Question about Biostar IDEQ 300G MCE-I (IDEQ300GMCEI) Barebone

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Re-installation trouble :(

I had a 300g case the motherboard had a few blown capacitors. i purchased another case, transferred the components from old to new case tried turning the power and no visual from the computer. what could be wrong?

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Your power supply might be dead.

Posted on Feb 04, 2010

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The problem wasnt with the case,rather with the motherboard.common cause is power leakage in the Earthing Point of the power source.get the board checked.also make sure all the components like memory graphics etc r seated properly.

did u make sure the new case has the same power rating on the power supply?

Posted on Feb 04, 2010


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Mobo boots up when powering PSU without pressing power button on case.

What do you mean apparently?
"Apparently, no swollen or leaking caps."

Helping someone remotely?

The top round flat seal on the Radial Aluminum Electrolytic Capacitor is called the Vent Cover.

The bottom round flat synthetic rubber seal is called the Bung.
Sometimes just one edge of the Bung pushes down, and out of the capacitor's case; and this allows Electrolytic Paste to be pushed out.

The capacitor may only be on a slight lean, and a lot of capacitors wind up being that way when installed.

You/they need to L@@K CLOSE.

This really means motherboard in hand.
Not peering at it installed in a computer case, with hardware components, or cables in the way.

The capacitor case could just be slightly swelled up.
Hard to discern sometimes. I use a bright light, and have been known to use a magnifying glass, lol!

I realize it is just an assumption on your part, and now mine; as to if there are bad 'caps'.
But I do go along with your hypothesis.

Obviously (IMHO) the motherboard is at fault.

To post back post in a Comment.


Feb 04, 2013 | Intel D865GVHZ Motherboard


Blue Screen of Death (BSOD) and Computer Restarting Constantly

A very common issue, especially with old computers, is that of crashing and frequent restarting of the machine.
A common accompniment to this issue is the dreaded Blue Screen of Death (BSOD).

The BSOD will tend to occur randomly and will not even let you reinstall the Operating System on the computer.

There are a few things suggertions I would like to share to help overcome this issue.

I suggest that you keep the machine shut down for some time (30 min) and allow it to cool.

Also, open the case and use a Vaccuum Cleaner to blow off the dust on the Motherboard, Power Supply, CPU Fan and other internal components of the CPU.

Try to keep the machine is an Airconditioned Room with the temp set to a relatively cool temperature.

In case airconditioning is not available, you might want to use a table-fan for blowing air into the unit.

These issues are mostly due to blown capacitors on the Motherboard.
The steps mentioned above will allow you to restore your operating system on the machine.
The BSOD and rebooting indicates a hardware error i.e faulty capacitors or perhaps issue with the RAM.

The permanent solution, however, is to replace the faulty capacitors with new ones.

I suggest that you visually inspect the Capacitors on the motherboard.
The blown ones will have a curved, arched top and perhaps a black, powdery, burnt look.

If that is the case, get the capacitors replaced first.512c17f.jpg

on Oct 09, 2010 | Computers & Internet

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Failed at checkpoint [PnP1]/ dell optiplex GX270 series

PCI Slot 1 problem it appears. This means opening the case and reseating all the above-board cards such as video, audio, ethernet, etc.

Shut down the computer and unplug it. Press and hold the power button for a slow count of at least 10. Then you may open the case. How your case opens depends on the model. If this computer is what I think it is and you're unfamiliar with going inside the case I would suggest taking it to a repair shop. The Optiplex computers I've been inside of of are awkward to work with.

Feb 25, 2011 | Dell Optiplex GX270

1 Answer

Motherboard problem Acer 5641-U5520A

There should be some more numbers on the board.

Probably between the expansion slots or near the edges.

If you notice a "FEW" capacitors blown then there may be a more serious issue with the board or in rare cases the power supply itself.

A replacement board would in this case be a lot cheaper than the cost involved with a repair.

Luckily quite a few boards would fit in that case.

From a persona point of view and the fact that do do seem to have some damage it is reasonable to expect more damage to possibly the CPU itself or the RAM and maybe even other components.

To reduce the costs and provided you have both the time and some experience you may want to look at building a new machine

Cases are quite cheap and offer more expansion facilities than the acer one.
A new motherboard with CPU can also be had quite cheaply

Or you could even consider what is knows as a bare bones system.|c:333|&Sort=4

Using that type of approach you could build the system and try the ram from your old one and if that is fine use it. Same with other internal devices.

As for the operating system if you have a proper copy of the operating system you could use it to install on a newer computer using the COA (Certificate of Authenticity) from the old one.

If you only have restore Cd's then it would be problematic (but not impossible)

I have found staples to be a little expensive for repairs so may tend to look at some of the smaller more reputable tech shops in your area.

Without more numbers etc from the boara it will be difficult to make an exact specification or suggest the nearest board.

A check on ebay may give you a few sources

Mar 17, 2010 | Acer Aspire AM5641-U5520A PC Desktop

1 Answer

Emachine t3524 keep restarting

Suspect bad Electrolytic Capacitors, in the motherboard Voltage Regulator circuit, of the motherboard.

eMachines motherboards are known for having bad 'Caps'. Low quality, due to poor quality of components used in the capacitor.

