Question about Dell Vostro 220 Desktop Computer

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Burnt Power Supply

The burn out is as a result of a higher voltage of 220 than the 115 wwhich the system was on as at the time of connection to the power supply. The user is in a country with the 220v but bought the system from the us with a 115v and did not switch over before connecting it to power supply. There was a pop sound and a burnt smell. User wants to know if the powe supply can be fixed as there are now available replacement parts in the country of use currently.

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  • Master
  • 721 Answers

You can try replacing the fuse in the power supply if it has one. Most have a permanent circuit breaker that once tripped, the power supply is no more. If you can change the fuse, there's a 90% chance it still won't work since there was a burnt oder, which indicates the fuse didn't blow fast enough to prevent more damage, like the motherboard.

Posted on May 15, 2010

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grantg1983
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SOURCE: burnt Power Supply

yes it is possable to repare this but it is fiddle and eats times i would advise the user to perhaps look on ebay for a cheep inport if this is not acceptable to the user then there are guides on google how to .... hope this is of some use

Posted on Mar 18, 2010

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1 Answer

No power supply


The DC voltage may be OK but if the inside gas in the tubes is compromised then it won't make a difference. Trying a higher voltage may do the trick or placing a piece of aluminum foil in back of the segment may also do it, but remember what I said about leaving it on for a prolonged time with the higher voltage.

Mar 23, 2014 | Computers & Internet

Tip

UNINTERRUPTIBLE POWER SUPPLY


UPS – UNINTERRUPTIBLE POWER SUPPLY
Uninterruptible power supplies provide protection against mains power faults to computer equipment.
These faults include voltage spikes/interference, over voltage and under voltage, mains supply interruptions and surge protection etc.
These faults can cause computer and electronic equipment that are connected to an unprotected mains supply to malfunction and/or sometimes fail.
A common problem, when burning Cds, DVDs etc. any slight power interruptions to the burning process will halt the recording process and rendered the disc useless.

There two type of Uninterruptible Power Supplies
The lower powered and cheaper type UPS are switch-over types, when the mains supply fails, the UPS switches over to the batteries and inverter in milli-seconds which then supplies mains power to the computer and peripherals. A faulty inverter circuit and or flat batteries won’t deliver standby power when the mains supply fails.
NOTE : The mains waveform from these UPS is a pseudo sine wave (i.e. not a true sine wave).
The true UPS types are usually the higher KVA units (over 1500 VA) that supply continuous mains power. The mains power is connected to a charger which charges the batteries and then the inverter draws power from these batteries and converts it to true sine wave mains power to the computer equipment, therefore there is no switch over time lag when the mains supply fails.

on Dec 06, 2009 | Computers & Internet

3 Answers

My amp started to smoke, and cut off,had a real loud burning smell,has not worked since.


Sounds like it was playing? If it was your voltage dropped and the mosfet power supply got toasted. These amps are notorius for burning up at low voltage. Kicker did not put a low voltage shut off on it.,

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1 Answer

My computer was knocked forward it went bang and then smelt of burning - I have been told that it might be the internal powe pack can you help?


If your desktop computer went bang from the back of the computer and the burnt smell comes from the fan grill of the power supply then the switch mode power supply definitely failed. The bang and burning smell was probably one or more of the capacitors that has exploded inside the power supply.
You can replace the switch mode power supply, make sure you purchase one that has the same total wattage or higher wattage.
There is a chance that when the power supply failed it may have caused a voltage spike that could have damaged some other components. You won't know until you replace the faulty power supply.

May 19, 2011 | Computers & Internet

1 Answer

I think it blew out ,how can i know for sure and if so how do i fix it


If the power supply has a burnt electrical smell, then it has failed.
I do not recommend you to repair this power supply, mains voltage equipment are dangerous if you do not have the electronic knowledge to repair this type of equipment.
I suggest you purchase a new switch mode power supply, with a capacity of the same wattage as the existing power supply or higher (higher wattage would be better especially if you are operating near the maximum limit of the old power supply).

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1 Answer

Burnt Power Supply


yes it is possable to repare this but it is fiddle and eats times i would advise the user to perhaps look on ebay for a cheep inport if this is not acceptable to the user then there are guides on google how to .... hope this is of some use

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2 Answers

Whilst using my axis 9 it released a burning smell (rubber) and just turned off. Now it won't even turn back on and still has a cd inside.


bad capacitor on the inside of the unit.
usually the 10000uf 16v tall cap blue or black cap.
look for a bulge on the top.
replace it with a higher voltage cap.

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1 Answer

Motherboard,It just went, burnt, for no reason,I sent it


Usually a "fried" motherboard will result from a faulty AC adapter / power supply. If the voltage it provides is too high, kiss the motherboard good bye! Most adapters output voltages around 18-19 volts at around 90 watts. If the adapter malfunctions, the voltages do not have to go much above the range to cause havoc.

If the repair shop did not FIRST check the voltage of the AC adapter before plugging it into a new motherboard, I would seriously consider a new repair shop!

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1 Answer

AMANA dryer model ALE643RBW burnt wire


I would think that:

Low voltage. A lack of proper voltage increases the current flow (amps) and can cause overheating, thus, a burnt wire. Remember, the lower the voltage, the higher the amps.

Bad connection. Poor connections can cause small amounts of arcing, thus burning the connection. This adds resistance to the circuit which causes a possible voltage drop and, again overheating due to higher amps.

Since all that equipment is on the same circuit, I would really think it is a voltage drop situation. With everything calling for power at the same time, the breaker trips. In some cases, it may be just enough for the breaker not to trip but still have a low voltage situation.

There is the possibility of an over current, such as a power spike from the power company but it would have to happen more than just a time or two.
And the outside chance that lighting got into the system when it struck something close to you home but it, in almost every case, would destroy something else, usually electronic. (This has happened to me. Trashed my dryer, dishwasher, and answering machine.)

Good luck and hope this helps. Le me know how you come out.

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2 Answers

Weak power supply


no you cannot install the higher power supply at time the motherboard will burn

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