Question about HP Omni 100-5155 AIO Desktop PC C-Grade

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Cannot complete remove the motherboard,

The motherboard seems to be glue or soldered to the monitor

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See the link
Don't forget, you need to have this all on one line if you cut and paste the link.
If neither works, I just used with the search of
youtube HP Omni 100-5155 disassembly
Good Luck and Make it a great day!

Posted on Dec 03, 2013


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I have a baby monitor model wl2003 that the battery charger connection on the monitor has broken on the inside-looks like the part broke off the circuit board. Is there a way to fix this? Thanks

I had the same thing happen to mine. I had to give up on their tech support after 3 weeks of runaround.

  1. Remove the battery door
  2. Remove the battery
  3. Remove the 2 small silver screws at the bottom back of the unit.
  4. Carefully remove the back plate. There are several plastic clips that hold the front to the back, be gentle and work the back plate side-to-side to get this off without breaking.
  5. Set aside the button pad, this is only set in place and not connected
  6. Carefully lift the main circuit board from the unit and lay it face down. The speaker wires can remain attached to the back plate during this operation.
  7. Grab a soldering iron with a very small point on it. Place the recharging port that fell out back in place. Align the 5 lead wires that protrude from the rear of this port with the 5 pads on the mainboard. There should be enough solder in place already on the board to hold it. Lightly touch the point of your iron to the top of the lead wires and hold the iron there just long enough to melt the solder under it. Do this for all 5 pads. DO NOT cause a solder branch between the leads or you will short this out.
  8. Once the electrical connections are reestablished, do something to reenforce the connection between the port itself and the board. The original design is very weak here. I would recommend a dab of hot glue or super glue on each side of the port.
Test with your charging cord before reversing the disassembly instructions above.

Jul 06, 2012 | Lorex Lw2003 Live Snap Baby Monitor

1 Answer

I have XPS M1530 DELL Laptop. DC JACK(power charging port has broken from mother with a very small piece of mother board)....I had tried to call customer care ..he told you should change the motherboard...

If this motherboard is a multi-layer motherboard then it is impossible to repair.
You can try to repair the motherboard by glueing the broken piece onto the motherboard with epoxy glue. Then identify the broken power circuit tracks between both parts of the circuit board, and then solder wires across these tracks or to the closest solder connections to re-establish the electrical connections on the motherboard.
If this does not fix the problem then most likely it is a multi-layer motherboard and you cannot bridge the internal connection inside the motherboard.

Jun 22, 2011 | Dell XPS M1530 Laptop

1 Answer

Dx-lcd-19- power supply failure....leaking caps off the capacitors....have the spare parts in hand uF..5 capacitors ....Now How hard is it supposed to be to remove a single capacitor from the PSB...

The trick is to try and melt the solder holding both leads at the same time by quickly switching the soldering iron back and forth from one to the other and a bit of wiggling the capacitor from the top.

There is often also some glue holding the top side of the capacitor steady so just peel what you can right off and pull hard enough to break the remaining glue's grip once the solder joint is loose.

Good luck and please post back if this helps at all.

Jan 25, 2011 | LG 50PG20 50 in. Plasma HDTV

2 Answers

On off button is broken on flat screen monitor f2105

Beverly, F2105 unit will need to be disassembled and new momentary tactile switch soldered in. Check out ALL the different styles and sizes to choose from at !!! at least 16 pages of switches to choose from. Then you will need a soldering iron, solder wick, solder, and know how to disassemble unit to replace a $2 to $6 switch. If contracting out the work to competent technician your looking at minimum $45.
Forget fixing the plastic button. Crazy-glue only option there.

Sep 20, 2010 | HP f2105 21" LCD Monitor

2 Answers

My monitor will lose its signal from the computer and won't come back on even after I tighten the cables are replace them with different ones. Sometimes it works, sometimes it doesn't.

the most likely problem here is that the computers video card is failing, if it is a name brand computer like Dell, HP and so on the video card is built into the motherboard which will have to be replaced to correct the probem, the only way to confirm this is to hook up your monitor to antoher computer and see if it wotrks ok, if it does the motherboard is bad.

Jan 06, 2010 | Computers & Internet

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No Display/Beeps - TOSHIBA Satellite M115-S1061

There's nothing much you can do at this stage apart from get another keyboard with a function key and try to switch screens, other than that you could check the inverter board & connections there.

Remove the screen bezel, At the bottom of the screen you will see an elongated piece of circuit board with wires coming from either end covered by frosted plastic.
That is the inverter, check the connections on the inverter (both sides) and power the laptop up to check the display, to remove it gently pull the plugs from each end and remove the screw from the middle and pull the board away.
Look on the back of the inverter itself for a copper coil, if you re-solder the solder points around the coil you may find it works again as components that suffer from extreme heat the solder joints dry causing bad connections, re-floating the solder solves the problem in 90% of cases.

Good luck.

Sep 10, 2009 | Computers & Internet

1 Answer

Cooked motherboard

Personally, I've never seen a monitor damage a motherboard. Since monitors have their own power source, the HP answer of the monitor "drawing too much power" is bogus.

