35 How to install the monitor on a new computer 36 How to upgrade the monitor on an existing computer 37 How to install on Windows 10 system 38 How to install on Windows 8 8 1 system 39 How to install on Windows 7 system 40 How to adjust your monitor 41 The control panel 41 Basic menu operation 42 Picture optimization 44 Custo...

Страница 6: ...6 System menu 57 ECO menu selected models only 61 Troubleshooting 63 Frequently asked questions FAQ 63 Need more help 65 12 7 18 ...

Страница 7: ... damaged please contact the place of purchase for a replacement BenQ LCD Monitor Models with Bright Intelligence function Models without Bright Intelligence function Models with height adjustment stand Monitor Stand for models without height adjustment stand Monitor Base for models without height adjustment stand ...

Страница 8: ... adjustment stand Quick Start Guide CD ROM Power Cord Picture may differ from product supplied for your region Video Cable D Sub Optional accessory Video Cable DVI D Optional accessory Video Cable HDMI Optional accessory Video Cable DP Optional accessory ...

Страница 9: ...the package contents may subject to change without prior notice For cables that are not supplied with your product you can purchase them separately Consider keeping the box and packaging in storage for use in the future when you may need to transport the monitor The fitted foam packing is ideal for protecting the monitor during transport Always keep the product and accessories out of reach of smal...

Страница 10: ...ur monitor Front view Models with Bright Intelligence function Models without Bright Intelligence function BL2381T 1 Light sensor available for models with Bright Intelligence 2 Control buttons 3 Power button 4 Power LED indicator 3 4 2 1 3 4 2 3 2 1 4 ...

Страница 11: ...t ports on page 11 2 Stand release 3 Cable cover 4 Kensington lock slot Above diagram may vary depending on the model Picture may differ from product supplied for your region D SUB LINE IN 2 1 4 3 Models with DP inputs 1 AC power input jack 2 DisplayPort socket 3 HDMI socket 4 D Sub socket 5 Audio Line In 6 Headphone jack 7 DVI D socket Models with DVI inputs and speakers Models with DVI inputs D ...

Страница 12: ...splayPort socket 3 HDMI socket 4 D Sub socket 5 Audio Line In 6 Headphone jack 7 DVI D socket 8 USB 3 0 port upstream connecting to the PC 9 USB 3 0 ports downstream connecting to USB devices BL2381T BL2581T D SUB LINE IN 1 3 4 5 6 1 2 7 3 4 6 5 8 9 1 2 3 7 4 8 9 6 5 ...

Страница 13: ...wing connection illustrations are for your reference only For cables that are not supplied with your product you can purchase them separately For detailed connection methods see page 20 21 D SUB LINE IN Models with DP inputs PC Notebook Speakers Headphone ...

Страница 14: ...14 Getting to know your monitor LINE IN D SUB Models with DVI inputs PC Notebook Speakers Headphone PC Notebook Speakers Headphone ...

Страница 15: ...15 Getting to know your monitor D SUB LINE IN BL2283 PC Notebook Speakers Headphone ...

Страница 16: ...16 Getting to know your monitor BL2381T PC Notebook Speakers Headphone USB peripherals ...

Страница 17: ...17 Getting to know your monitor BL2581T PC Notebook Speakers Headphone USB peripherals The location and available input and output jacks may vary depending on the purchased model ...

Страница 18: ...depending on the purchased model Avoid finger pressure on the screen surface 1 Attach the monitor base Please be careful to prevent damage to the monitor Placing the screen surface on an object like a stapler or a mouse will crack the glass or damage the LCD substrate voiding your warranty Sliding or scraping the monitor around on your desk will scratch or damage the monitor surround and controls ...

Страница 19: ...d lock into place Carefully lift the monitor turn it over and place it upright on its stand on a flat even surface You should position the monitor and angle the screen to minimize unwanted reflections from other light sources Your monitor is an edge to edge monitor and should be handled with care Adjust the screen angle by placing your hands on the top and on the base of the monitor as illustrated...

Страница 20: ...g bent or broken 3 Connect the power cable to the monitor Pass the cable through the cable management hole on the stand arm first Plug one end of the power cord into the socket labelled on the rear of the monitor Do not connect the other end to a power outlet just yet 4 Connect the PC video cable Do not use both DVI D cable and D Sub cable on the same PC The only case in which both cables can be u...

Страница 21: ...able through the cable management hole on the stand arm first Connect the plug of the DP cable to the monitor video socket BL2381T BL2581T After the monitor and the computer are powered on if the image is not displayed disconnect the DP cable Connect the monitor to any video source other than DP first Go to System DisplayPort on the OSD menu of the monitor and change the setting from 1 2 to 1 1 On...

