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Posted on Apr 05, 2010
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Got an HP vs17 monitor. It doesn't power on at all - no blue light when the power button is pushed. I opened it up and don't see any obviously bad caps on the power supply. What next? Fuses?

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Bud Martin

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  • Master 11,361 Answers
  • Posted on Apr 20, 2010
Bud Martin
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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

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  • Master 666 Answers
  • Posted on Apr 05, 2010
Anonymous
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Trace voltage in power supply area. it must have output if none, replace voltage regulator and locate diode / resistor change value.

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Related Questions:

2helpful
1answer

When I turn on my pc and press the power button on the mon. The monitor power light just flashes. It is a hp vs17. I am running windows xp . I have no picture at all on the monitor the light just...

If you are going to DIY and already try the monitor with another PC, 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 (they should be replaced in a set), 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 HP monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

0helpful
2answers

My mother has an HP vs 17x flat screen monitor and has been using it for about 2-3 years now. It was working fine yesterday, but when she tried to go on it this morning the power button on the right side...

The blinking signals that the power source of the monitor is in protected mode because another board has failed in a big way and now it's effectively shorted - this is a hardware failure, not software, so no reset, of any kind , will help.
The only way to fix this monitor is to open it, test the components, locate the failed board and replace it. For that you need at least a basic experience in repairing electronics. If you don't have it you will have to call someone who has it and that will be very expensive - in the end it will be cheaper just to buy a new monitor.
0helpful
1answer

Why does my HP vs17 monitor screen keep going to blank black screen like it turned off but did'nt.....blue power button light is still on? Everything is running but no picture.....keeps happening everytime...

this old monitor has 2 issues.
1: it has CCFL tubes that love to burn out (backlamps)
most this old are long go, yell,dim.,blinking or DEAD.
2: push the menu button on front of mon. turn off power saver.

3: if the PC goes to sleep, or hibernete mode (parked)
then that is 100% normal
if you dont like feature then go to windows control panel
click power, ICON and turn off all monitor sleep /hibernate modes.

that assumes windows, no OS stated.


if the lamps are dead,
use flash light pointed to sceen, see data. ? bingo for bad CCFT tubes.
as seen here

http://www.pcdied.com/monitors.html#flashlighttest
0helpful
1answer

I have a HP vs17 LCD monitor 17" I relaced the screen and don't remember how the wires go to the back lights. They are the pink and blue wires on the side of the power board. Can you help?

Pink and Blue wires should be for the lamp assemblies, you should have four connectors for the lamps, each pair will be plug into the socket top set and bottom set.
See example here:
http://s807.photobucket.com/albums/yy352/budm/HP%20L1740/?action=view&current=DSCF1597.jpg

Post pictures if you are not sure.
Mar 23, 2011 • HP vs17
0helpful
1answer

HP vs17 monitor will go off while in use and the power button flashes blue.

Does it do the same when attached to another PC? Video cable is good?
If it is monitor problem, you will have to open it up, but please read below first.
If you are going to DIY and already try the monitor with another PC, 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 (they should be replaced in a set), 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 HP monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

0helpful
2answers

If i turn my computer off for whatever reason, when i try to turn it back on, the monitor remains black, the blue power light flashes and the monitor emits this horrible hissing sound. I can eventually get...

Try this, no guarantees but it may need to be reset. Make sure PC is turned off. Disconnect the monitor from the PC and unplug it from the wall. Hold in the Power button for at least sixty seconds, then replug it in PC and wall. If it is reset it should start normally. If not it needs further diagnosis.
0helpful
1answer

Monitor does not turn on

Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 HP monitors to get some ideas what goes wrong: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague
1helpful
1answer

Vs19d monitor has power but screen is not coming on

You will need to open it and inspect the capacitors in the power supply first, hopefully it does not have bad lamps assembly like the one in my pictures here: http://s807.photobucket.com/albums/yy352/budm/HP%20VS19D/
Post back what you see inside so we can guide you further.
1helpful
1answer

Monitor flashes blue light and takes a long time to come on

Disconnect monitor cable from back of the computer and see if u have a error msg on the screen > if u find a error msg like " NO VIDEO SIGNAL"> then ur monitor is fine or else ur monitor is BAD
0helpful
2answers

HP vs17 monitor power button flashes blue but screen stays black.

Try put off Monitor uplug power cord and the VGA cord for 1min and reinsert and restart your PC.
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