Possible failures could include the following:
  1. Failing Power Supply - if you haven't tried a different power source, then that is the 1st thing I'd look at, expecially if another system will run the monitor.
  2. A peripheral item, (Keyboard, Mouse, Printer, scanner or other USB device is preventing POST completion of boot completion.) try booting system with just video and power, nothing else.
  3. Check the monitor cable for bent/broken pins. I have seen bent pins on a cable connection short out a video card, this could cause a no post if the video is integrated.
  4. I just reviewed the HP site on this system, and it appears to ship with a PCI-E video card. It appears most likely that the Video Card (If one is installed). If you have the PCI-E video card in system, remove it, and connect to the intergrated video connection and see if ystem posts.

Feb 08, 2009 | Envision 19" Widescreen Flat Panel LCD...

1 Answer

Dell monitor not working , green light blinks.

Capacitors look like cylinders mounted vertically on the pcb.

If you look at the printing on the board, there should be a label close to the capacitors such as C201, or XC330.

Usually a C in the label will indicate a capacitor.

They will be wrapped in a plastic jacket. The jacket will have writing on it, and usually a stripe down one side. The stripe indicates the negative lead (each cap will have two leads, negative and positive).
If the cap has a rounded top (domed) instead of a flat top, it is likely bad. You may even see that the component has split at the top, into four pie shaped wedges. This is also an indication of a bad cap. Lastly, the jacket is "heat shrunk" onto the metal cylinder. This usually causes the plastic jacket to overlap the top of the cylinder, which will show up as a donut shaped ring around the top of the cylinder. Some times if the cap is leaking, it will heat up causing the ring to shrink further so that the top of the cap will be completely exposed metal, with no plastic ring framing it. This also indicates a bad cap.

You can get the value from reading the print on the side of the cylinder. The values should be printed down the side of the cap, such as: 1000uF 16V, or 470uF 25V.

This is read as one thousand micro Farads at sixteen Volts, or four hundred seventy micro Farads at twenty five Volts (the u will actually be the Greek letter mu).

You will need a solder ****** to remove the solder from the caps on the solder side of the pcb (under $20), a soldering iron and some solder.

**** the solder after heating it with the iron, use the tip of the iron to carefully unbend the legs of the capacitors if needed.

Install the new caps making sure to observe the polarity. There will either be a mark in the board indicating where the negative lead should go, or a small + showing where the positive lead should go. Solder the leads and cut off the excess.

Make sure you get caps that are not larger physically than the originals or you may not be able to fit them into the same spot. (older capacitors are bigger than the same value newer capacitors).

Hopefully, you will only have three to six caps.

The lucky people will find only one bad cap, unlucky people will find up to ten bad caps, some in the power circuit, some in the inverter circuit, and some on the main board.

Caps on the main board can be very tough to remove. I recommend adding some solder to the legs of the caps you are going to remove, then heat one leg as you push the cap to the side to try and pull that leg out of the solder hole. Then heat the other leg and try to pull the cap completely off the pcb. Once done, you can use the solder ****** to clean the old solder out of the holes. This may be necessary because the main board is multilayer and these layers can act as a heat sink, making the solder harder to melt and harder for your solder ****** to remove. It's slightly easier once the capacitor legs have been removed.

Also note. Some manufacturers will use slightly larger caps, and in order to mount them they will bend the legs and glue the cap to the board on its side.

Mar 27, 2008 | Dell E172FP 17" LCD Flat Panel Monitor

1 Answer

Change Faulty/Cracked touchscreen on P900

The screen consist of two parts: touchscreen(TS) itself and LCD screen. They're attached mechanically, not with glue or solder.
TS glued to metal frame and by mean of this frame(mechanically) attached to LCD(like shoebox cover) - you can see pits on side.
1. With sharp blade of razor or scalpel gently remove this frame with TS glued on top.
2. Then remove TS from the frame (I simply broke it and removed glass pieces from the frame)
3. Clean the frame with alcohol to remove glue and grains of glass.
4. Glue new TS to the frame at ONE SITTING!
5. Wipe out dust from LCD and inner surface of TS and attach the frame.
6. Buy conducting glue and connect 4-contacts of TS cable with LCD cable. Put adhesive tape over them to maintain electric connection.
That's all.

Jan 28, 2008 | Sony Ericsson P900

2 Answers

Repeated power cycles after a couple of hours running.

I have a Dell 15" Flat Panel with the same symptoms. I found that if I tapped on the monitor, it would work for awhile which suggested a loose connection. I dismantled the monitor and removed the main board so that I could see the soldered connections. With the board positioned with the power connection facing away from me, I inspected all solder joints on the main board using a magnifying glass. On the left side, I saw two capacitors and found insufficient solder around the leg of one of the capacitors. I touched a soldering iron with a small dab of solder to the connection. After reassembling, I have experienced no further cycling. Going on two weeks now, it seems to have cured the problem.

Jun 28, 2006 | Dell E173FP 17" LCD Flat Panel Monitor

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