Question about HP L1520 15" LCD Monitor

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Have an HP LCD Monitor with a broken on/off switch.

HP monitor Model: D5064.

The on/off switch is pushed in and looks like it's broken.
How do I remove the cover to replace it?

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J1hoo2, You will just have to go to YOUTUBE and search for things like::: lcd monitor disassembly or lcd monitor repair, or bad caps in lcd monitors, or repair of monitor SMPS/INVERTER power supplys. Yes!!! I have seen a couple of vids that show how to unsnap the rear plastic cover from the front bezel. That is the hardest part to do after removal of the monitor PEDESTAL. I'm louie12fix on fixya, or lmistyrel@ aol.com
ps I've also heard that really dull table knives may work and also an old credit/swipe-card might work also.. I mean did an elephant step on the monitor on/off button???? Come-on, their not supposed to FAIL !!!

Posted on Apr 24, 2009

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Posted on Jan 02, 2017

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Dec 25, 2015 | HP Computers & Internet

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Screen broken


Yes you can.
Connecting an External Monitor or Data Projector
You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key a few times. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 Dell = Fn + F8

Feb 03, 2013 | Advent Netbook

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When I turn on my HP Pavilion 1x1000 It stays on ,but there is no image on the screen, and stays on please help.


A) Post THE Product Number on the bottom of the laptop. It's in the white Service Tag. P/N = Product Number.

B) On the left/bottom side of the LCD screen frame (Display Bezel), there is a switch. Looks like a small button.

This is the Internal Display Switch. (May not be in this exact position for your model. Look around on the Display Bezel, that surrounds the LCD screen)

When the laptop is closed, the switch turns off the display, (Image on screen), with the computer still on.
Tap it a couple of times lightly, with the eraser on the end of a number 2 pencil.

See if anything happens. That switch may be bad.

C) Laptop off, monitor off, connect a VGA monitor to the VGA port on the laptop.

Example of a VGA cable, and VGA connector, (Port),

http://en.wikipedia.org/wiki/VGA_connector

You can use a CRT monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

C) Turn the monitor on. If a CRT type of monitor allow it to warm up.
Turn the laptop on.

By factory default settings, the display should show on the external VGA monitor.

IF not;
There are at least 3 display options,

1) Internal monitor of laptop ONLY
2) Internal monitor AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key. At the same time tap once on the Display Toggle-Over key.

Don't know what exact HP laptop you have. For most HP's it is the F2 key, or the F4 key, that is the Display Toggle-Over key.
(Key has an empty rectangle on it, with a vertical line on each side)

Still no display on the external VGA monitor?
Hold the Fn key down again. (Bottom left of Keyboard)
Tap once more on the Display Toggle-Over key

NO display on the external VGA monitor, means you have a bad graphics chipset.

(By using an external VGA monitor, you are bypassing the Internal Display Switch, and the Display Assembly. (Internal monitor of laptop)

If you have a display on the external VGA monitor, you have a problem with;

1) Video Cable, (Display Panel Cable for HP)
or
2) Display Assembly

Post back with your results, and if you have a display on the external VGA monitor, we will go on.

If you do not have a display on the external VGA monitor, you are looking at motherboard replacement.

Post back in a Comment.

Regards,
joecoolvette


May 13, 2012 | HP Computers & Internet

1 Answer

My AOpen 19" LCD Flat Screen Monitor (Model F2915) is like new and works perfectly except for one thing. The push button power switch located on the top of the monitor has broken off and fallen insid


Certainly, if you jumper the connections to see which ones turn the monitor on or off, then you can go to an electrical supply place and get a micro switch and wire it in in place of the power button, or perhaps find a type that is flat that the power button can press. What you need to determine is if it is a push-on, push -off type switch, which always stays on or off depending on position or if it is a momentary interrupt switch where the button pressed momentarily turns it on and then releases and a second press connects the circuit to turn it off. You can do this by testing with your jumper wire, attach it and if the monitor stays on when you remove it, then goes off when you attach it again, you need the second type switch, if it goes off when removed, you need the always-on always -off first type switch. .

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1 Answer

My monitor hp compaq mv 7500 17 i am not able to turn it on or off


My guess is that the ON/OFF switch is broken.

It's time to responsibly recycle your old CRT monitor, and buy a new LCD monitor.

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so if you test the monitor on a known good PC it does what?
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all old HP monitors pre 2010 many had a sleep timer
so push the menu key on the monitor
then look for sleep timer and turn it off,
the monitor defaults to that mode, so dont push reset monitor or bam back to sleep mode it goes. so turn it off again.
all this is in the manual, lost yours, wana read it first?

read page 4.7 see that? (osd +advanced +) power saver OFF

https://www.manualslib.com/manual/418165/Hp-W1907-19-Lcd-Monitor.html?page=25#manual

if that fails to fix it (tested on 2 PC ) the PC1 is bad.
that be a whole other WALL OF TEXt, ask.

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1 Answer

How to switch on My HP LCD Monitor is without using switch on button which is not working


Thr power switch is a tactile momnetary contact switch setup, when the button is pushed, the contact is closed and open when released. Are you sure the switch is bad? not the circuits inside?
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: 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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I have the same monitor. I had the same problem you have. I couldn't find the correct replacement part so I improvised. The plastic part you refered to just activates a micro switch on the circuit board. In my case the micro switch worked just fine so I used 5 plastic buttons off of some ball point pens as a replacement. I took the monitor out of its plastic case and drilled holes in the front bezel directly over each of the 5 micro switches. I then put the buttons from the ball point pens in holes. So now the push buttons from the ball point pens act as a substitute for the broken part. I hope this helps.

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