Страница 22: ...a between the PC and the USB devices connected to the monitor Connect the USB devices via other USB ports downstream on the monitor These downstream USB ports transmit data between connected USB devices and the upstream port 8 Install the cable cover After all cables haven been connected to the monitor work with the cable management system to route the cables properly Align the marking on the cabl...

Страница 23: ...monitor by pressing the power button on the monitor Turn on the computer too and select an input source by the OSD control keys The displayed input icons vary depending on the available video inputs of the purchased model Follow the instructions in Getting the most from your BenQ monitor on page 35 to install the monitor software To extend the service life of the product we recommend that you use ...

Страница 24: ...padded surface Please be careful to prevent damage to the monitor Placing the screen surface on an object like a stapler or a mouse will crack the glass or damage the LCD substrate voiding your warranty Sliding or scraping the monitor around on your desk will scratch or damage the monitor surround and controls 2 Remove the monitor stand Push down the stand gently until you cannot go further so you...

Страница 25: ... to assemble your monitor hardware for models without height adjustment stand 3 Remove the monitor base Release the thumbscrew on the bottom of the monitor base and detach the monitor base as illustrated 2 1 ...

Страница 26: ...he weight of the monitor Refer to the product specifications for weight information Turn off the monitor and the power before disconnecting the cables from the LCD monitor 1 Remove the monitor stand Lay the screen face down on a clean and well padded surface Push down the stand gently until you cannot go further so you can see the release button clearly Insert a pointed object such as a screwdrive...

Страница 27: ...racket you purchased to complete the installation Use four M4 x 10 mm screws to fix a VESA standard wall mount bracket to the monitor Make sure that all screws are tightened and secured properly Consult a professional technician or BenQ service for wall mount installation and safety precautions ...

Страница 28: ...r around on your desk will scratch or damage the monitor surround and controls Protect the monitor and screen by clearing a flat open area on your desk and placing a soft item like the monitor packaging bag on the desk for padding Gently lay the screen face down on a flat clean padded surface While holding the monitor firmly against the desk pull the monitor stand arm upwards clear of the monitor ...

Страница 29: ...d position the monitor and angle the screen to minimize unwanted reflections from other light sources Follow the instructions to connect cables and peripherals The illustrations in this document are for your reference only and may look different from the appearance of the product The location and available input and output jacks may vary depending on the purchased model 1 Connect the PC video cabl...

Страница 30: ...learing a flat open area on your desk and placing a soft item like a towel on the desk for padding before laying the screen face down on a flat clean padded surface Please be careful to prevent damage to the monitor Placing the screen surface on an object like a stapler or a mouse will crack the glass or damage the LCD substrate voiding your warranty Sliding or scraping the monitor around on your ...

Страница 31: ...placing hands on the upper or lower part of the height adjustable stand or at the bottom of the monitor as ascending or descending monitor might cause personal injuries Keep children out of reach of the monitor while performing this operation If the monitor has been rotated to portrait mode and height adjustment is desired you should be noted that the wide screen will keep the monitor from being l...

Страница 32: ...eration system for details 2 Fully extend the monitor and tilt it Gently lift the display up and extend it to the maximum extended position Then tilt the monitor The monitor should be vertically extended to allow to rotate from landscape to portrait mode 3 Rotate the monitor 90 degrees clockwise as illustrated To avoid the edge of the LCD display hitting the monitor base surface while it is being ...

Страница 33: ...djustment stand Viewing angle adjustment You may position the screen to the desired angle with monitor tilt swivel and height adjustment functions Refer to the product specifications for details 4 Adjust the monitor to the desired viewing angle ...

Страница 34: ...e cables from the LCD monitor 1 Remove the monitor stand Lay the screen face down on a clean and well padded surface Use a a cross pointed screwdriver to release the screws that fixing the monitor stand to the monitor The use of a magnetic head screwdriver is recommended to avoid of losing the screws Then pull the monitor stand backward away from the monitor In case you intend to use your monitor ...

Страница 35: ...ing the monitor to your computer Windows will automatically recognize the new or different hardware and will launch its Found New Hardware wizard Follow the wizard instructions until it asks you to select a monitor model At that point click the Have Disk button insert the BenQ LCD Monitor CD ROM and select the appropriate monitor model Further details and step by step instructions for either an au...

Страница 36: ...it displays the option to Install Hardware Device Drivers 2 Insert the BenQ LCD Monitor CD ROM into a CD drive on the computer 3 Check Search for a suitable driver for my device option and click Next 4 Check the option for CD ROM drives uncheck all others and click Next 5 Look to confirm that the wizard has selected the correct name of your monitor and click Next 6 Click Finish 7 Restart the compu...