To diagnose if this is the problem, will require unplugging all cables to the computer tower, as well as unplugging power.
May also require a flashlight, and could include the use of a magnifying glass.

After the computer case is opened, to access visual inspection of the motherboards capacitors, the First thing you want to do is to Touch the metal frame of the computer case.

This action will relieve your body of the Static electricity you are carrying.
(Note* If you get up and walk away while working on your computer, it is imperative that you touch the metal frame again, upon your return)

This link will guide you, in a visual inspection of bad capacitors,

This link gives you more perspective of what I am referring to, (From Xeoncross)

Electrolytic Capacitors fail.
For simplification of an Electrolytic Capacitor's construction, let it suffice to state that they are small aluminum 'Cans', and have Electrolytic paste inside.

(Should you like a more detailed explanation of their construction, I would be happy to oblige)

When a capacitor fails, the paste inside develops a gas.
(Electrolytic Capacitor will be shortened to capacitor from here on in. There are other forms of capacitors. I will be referring to Electrolytic Capacitors, only),

The gas expands, and pushes the paste out of the capacitor.
So much paste loss, and the capacitor operates at a weakened state. (Less Capacitance)

Too much paste loss, and the capacitor fails.

The motherboard Voltage Regulator circuit takes care of many hardware components on a motherboard.

One of the main hardware components it takes care of, is the Processor.
A Processor must have a 'Clean', steady, supply of voltage.
A Processor has a very tight tolerance range in respect to this.

Processor turns on, runs for a few seconds, then turns off.
Computer starts, quits, then restarts.
Bad motherboard Voltage Regulator circuit.

If this turns out to be the cause, the easy solution would be to replace the motherboard.
A more extensive solution would be to replace the bad capacitors.

Mar 07, 2010 | E-Machines eMachines Desktop PC

3 Answers

My VinoTemp stopped working. When I opened the back cover there is a red and green LED light blinking really fast. What does that mean?

This problem is typically found in the control board circuit. Probably the 1000MFD 16V Capacitor on the DC side of the PCB may be at fault. The Fix is to replace the capacitor which can be purchased at any Radio Shack for about $2.00. Procedure is to de-solder the the bad component and solder the replacement. This is a polarized component so pay attention the polarity when installing. Test the fix; Properly reinstall the PCB wiring, and Enjoy your Chilled Wine. Recardo.

Aug 16, 2009 | VinoTemp (VT60GNV) Wine Cooler

1 Answer


Bulged capacitors are blown, that is the reason why the motherboard do not start.

Sometimes replacing capacitor may fix the problem, but due to the inexpensiveness of motheboard, and to the chance that more component may had been damaged by the fault, when this happen you usually replace the motherboard, rather then repairing at component level.

Aug 09, 2009 | EliteGroup PM800M2 Motherboard

2 Answers

Hi when i press the power button on the acer power FH with intel celeron nothing happens no fans no lights i have checked the bower button is connected i also tried my old pcs psu which is about the same...

You may have a failed motherboard then. Failure of motherboards is usually due to breaking capacitors. A few years ago a capacitor company stole the "recipe" for making capacitors from another company and tried to make their own, unfortunately they did not get the ingredients right and the capacitors started breaking after 2-3 years of use. They sold these capacitors at very cheap prices and a lot of computer companies and power supply makers bought them. This is easy to diagnose. Look for capacitors (caps) (they look like little tiny soda cans) on your motherboard (mobo). They should be perfectly flat on top and not bulged or swelling or leaking anything. The dead giveaway is the fact that you are not getting anything after you changed the PSU. There are a few companies that will repair broken capacitor issues. Also if you add a bunch of extra components without upgrading the power supply you can suffer underpowered situations and that can cause internal parts to fail.
To eliminate some other stuff you could remove the memory and disconnect all the power plugs from the drives and then try to start it up. If it does not change the behavior at all (no beeps, no change in flashing lights) then you probably have motherboard issues. Make sure when disconnecting the memory chips (sticks) that you touch the metal on the inside of the case first to discharge static electricity. If it does change the behavior add 1 component or item back at a time to see what you can find out. Post back with what you find and please rate the solution.

Mar 30, 2009 | Racer AcerPower FH PC Desktop

1 Answer

Lightning Damage

Hi, if this is lightning damage then unfortunately you are up for a new router and pray that your mother board has survived.
To check motherboard, open case use a torch and study the capacitors in side. these are round objects that stand out from the board in rows of up to 6. if any of them show signs of bulging out the top or bottom then your mother board is also most certainly damaged and will need replacing.
Regards mistyman

Dec 19, 2007 | Systemax Dual-Core AMD Athlon 64 X2 4400+...

1 Answer

Moniter problems

Hi, have you used the same motherboard in the two towers? sounds to me like you may have a couple of faulty capacitors on the board. Open the case and study the capacitors closely [with a magnifying glass if need be] capacitors fail very often when heated. they are the round components that sit in sets of 5, 6, or more in a row on the board. if any are bulging from the top or bottom, then its time for a new board. Regards mistyman

Sep 01, 2007 | OWC Mercury (OWCME4121330L2S) PowerPC G4,...

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