Question about ASUS P5LD2 Motherboard

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Power supply Someone switched the toggle on the back of the power supply from 115 watts to 230 watts, I was told the pc had no power so I started trouble shooting. I seen the toggle switch on 230 so I put it on 115. Allthis was done while I was unplugged from my power source. I turned on,,or rather tried to. No power. I removed power supply and was ready to go buy a new one when I was told to move the switch to and from 115 -230 a couple times before I put it back in.I did. It powered up but no monitor. CDROM works,CDRW,FLOPPY,,all have power but monitor is BLACK. Whats wrong. Is the MB fried.

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Usually this will damage the power supply only. To make sure your that your motherboard is working, try to find a working power supply unit and connect it. If it does not work your motherboard may be get damaged. Also check for warranty. If your system contains a graphics card, check that too, it may also get damaged with voltage variations.

Posted on Oct 03, 2007


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Posted on Jan 02, 2017


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1 Answer

Computer keeps overheating

Your power supply has a theoretical Maximum output of 700 watts, but the problem is that the hotter it gets the lower that number becomes... It's obvious your power supply can't handle the power draw or the heat from the Graphics card when taxing it by playing games... Two things you should do:

1. Make sure you have more than just your power supply venting hot air out of your case... Adding a fan or 2 will help take some of the cooling stress off the power supply.

2. Buy a better power supply... is a place I get most of my PSU's. Read their ratings and compare specs. You will notice on that site that your particular model is not rated very high.

May 10, 2012 | Computers & Internet

1 Answer

I have bought aircooler with 115 watt and 230 V to my home. I am residing in a flat system in Delhi. The question is whenever the power line goes off, our home is provided electricity supply with power...

As long as the power supply delivers 230 V and AC- alternating current, which I guess the cooler runs with, there should be no problem using the cooler. You might need to check how much power(= amount of watts) the power system delivers. 115 w is not extremely high power consuption. It is 10 times less than a hair dryer, tostaer or similar.
Power backup systems often have less power and often are aimed to just supply enough power to keep the most important equipment running. An overloaded power supply will deliver lower voltage. Too low voltage might in many cases harm electical equipment, especially if used over longer times.
If the backup system is only battery based it may be good to use less energy consuming equipment to extend the backup time. Most likely is the backup system based on diesel engines in larger building complexes. They are normally dimensioned to supply regular consumtione used in the building.
Check how much power (=watt) you can use from the power supply, or is allowed to use from the landlord/service technician.

Check that 230 voltage and AC is delivered. Then you can use the cooler.

Keep cool

May 13, 2011 | Kitchen Ranges

1 Answer

On the back of this power supply, Theres a red switch with the numbers, 115 and 230. depending on which way it was switched on. Can someone please explain to me what this is?

Hi inforis,
That is a setting that will change the voltages, and you do not want to flip that switch. If you do there is a chance you will fry your computer. Different countries use different voltages. It's cheaper to make a switch & some circuits inside the PSU than make a whole new one. List of countries with frequency & voltage (
Hope that answers you question well enough.

Dec 29, 2010 | HP ATX-300-12Z (ATX30012ZBD) 300-Watt...

1 Answer

Dell Desktop brought from Switzerland to USA.

Generally you just need to have a US plug instead of a Swiss plug on hand. Most PC power supplies have a red switch on the back that allows you to use 115 or 230 volt power. If there is one, switch it from 230 to 115 and plug in your computer.

Hope it helps!

Jul 13, 2010 | Dell Computers & Internet

1 Answer

My astec atx202-3515 power supply blew up. I accidently changed the watt to 115. It was 230 watts before. Will the power supply still work oe will I need to purchase a new one?

just flip it back to 115v hook it up and see if it works. if itdoesnt work replace it . I did that once it was fine the comp didnt turn on til i turned it back 115v

Mar 09, 2010 | Astec (ATX202-3555) (ATX2023555) 200-Watt...

2 Answers

Ok i neeed help!!!!!!!! on my power supply there is a switch which you can move to 115 volts to 230 volts. everytime i switch it to 230 volts the computer wont turn on? why is this happening? when i put it...

This is the power supply for your PC, depend on your local country power supply, some country like North US may use 110 V in their daily use electrical stuff and some country like Euro, UK use 240 V.

Your PC power supply is design to suit this 2 type of power input so can be sold everywhere. What u need to do is to make sure your local country power supply voltage and then just switch the input correctly, i think u have done it.

YBC (/\)

Oct 20, 2009 | Computers & Internet

3 Answers


Unless your household electrical service is running at 230 volts, there's absolutely no reason to set your supply for 230. When you choose the 230v setting the supply REQUIRES 230 volts to become operational...Which is not going to happen on a 115 volt service.

Oct 20, 2009 | Compaq Computers & Internet

2 Answers

It will not turn on, there is a green flashing light at the back

on the back theres usually a switch that moves that says 115 or 230? i think but if its on 230 or some thing else then switch it to 115

Sep 23, 2009 | Sony VAIO VGC-RB42G PC Desktop

1 Answer

What does the red switch on the back of my dell dimendion e510 do

Don't! That's for foreign voltages. It should say 115 and 230. The 115 is for 120V systems while the 230 is for 240V systems. The actual voltage you get is usually a little less than ideal, so they design power supplies to accept a lower voltage.

Jul 25, 2009 | Dell Dimension E510 Dual Core 2.8 Ghz...

3 Answers

Power supply

Try this, (with the slider in the right position)remove the power cord from the P.S. and push the power button for 5-10 seconds. This will usually dissipate built up charge on the system board and P.S.. Then plug it together and try it with the slider in the right position. Also, try unplugging everything except the MLB, to see if it will beep (post). If so, power down and plug things back in one at a time...

Oct 02, 2007 | Gateway Essential 500 PC Desktop

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