Страница 37: ...nitor you have connected and letting Windows install the corresponding driver files from the CD You need only steer it in the right direction Windows has an Upgrade Device Driver Wizard to automate the task and guide you through the file selection and installation process See How to install on Windows 10 system on page 38 How to install on Windows 8 8 1 system on page 39 How to install on Windows ...

Страница 38: ... on the computer 7 In the Update Driver Software window select the option Browse my computer for driver software 8 Click Browse and navigate to the following directory d BenQ_LCD Driver where d is the drive letter designator for the CD ROM drive 9 Select the correct folder name of your monitor from provided driver list and click Next This will copy and install the appropriate monitor driver files ...

Страница 39: ...and then the Properties button 5 Click the Driver tab and the Update Driver button 6 Insert the BenQ LCD Monitor CD ROM into a CD drive on the computer 7 In the Update Driver Software window select the option Browse my computer for driver software 8 Click Browse and navigate to the following directory d BenQ_LCD Driver where d is the drive letter designator for the CD ROM drive 9 Select the correc...

Страница 40: ...nd the Update Driver button 6 Insert the BenQ LCD Monitor CD ROM into a CD drive on the computer 7 In the Update Driver Software window select the option Browse my computer for driver software 8 Click Browse and navigate to the following directory d BenQ_LCD Driver where d is the drive letter designator for the CD ROM drive 9 Select the correct folder name of your monitor from provided driver list...

Страница 41: ...your monitor How to adjust your monitor The control panel No Name Description 1 Control keys Accesses the functions or menu items displayed on the screen right next to each key 2 Power key Turns the power on or off 1 2 ...

Страница 42: ...stom keys and are designated for particular functions 3 Select Menu to access the main menu 4 In the main menu follow the icons next to the control keys to make adjustments or selection See Navigating the main menu on page 46 for details on the menu options No OSD in hot key menu OSD icon in main menu Function Custom Key 1 By default the key is the hot key for Low Blue Light To change the default ...

Страница 43: ...dels without speakers To change the default settings see Customizing the hot keys on page 44 Enters sub menus Selects menu items Menu or Activates the main menu Returns to the previous menu Exit Exits OSD menu No OSD in hot key menu OSD icon in main menu Function OSD On Screen Display The hot keys only operate while the main menu is not currently displaying Hot key displays will disappear after a ...

Страница 44: ...noise disappears Customizing the hot keys The left 3 control keys also called custom keys perform as hot keys to provide direct access to pre defined functions You can change the default setting and designate different functions for these keys 1 Press any of the control keys to bring up the hot key menu and press Menu to access the main menu 2 Go to System 3 Select the custom key you want to chang...

Страница 45: ... It helps keep image details as well as to reduce eye strain To enable this function go to Eye Care Bright Intelligence ON Enabling color vision accessibility Color Weakness Color Weakness is accessibility that helps people with color vision deficiency to distinguish colors You are provided with Red Filter and Green Filter on this monitor Choose one as needed 1 Go to Eye Care Color Weakness 2 Choo...

Страница 46: ... out And keys that are not available will be disabled and the corresponding OSD icons will disappear For models without certain functions their settings and related items will not appear on the menu For more information on each menu please refer to the following pages Eye Care menu selected models only on page 47 Display menu on page 49 Picture menu on page 51 Picture Advanced menu on page 53 Audi...

Страница 47: ...models without certain functions their settings and related items will not appear on the menu 1 Select Menu from the hot key menu 2 Use or to select Eye Care 3 Select or to go to a sub menu and then use or to select a menu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select Eye Care Picture Picture Advanced Display Audi...

Страница 48: ...reases the blue light emitted from the display to reduce the risk of blue light exposure to your eyes The amount of blue light reduced in each low blue light mode varies and has been set particularly for the specified scenario Choose one mode to suit your needs Multimedia For viewing multimedia files Web Surfing For web surfing Office For office works or office environment Reading For reading e bo...

Страница 49: ... will not appear on the menu 1 Select Menu from the hot key menu 2 Use or to select Display 3 Select or to go to a sub menu and then use or to select a menu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select 50 Display Picture Picture Advanced Audio System Mode Standard Auto Adjustment Input H Position V Position Pixel...

Страница 50: ... Position Adjusts the vertical position of the screen image 0 to 100 Pixel Clock Adjusts the pixel clock frequency timing to synchronize with the analog input video signal See also Picture optimization on page 44 Not applicable to a digital input signal 0 to 100 Phase Adjusts the pixel clock phase timing to synchronize with the analog input video signal See also Picture optimization on page 44 Not...

