Question about HP Pavilion Computers & Internet
HP f2105 monitor goes black after working well for a while. Am able to discharge (shut down, unplug and hold PC tower button for 60seconds) and restart and it's okay for another while until it goes to black again. Solutions?
I would suspect the monitors internal power supply has issues. If you are capable of soldering and know some electronics replacing bad capacitors is doable at home. Try joining badcaps.net and posting your monitor problems there as that is how I found the info I needed to repair my HP W2207 monitor.
Posted on Jul 19, 2013
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Posted on Jan 02, 2017
It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and -connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $45 plus shipping. If your problem is not the capacitors then it would be the backlights and that is much more difficult to replace.
I hope this helps, if so please rate my solution.
Over 21 years of computer and printer support/repair
Posted on Jul 08, 2009
SOURCE: HP Monitor w1907 problem
First place to check will be the power supply section, look for bad caps with bulging top or bottom seal, post back what you see so we can guide you further, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Posted on Jan 27, 2010
Does it do the same when you use this monitor with other PC, new VGA cable, just need to narrow down the problem first before start taking the monitor apart.
See pictures of what usually goes bad (mostly failed capacitors) with monitors:
Post back what you find so we can guide you further
Posted on Apr 04, 2010
Unplugging the power cord repeatedly is not a good idea! I hope this helps: 1- After you get a picture, go to "Device manager" (Click on Start-Programs-settings-device manager) and make sure that there is not question or an exclamation mark next to Monitors. If that is the case you might need to reinstall the driver! 2- Make sure that your video card is not faulty by hooking up a different monitor and see if it is working ok. If you still have the same problem, then you need to replace the video card. 3- Check all cables and power cords and make sure that there's good connectivity on all ends (before powering up the machine) and that there are no nicks or cuts. If possible try replacing the monitor's data cable as well. Good luck
Posted on Apr 24, 2010
SOURCE: monitor going to sleep problem
Posted on May 30, 2010
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