Question about HP Computers & Internet
Monitor displays screen 1-2 seconds, then blacks out.
Posted by Anonymous on
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Posted on Jan 02, 2017
Blinking on and off is not always a capacitor issue, it is usually caused by faulty transistors at the high output transformers that light the backlights. Crappy board design ! But fixable in most cases.
Posted on Aug 10, 2008
This seems to be a common problem with these monitors. Have a look very closely and see if you can still see something there. From there, either send it to get repaired, or, if you are handy with a soldering iron, open it up and replace the 4 main capacitors (at least one of them will be "popped", but it is handy to replace them all.
In order to open the monitor, you will need to remove the stand, and make sure you get all of the screws out before attacking it with a screwdriver.
I have 5 IBM monitors at work with the same problem, and opening them up has shown the popped capacitors.
Again, only recommended if you know what you are doing. Screwing it up will leave you with nothing.
Posted on Feb 03, 2009
Yes, The inverter is the problem on your monitor. We have a step by step guide to dis-assemble and repair your monitor posted on our web site at:
www.ccl-la.com/monitor_repair.htm Your model is the same as the westinghouse L1875NW. We have a parts kit for $12.00 if you need it, it can be purchased on the guide page. If you don't want to do the repair yourself we can do it for $35 + shipping. This is a common problem with that series of monitors but the repair will get you back going.
I hope this helps, if so please rate our solution.
Posted on Jul 30, 2009
it sounds as if you may have a backlight problem..i have two of them that the wire going to the backlight had burnt off at the bulb..I had to take the lcd screen apart to solder the wire back on the blub.. be carefull the lcd screen and bulb are frigile... ther is 4 lights two on the top and two on the bottom..good luck
Posted on Jan 13, 2010
You need to check out caps in the power supply section first, then check the backlight inverter circuits for bad fuse, transistors. It can also be bad lamps. See example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Posted on Mar 05, 2010
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