Страница 51: ...t or to go to a sub menu and then use or to select a menu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select 50 100 100 R G B 100 Display Picture Picture Advanced Audio System Mode Standard Normal Bluish Reddish User Define Brightness Contrast Sharpness Gamma Color Temperature Hue Saturation Reset Color Item Function R...

Страница 52: ...nd Blue primary colors can be altered to change the color tint of the image Go to the succeeding R red G green and B blue menus to change the settings Decreasing one or more of the colors will reduce their respective influence on the color tint of the image e g if you reduce the Blue level the image will gradually take on a yellowish tint If you reduce Green the image will become a magenta tint R ...

Страница 53: ...e adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select 50 Display Picture Picture Advanced Audio System Mode Standard Picture Mode Dynamic Contrast Overscan Display Mode Color Format HDMI RGB PC Range Standard Low Blue Light Color Weakness Movie Game Photo sRGB ECO Item Function Range Picture Mode Select a picture mode that best suits the typ...

Страница 54: ...o automatically detect the distribution of an input visual signal and then to create the optimal contrast 0 to 5 Overscan Slightly enlarges the input image Use this feature to hide annoying edge noise if present around your image Available only when the input source is HDMI or D Sub VGA converted from Component ON OFF Display Mode This feature is provided to allow aspect ratios other than 16 9 or ...

Страница 55: ...s HDMI color format is not selectable In other words Color Format is automatically set depending on the input video source RGB For D Sub VGA input source from PC For DVI input source YUV For D Sub Component converted from VGA input source from a video device HDMI RGB PC Range Determines the range of color scales Select an option that matches the RGB range setting on the connected HDMI device Auto ...

Страница 56: ... on the menu 1 Select Menu from the hot key menu 2 Use or to select Audio 3 Select or to go to a sub menu and then use or to select a menu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select Item Function Range Volume Adjusts the audio volume 0 100 Mute Mutes the audio input ON OFF Audio Select Allow users to select the...

Страница 57: ...ated items will not appear on the menu 1 Select Menu from the hot key menu 2 Use or to select System 3 Select or to go to a sub menu and then use or to select a menu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select 50 Display Picture Picture Advanced Audio System Mode Standard Language Display Time OSD Lock 5 Sec 10 ...

Страница 58: ...Time Adjusts the display time of the OSD menu 5 Sec 10 Sec 15 Sec 20 Sec 25 Sec 30 Sec OSD Lock Prevents all the monitor settings from being accidentally changed When this function is activated the OSD controls and hotkey operations will be disabled To unlock the OSD controls press and hold any key for 10 seconds USB Awake selected models only By default this function is disabled and the USB ports...

Страница 59: ... to be sent via the software for remote diagnostics ON OFF Input Auto Switch Sets to automatically detect the available input source ON OFF Auto Power Off Sets the time to power off the monitor automatically in power saving mode OFF 10min 20min 30min Resolution Notice Sets whether to display the resolution notice of the recommended resolution when a new input source is detected by the monitor ON O...

Страница 60: ...60 Navigating the main menu Reset All Resets all mode color and geometry settings to the factory default values YES NO Item Function Range ...

Страница 61: ...enu item 4 Use or to make adjustments or use or to make selection 5 To return to the previous menu select or 6 To exit the menu select Display Picture Picture Advanced Audio System Eco Mode Standard ECO Sensor ECO Sensor Meter Sensor Range ON OFF Item Function Range ECO Sensor Your monitor comes with a proximity sensor called ECO sensor which detects your presence in front of the monitor within th...

Страница 62: ...62 Navigating the main menu ECO Sensor Meter Sets to display the countdown to turn off the monitor ON OFF Sensor Range Decides how far the sensor can detect Near Middle Far Item Function Range ...

Страница 63: ...tly red green blue or another color Clean the LCD screen Cycle power on off These are pixels that are permanently on or off and is a natural defect that occurs in LCD technology The image has a faulty coloration It has a yellow blue or pink appearance Go to Picture and Reset Color and then choose YES to reset the color settings to the factory defaults If the image is still not correct and the OSD ...

Страница 64: ... orange the power management mode is active Press any button on the computer keyboard or move the mouse If that does not help check the signal cable connectors If any pin is bent or broken off please contact your dealer to get necessary support If the LED is off check the power supply mains socket the external power supply and the mains switch The OSD controls are inaccessible To unlock the OSD co...

Страница 65: ...ny obstacles in front of the sensor that keep the sensor from detecting the light properly If there are any objects or clothing in bright colors in front of the sensor Bright colors especially white and fluorescent colors reflect light and the sensor cannot detect the main light sources The ECO sensor of the monitor does not work well The ECO sensor is located at the front bottom of the monitor Ch...

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