Question about Hansol H550 15" LCD Monitor

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I have a Hansol LCD H550. When I turn on the computer the monitor will flash and go blank. When I connect the monitor as a second display in dual display mode (Mac OS X 10.5.8), I can change the display preferences and the monitor will flash for about 1/2 second, and display the correct image, then goes black again.

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SOURCE: Hansol 730E CRT monitor


Posted on Oct 23, 2007

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SOURCE: Hansol H950 19" LCD Monitor

Some of those monitors have had a problem where the large HDMI cable attaches to the back of the monitor. Try inserting the HDMI cable then instead of tightening the screw supports power up the monitor and wiggle it slightly if the monitor works then the problem is in the connector and may need to be resolderd on the inside. have you tried using another HDMI cable to rule out that the cable itself isnt defective?

Posted on Apr 07, 2008

  • 1342 Answers

SOURCE: Hansol H950 19" LCD Monitor

Look Here!

Posted on Apr 09, 2008

SOURCE: Hansol H950 19

Most likely the power supply, or the back-plane lamps, or the back-plane supply, or a defect on one of the processor boards is loading the supply too much, or any combinations of these are defective. You will have to have a source to try the boards to fix the monitor. I would suggest to find the authorized service rep for your monitor. They will have to service it for you. If the monitor is out of warranty, the fix will not be cheap!

Jerry G.

Posted on Apr 11, 2008

  • 3 Answers

SOURCE: Hansol H950

The backlight power supply in the H950 series suffers from a manufacturing defect. Hansol might replace the unit even if it's not covered by warranty anymore. Contact them.

Otherwise (and if you have electronics skills), replace the electrolytic caps in the monitor's power supply. Take proper high voltage precautions!

  • Disconnect mains
  • Wait at least one day for caps to discharge a bit
  • Remove monitor stand (four screws)
  • Put the monitor face-down on the table, plugs facing to you
  • Remove back cover (snap-in, difficult to open without minor damage) - be cautious: front buttons are connected using a rather short cable, do NOT try to remove front cover
  • Remove EMV casing screws (four screws) and ground wire
  • Disconnect CCFL tubes (four connectors), noting connector orientation
  • Disconnect front buttons pcb
  • Lift EMV casing side facing to you
  • Disconnect power supply board (left) from signal board
  • Unscrew/remove power supply board - caution: C12 is likely to store mains voltage even after days!
  • Replace caps (C34 and C66 are likely failure candidates for IPHS19-S rev1.2 boards; you might also replace C31, C32, and C35 while you are at it) - higher voltage and temperature rating are okay, capacity has to match
  • Assemble everything again

Posted on Nov 22, 2008

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Yes, you can use the monitor leads from other monitors, just make sure that the pins are the same.

Some monitors have a 9 pin connector, and others have a 15 pin connection.

The jacks will look the same, but the 9 pin version will have the other pin holes filled in.

As a rule though, most modern monitor cables should work for you.

I hope this helps, and good luck.

Mar 14, 2011 | Hansol H550 15" LCD Monitor

1 Answer

Hi, My Hansol H550 used to come on when my PC tower was booting up, but now I have to press the green on/off button. BUt unfortunately, after pressing the on off button the screen only comes on for a split...

Sounds like there is no input to the monitor. Check the video cable(the one with the screws). Even if it looks plugged in, unplug it and replug it at both ends.

Feb 27, 2011 | Hansol H550 15" LCD Monitor

1 Answer


If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Jul 15, 2010 | Hansol H750 17" LCD Monitor

1 Answer

No sound in hansol h550

Hi! Please do try to reinstall the driver. This may resolve the issue. Hope this helps and have a good one!

Jul 01, 2010 | Hansol H550 15" LCD Monitor

1 Answer

I am thinking of buying a used Hansol 550 - three years old. Do they deteriorate with age ? Do all the old models have speakers fitted ?

3 years old will more likely to need new set of caps, not all monitors come with built-in speakers. See failed monitors due to bad caps:
I would not buy a 3 years old 15", save the money for newer and bigger monitor.

Feb 10, 2010 | Hansol H550 15" LCD Monitor

1 Answer

Monitor blinks

  • As soon as you restart your computer keep tap f2 key.
  • You can Bios screen, leave it for half an hour.
  • if you have same problem in the bios screen, its problem with the monitor.
  • if not problem with your operation system.
Thanks, SF

Jan 28, 2010 | Hansol H550 15" LCD Monitor

1 Answer

Hp L1502 LCD blank, LED still flashes

just check ur lcd display cable and try to clean and c it it will cme

May 29, 2009 | Samsung SyncMaster 910T 19" LCD Monitor

1 Answer

No sound from monitor speakers. Worked fine for 5 years. Can hear sounds when using headphones plugged into CPU. Hope you can help even if only to tell me I need a new monitor. Sincerely Dizzyme.

First of all, check if your audio cable are still plugged into the monitor and pc output (light green) audio jack. If not just plugged it back in... Still still got no sound... Then turned off the monitor and pc. Unplugged all the cables from the monitor and pc, wait for 10 second till all the surged built up are cleared out. Then you can plugged all the cables back Monitor should have 3 cables, a audio cable, a VGA or DVI cables, and a power cord... OK! now you got all the cables plugged back in...
Turned on the monitor and PC....and a few should hear window started. Still... had a problems....just get a external speakers. Have nice day!

Oct 08, 2008 | Hansol H550 15" LCD Monitor

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