Question about Hannspree HANNS-G 19" Widescreen Monitor

4 Answers

My Hanns-g HC194D doesn't display anything - just clicks when power on. Using VGA (blue) connection to KVM.

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  • Lou Ebert May 11, 2010

    scannon6, Tell us more! How old is monitor? Do you have warranty to use? How many total hours of "ON" time has unit seen? Did it have a PERFECT displayed image on it before you experienced this "BLACK" screen DEAD unit condition? Have you been to YOUTUBE to view any video clips of lcd monitor disassembly just to see what is inside a typical lcd monitor? The only thing I can tell you from your stated SYMPTOM is that it could have a problem with it's internal power supply detecting a fault of some kind with itself or another circuit and then going into what is known as "SHUTDOWN IMMEDIATE" mode to try and save the system from incurring a catastrophic failure and or fire!

    You and you alone will determine what steps to take in effecting a repair to your monitor. Get back to me on fixya or at lmistyrel@aol.com I'm louie12fix Bye for now.

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I had the same problem, no power light just a noise from the speakers. I removed the back and found the 6 470uf capacitors on the power supply board "blown". I popped to Maplins and spent 2.10 on 6 new capacitors and 20 mins. later the monitor was working fine again and the little green sparklers I have had for the past year had also gone.

Posted on Jul 31, 2013

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Hello everyone,

The problem with these units is a failure on the power supply board. If you can solder then you should be able to do the repairs yourself. We have an article posted on our site at: http://www.ccl-la.com/blog/index.php/repairing-a-hanns-g-hc194d-with-flashing-power-light/ That explains what has failed and what need to be replaced to do the repair. It should take about 20 minutes to do once you have the parts. If you don't want to do the repair yourself we do offer a repair service, that information can be found here: http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Posted on May 01, 2010

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I have a similar problem with my HC194D. To be specific, this is what my monitor does. There's nothing wrong with it when it's running. But when it's switched off or put in sleep mode for say 30 minutes, it will not start again (no screen, only constant clicking sound from speakers.It will start again if it is still "hot") But I can start it again by openning the back and blow hot air (hair dryer) at the circuit board with the VGA & DVI connectors. I've been doing this for a week now and I assume it is this board that's faulty. Hanns G wants $52.50 for the board. As I live in Canada, by the time it gets into my hand, it might cost me over $70, not a viable solution. What I want to do is to trouble shoot at the component level if it is possible as some components were machine installed and are too small to handle by hand. Also I don't have a schematic circuit diagram. Anyone out there can help? bchai1247@hotmail.com

Posted on Apr 30, 2010

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This monitor is 2 1/2 weeks off warranty. With nothing to lose, I called Hanns-G and they provided a courtesy extension of my warranty. As you suggested, they believe it is probably either a circuit or the power supply. I pay shipping to them, they repair and ship back. Only thing not covered would be LCD screen (1 yr warranty anyway so not expected). I am very pleased with their responsiveness - only need to supply proof of purchase (which I scanned onto system when I bought).

Thanks to louie12fix for an very helpful reply.

Posted on Oct 02, 2009

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Posted on Jan 02, 2017

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1 Answer

What is the best way to connect 2 computers to this monitor


If you have two separate computers for different purposes, such as personal and work use, you may find it convenient and necessary to connect both to a single monitor. Many monitors have dual inputs, making such a connection simple. However, you might need a keyboard, video and monitor switch to accomplish this task if the monitor lacks a second input. Dual Inputs
Step 1 Examine the back of your monitor for the presence of dual video inputs, such as a single VGA and DVI or HDMI output.
Step 2 Connect the VGA cable to one computer. Plug the other end of the cable to the matching input on the monitor. Rotate the retaining screws until tight at both ends of the cable.
Step 3 Plug the DVI or HDMI cable into the back of the second computer. Insert the other end into the monitor's digital video input. Screw down the retaining screws if you're using DVI.
Using a KVM Switch
Step 1 Ensure both computers are turned off. Place the KVM switch on your desk where it is within convenient reach.
Step 2 Locate the video output port on the back of the KVM switch. Plug a VGA cable into this port. Plug the other end of the VGA cable into the monitor.
Step 3 Plug the VGA monitor outputs from each computer into the inputs on the back of the KVM switch. Tighten the retaining screws down for each connected VGA cable on the computers and the KVM switch.
Step 4 Plug the keyboard and mouse cables into their respective outputs on the KVM switch. Plug each set of keyboard and mouse cables from their ports on each computer into the matching inputs on the KVM switch. Plug each cable in sequentially to avoid mixing them up between machines.
Step 5 Double-check that the mouse, keyboard and monitor cables leading from each computer all correspond to the right machine. Plug the KVM switch's power cord into a nearby AC outlet or power strip.
Step 6 Turn the computers and monitor on to verify the connections are correct.

