Question about HP f2105 21" LCD Monitor

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My Hp F2105 monitor turns off as soon *** i turn it on .

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  • 11,361 Answers

Bad power suuply caps, inverter circuits, lamps, fuses.
http://s807.photobucket.com/albums/yy352/budm/HP%20F2105/

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 (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 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Oct 10, 2010

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Posted on Jan 02, 2017

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respect137
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SOURCE: I have a HP monitor model f2105, screen is black

Have you recently installed a new video card? If not then you need to because the one you have is broke. If you can plug in another screen to see if that works and if it does then you should re-install the software (if any) that came with the new screen. If you need anything else please let me know.

Posted on Apr 08, 2009

  • 1684 Answers

SOURCE: hp f2105 monitor works for about 1 minute and then

Hello,

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.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair

Posted on Jul 08, 2009

budmrtn
  • 11361 Answers

SOURCE: hp f2105 21 LCD Monitor

Please check the voltages as shown in the pictures:
http://s807.photobucket.com/albums/yy352/budm/HP%20F2105/

Alos look to see if there are any caps with leaking/bulging tops.

http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on Jun 01, 2010

  • 31 Answers

SOURCE: f2105 hp monitor went to sleep and cannot wake.

i cannot help you its either your moniter or the vga port at the back of you tower there the only things i can figue out

Posted on Jun 01, 2010

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1 Answer

I need to plug an HP f2105 monitor into an HP elitebook laptop


Elitebook has a vga port with is 15 pins. If the monitor only has DVI you can get a VGA-to-DVI-A cable. They are cheap and available on monoprice.com Make sure the monitor supports DVI-A

Make sure to check the DVI port on the monitor for the wide horizontal pin with two small pins on top and two underneath. See pic below.

12_3_2012_1_58_51_am.jpg

Dec 03, 2012 | HP f2105 21 inch LCD Monitor

1 Answer

My monitor won't stay on it will go black after a sec. If you turn it off then on the monitor will work for a second the it goes off again. I have unplugged cords and it still does it. I have a hp f2105


It is "normal" for a monitor to "go black" when it is NOT connected to a computer.

Connect it to a different computer, to see if the video-card on your computer has failed, and to see if the LCD monitor works at all.

Dec 15, 2010 | HP f2105 21" LCD Monitor

1 Answer

F2105 hp monitor went to sleep and cannot wake.


i cannot help you its either your moniter or the vga port at the back of you tower there the only things i can figue out

Jun 01, 2010 | HP f2105 21" LCD Monitor

1 Answer

Hp f2105 21 LCD Monitor


Please check the voltages as shown in the pictures:
http://s807.photobucket.com/albums/yy352/budm/HP%20F2105/

Alos look to see if there are any caps with leaking/bulging tops.

http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 01, 2010 | HP f2105 21" LCD Monitor

1 Answer

HP f2105 monitor going into sleep mode on it's own


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:
http://s807.photobucket.com/home/budm/allalbums
Post back what you find so we can guide you further

Apr 03, 2010 | HP f2105 21" LCD Monitor

1 Answer

Vertical lines in my HP screen


Please check if you get those line as soon as you turn it on, If yes, so need to get a replacement for the screen , and if it is no, try updating video driver of your system from the manufacturer website.

Hope this work
Cheers!!!!

May 25, 2009 | HP f2105 Monitor

1 Answer

Hp f2105 only stays of for 2 seconds


Hi there mate i have a hp f2105 with the benq power supply in it which as gone faulty could u look at your power supply and tell me the numbers on the power ic which is ic651 thanks.

Jan 13, 2009 | HP f2105 21" LCD Monitor

2 Answers

My hp w2207h goes to sleep


Turn off the "powersaver" feature on your monitor by pressing <menu> then <management>then <powersaver> select off.

Nov 20, 2008 | HP f2105 21" LCD Monitor

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