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I have a Dell Inspiron 5150 that the DC adapter jack has come loose and cracked the motherboard in the process. Is there any way to repair motherboard instead of replacing?

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Of course there is; but if the crack is not just local to the DC adapter, it gets complex pretty quickly! Which is it? If it's localized, just mend the connections with workaround wiring...and mayhaps change that DC adapter to a sort of outboard connection using nice round LEMO connectors so your soldering work isn't upset again.
There's some silver-infused stuff that heals shorts while not shorting everything to everything, too...you might look that up.

Posted on Aug 04, 2008

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Dell inspiron one 2305 power supply short


This is due to a bad cable and/or LCD Inverter board. I would replace both. Had this problem before and it's definitely the pointing at the LCD Inverter and it's connectivity to the motherboard. Dont just by the board, get both board and cable, US$35 on Ebay.

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My computer does not start up looks like in satnd by mode


Most All-in-One Personal Computers (PCs) are based on internal laptop/notebook component technology.

The first item to test is the Alternating Current (AC)/ Direct Current (DC) Power Adapter to see if there is:

damage or a fault in the cabling;

damage or a fault in the transformer box;

a fault, damage or a loose connection in the AC/DC Adapter Jack point via which the AC/DC Adapter plugs into the PC.

If no AC/DC Adapter-related fault is evident or any such fault is definitively resolved (such as by testing a definitively functional replacement AC/DC Adapter), then his sounds like either a Loose AC/DC Power Jack detached from or short-circuiting its Motherboard Solder Points, a Power Management problem on the Power Management Tracks, Electrolytic Capacitors or Power Management Contoller Integrated Circuit (IC)/Chip on the Motherboard or a Graphics Chip or Graphics Card damaged surface or Motherboard Solder Point Contact fault.

Any of the 3 internal faults described above would require specialist internal diagnostics, repair and testing by a technician with specialist laptop repair experience and specialist Infra Red Workstation, BGA Reballing StationMicro-Soldering, Oscilloscope, and Multi-Metering equipment.

DC Jack repairs are likely to be moderately expensive. Power Management or Graphics repairs are likely to be more expensive still, but if conducted by a professional, all three repairs should resolve the problem. A competent repair technician should be able to repair these faults and offer a minimum 3 month warranty on a reoccurrence of the same fault.

So, on the symptoms described in the question, yes. Unless it is just an AC/DC Adapter fault, this will probably prove to be a serious, non-DIY repair problem, I'm afraid.

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1 Answer

Laptop wont come on


1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. Make sure the DC jack is not loose or broken. A loose DC jack will need to be re-soldered. A broken one will need to be replaced.
4. If you have another processor which is compatible with your laptop's model, try swapping processors & test to see if the laptop will work.
5. The power button could be bad.
6. The motherboard could be defective & needs to be replaced

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1 Answer

Dell Dimension 5150 will not start!


This is related to Hardware.

There might be a lose Ram of data cable connection on Motherboard.

This type of issue is also seen when the there is dust accumulation on Process Fan and CPU fan resulting in over heating.

This might also be due to malfunction of a motherboard.

The third reason could be that SMPS his not working.

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1 Answer

Can i up grade my processer on my dell dimension 5150 desktop computer and if so how big of a processer can i upgrade and is it easy to install.


Good morning! Yes, you can upgrade the processor of your computer but it will depend on the compatibility & support criteria of your computer motherboard, I suggest to check/review the product/operations manual of your computer motherboard which will inform us the details of specification requirements of processor that your computer motherboard will support & compatible with. Installation of processor is easy but with caution just follow the steps procedures written on its enclosed product manual, then make sure to install it with a good CPU FAN that will control its heat temperature. best regards.

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9 Answers

Dead Toshiba A100 laptop computer


In order to replace the power jack in your laptop you’ll have to remove the jack from the motherboard as I explained in the previous post: Replacing DC power jack.
While removing the jack you can accidentally pull out the internal copper coating (I’ll call it a sleeve) from the inside of the “+” terminal as it shown on the picture below.
9807c6d.jpg
The internal copper sleeve has been removed and cannot be installed back. If you solder the power jack back on the motherboard without this sleeve it might work but the connection between the “+” lead and motherboard will not be reliable.
In the following guide I explain how to fortify a damaged power jack connection. You can use this repair technique in some laptops with similar power jacks.
Laptop is dead. How to troubleshoot the problem.In this post I’ll explain how to troubleshoot a dead laptop and find the problem. The following troubleshooting tips are not model and brand specific, they should work for most laptops.
Let’s take a look at two different scenarios.
Example 1. The laptop is absolutely dead. 
When you plug in the power adapter and press on the power button, there is no signs of life at all. The laptop will not make usual noises, LEDs will not light up, the fan will not spin, the screen is blank and black, etc… In short, the laptop is dead.
What you can do in this case?
1. Make sure the wall outlet is working and the laptop DC adapter is getting power from the outlet. Try another wall outlet.
2. Test the laptop DC power adapter, make sure the voltage output is correct. You can test the DC power adapter with a voltmeter.
3. Let’s say the DC adapter is fine and the adapter outputs correct voltage. In this case unplug the power adapter from the laptop, remove the battery, wait for 1-2 minutes, plug in the adapter and try turning on the laptop again.
OK, you tested the adapter and it’s bad. If you decide to replace the original DC adapter with a generic one, you’ll have to follow this rule:
The voltage output on your new adapter has to be exactly the same as on the original adapter. The amperage on the new adapter could be the same or higher.
If nothing helps and the laptop is still dead, apparently the motherboard is fried or there is a problem with the DC power jack. It’s possible the DC power jack is broken and the motherboard is not getting any power from the adapter. In this case you’ll have to disassemble the laptop and replace the power jack. Check out thisguide for fixing laptop power jack.

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1 Answer

Hp pavilion dv6000 not charging when pluged in


Hi,

Common causes of similar problems are a loose connection or a cold solder on the DC jack at the end of the laptop. In some instances, it could be the actual charger/AC adapter that may be at fault. This however could be verified with the use of a voltmeter measuring the DC voltage at the output plug. As to the DC jack, it would be more of a concern opening the laptop and exposing the underneath of the motherboard (where the solder are) rather than the actual repair which is soldering. Incidentally, there are cases where the terminals/pins of the DC jack might have been cut off hence a replacement may be required. Perhaps your best bet would be to seek the services of a qualified professional.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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1 Answer

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Without looking at your laptop, it is hard to tell.It could be a bad solder joint or loose part inside.
Here is the manual for your 5150:
http://support.dell.com/support/edocs/systems/ins5100/en/sm/index.htm
You can look at the place where you apply pressure, and should be able to tell what the problem is.

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