Required Items

  • VGA cable
  • DVI or HDMI cable
  • KVM switch
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Your VGA connector has a broken solder joint on the video board or the mother board. This isn't an easy fix.

Suggest you look for a VGA to USB dongle or adapter instead. Install the driver, and you should be good to go. You'll just have to take your dongle along whenever you need a VGA connection.

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If you have this KVM device hooked up to a master surge or surge protector:

  • Power it down
  • Unplug the all kvm cables
  • Unplug power cable
  • Check the DIP switches and make sure they are all set to OFF position
  • Re-connect the power cable only
  • Press and hold the + and - buttons together for 30 seconds
The Bank Display should read, "15".
If it does not, then check to see if you are using converters or adapters on the KVM and/or Server End.
If you are, you'll need to remove them.

Next
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You should now check and see the OSD coming up on the screen.
To get into the On-Screen Display (OSD) menu, press SCROLL LOCK, SCROLL LOCK,
SPACEBAR on your keyboard.

You should be able to see your master or server computer on the list.

Well the adapters are the main cause, its not that they do not work, but most of the times it causes the KVM to malfunction, hence not recommended. Apart from that if the KVM is connected to a surge master it causes the error.
But not to worry, now that we have reset the KVM it should not be a problem.
The + and - buttons actually releases the static current from the KVM.

Have a great day!

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Maybe the switch doesn't support the type of monitor that you are trying to use. Have you tried switching back to the old monitor to see if that one still works?

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1 Answer

Hanns-G HC194 monitor, no screen, led is flashing in green


hello,

The green flashing power led is a standard symptom of a failure in the power supply board. We have an article about how to repair this unit posted on our web site at: http://www.ccl-la.com/blog/index.php/repairing-a-hanns-g-hc194d-with-flashing-power-light/ If you can solder then you should be able to do the repair yourself, if you don't want to do the repair we do offer a repair service, that information can be found here: http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this helps you out, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

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1 Answer

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In order to fully answer your question, a number of needful things must be inspected, reinstalled, confirmed, & tested:
  1. Reset. Try the reset button. You could use a paper clip to reach the reset button through the pin hole in the lower front left of the Zonet KVM unit.
  2. Inspect connectors. Each data/input/power connector/port requires all of its pins to be present & straight for full functionality.
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    2. Seat each connector in the appropriate port of a computer that will be accessed via the KVM unit.
  3. Electricity. Inspect all affected devices & confirm that each has sufficient, uninterrupted electricity.
    1. It is possible for a Zonet KVM unit to display channel lights without direct power to the unit, but you should confirm that the unit is getting sufficient, uninterrupted electricity-directly through its own power cord. Unplug the KVM power cord & every connector & reseat each one (this performs a power reset on the KVM unit)-making sure that each connector is in the correct location (not just where it originally was). Thus, make sure that the keyboard, video display (monitor), & mouse are on the output side.
    2. Press the power button on your monitor. If it does not turn off the monitor's power status light (Off/On/Standby), then remove the power cord from the monitor & reseat it-to reset the monitor's hardware. If it does not turn on the monitor's power status light, then the monitor is either not getting enough electricity or it has a malfunction which requires troubleshooting & fixing (possibly through a fixya.com thread for that monitor model).
    3. Unlike USB devices, PS/2 devices usually require device connection prior to turning on that device. With that said, connect the keyboard & mouse KVM channel cable connectors to the computers & then turn on those computers that you intend to display through the KVM-connected monitor & then turn on these computers.
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    5. Sometimes a keyboard/mouse interface issue can be resolved by replacing that interface device.
  4. The KVM Unit. When all else properly connects & performs, what does not properly connect & perform has the issue &, hopefully, that can be repaired without having to replace it.

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