Question about BenQ FP931 19" LCD Monitor

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Hi Dear Would you pls help me providing tips/tech? BenQ 19" monitor, changes it's display mode per 1 or 2 seconds or more. I'd turned off- next morning found- it can not switch on by it's power switch, so no display, I checked all switches-ok, re soldered psu unit and connector bases, now it turned on but same problem( mode:movie; dynamic; photo... etc on it's osd menu >Md. Younus Ali, Dhaka,Bangladesh,Engr- BanglaCAT, +8801713148409

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Posted on Jan 02, 2017

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SOURCE: connected power but hardly see the image all dark

Sorry about your Monitor problems.
I have worked on several of these monitors and yours sounds like the BackLight has gone for a walk. ( NG ).
If you are experienced in the disassembly and the electronic component repair, let me know, and I will walk you thru the repair steps.

The backLight for your unit, can be ordered on EBay or direct from Samsung.


Posted on Jul 08, 2009

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SOURCE: benq q5t4 monitor. power on "BENQ" display is

i want data for benq q5t4 moniter eprom 24c04 ic my moniter is not working properly

Posted on Sep 05, 2011

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hi dear

start your computer on safe mode and go to the display property change to as per mentioned rresolution on your screen.

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How to Troubleshoot CF-19 The Panasonic Toughbook CF-19, commonly known as...


How to Troubleshoot CF-19<br /><span style="font-style: italic;">The Panasonic Toughbook CF-19, commonly known as simply the Toughbook 19, is a laptop computer geared towards people who work on location, such as field workers or military personnel, who require a sturdy and resilient device. Unique features of the model include its screen which can display clearly in bright sunlight, its touchscreen function and its backlit keyboard. If you experience errors or malfunctions with the CF-19, troubleshoot it to diagnose and solve the problem before replacing the device or seeking professional repair.</span><br style="font-style: italic;" /><br /><span>Instructions</span><br /><br /><span>Device Turning On</span><br /> <ol> <li> <span style="font-style: italic;">Check that the AC adapter is connected properly. One end should be plugged into the laptop and the other end should be plugged into a working AC outlet. If the adapter is disconnected at either end, connect it.</span></li> <li style="font-style: italic;"> Disconnect any device connected to the laptop's USB port or ExpressCard slot. A malfunctioning device may cause the laptop to malfunction and not turn on.</li> <li style="font-style: italic;"> Press the "Fn" and "F8" at the same time to turn off "Concealed Mode." This mode disables the power functions of the device.</li></ol><span>"Remove disks or other media. Press any key to restart" Error Message</span><br /> <ol> <li><span style="font-style: italic;"> Remove the floppy disk or CD-ROM from the device and press any key. This message indicates that the disk does not contain system startup information and cannot run on the device.</span></li> <li><span style="font-style: italic;">Disconnect any device connected to the laptop's USB port or ExpressCard slot as problems with these device's may also cause this message to appear.</span></li> <li><span style="font-style: italic;"> Contact Panasonic Technical Support if this problem persists after attempting Steps 1 and 2 as this may be a sign of a problem with the laptop's hard disk and it may need repairing or replacing.</span></li></ol><span> No Display/Screen is Blank</span><br /> <ol> <li style="font-style: italic;"> Press the "Fn" and "F3" keys simultaneously to switch to "Internal Display" mode as the device may have been set on "External Display."</li> <li style="font-style: italic;">Check if the device is in "Power-Saving" or "Sleep" mode by pressing any key on the keyboard. The screen should come on if the device was simply in "Power Saving" or "Sleep" mode.</li> <li><span style="font-style: italic;"> Turn on the display screen or monitor of the connected device if you have the laptop set on "External Display" and want the display to come up on that device.</span><br /></li></ol><span style="font-style: italic;"><span>Hopefully this can help<br /><br />regards<br />multilinkent</span></span><span><span><span style="text-decoration: underline;"><span style="font-style: italic;"><span style="font-weight: bold;"><br /></span></span></span></span></span>

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My 19" monitor has the


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If you are technically able,you can dismantle monitor and check components on the Invertor board which you may find on my other posts.
Please reply if you need more help.Please rate this solution.
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