Question about AOpen MX46-533V (91.89U10.061) Motherboard

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Cannot boot the red power light is on, but the processor fan and the power supply fan aren't spinning the power supply was tested on a different board and it worked, but not on this board.

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There must be a short between the board & case. All motherboard mounting screws should have red fiber washers. The bottom of the board should not be touching the case. The board should be mounted on stand-offs. These brass looking stand-offs screw into the back plate of the case & the board is screwed into these. If you feel the board is still touching the case. Cut a piece of paper and place it between the board & case. Memory not seated correctly or defective memory can also resulte in such problems. The red light on most Pc's is a hard drive light. If your PC have two dimms remove 1. Other cards not needed for this testing should be removed even sound cards. Connect only mouse & keyboard & monitor. It's all worth it if the pc works.

Posted on Jan 18, 2008

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1 Answer

Can't get my system to boot up


The power mapping grid on the motherboard may be defective

Sep 15, 2012 | ASUS P8Z77 WS Z77 LGA 1155 ATX Intel...

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I am not sure if this is a problem with power supply. Yesterday suddenly my machine stopped working. I wasnt using it. It just shut off. Now when I started the cpu, I see one green LED on the mother...


the problem is in your motherboard..this most cause unregulated flow of power from the source electric..but if the green led is off so its the processor.try to test it with a motherboard tester..or get another board that same spec with the you have,and transfer the processsor if it is working

Feb 10, 2011 | Cooler Master RS-400-PSAR-J3 400W ATX12V...

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Have an Abit IC7 motherboard in a system given to me by a friend. I have two problems in getting the board to boot. 1) One of the brackets that the spring mount uses on the Northbridge chipset fell off...


1) The bracket is a simple push fit one - it just pops in and locks in there when pushed.
2) Simple test (assuming that the processor , video card and the memory have been tested in another motherboard and are good): remove all the disks and try to start it up into the BIOS - if you can't then the problem is in the motherboard. As a last hope reset the BIOS and remove the battery for one hour. If it doesn't starts even after that then the board is dead.
The DVD burner will power up and seek even if it's not connected to anything else - all that it says is that the unit is working normally.

Dec 16, 2010 | Abit IC7 Motherboard

1 Answer

Hello I have a problem, my motherboard g31-m7 no video, i picked up the battery, but the problem still there, how to solve this problem?


I don't know who recommended a CMOS battery to fix your graphics, but this = no.

1) You have checked the monitor cable, correct? If the monitor cable is removable, replace it with a known to be good one, for a test.
If the monitor cable is not removable, use a known to be good monitor, and cable for a test.

2) If you are using the Integrated Graphics of the motherboard, (OnBoard graphics), then the next test is to install a graphics card. If you have graphics now, your OnBoard (Integrated) graphics chipset is bad.

3) I find most of the time, (Like around 80% or more) that the Power Supply is bad.
Enough power to light LED lights, spin fans, (Or spin a few times, and stop), but NOT enough power to turn the Processor on.

A bad Power Supply is one of the leading causes of computer failure, right next to computer is dirty inside.

A) ALL of the LED lights being on at once, will use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use 51 to 125 Watts of power. Depends on what Processor it is.

Here you can see a CPU Support list for the Biostar G31-M7-TE motherboard, and the wattage of the different CPU's,

http://www.biostar.com.tw/app/en/mb/cpu_support.php?S_ID=363

Again, you may have a bad Power Supply.
Enough power to light LED lights, and spin fans, but not enough power to turn the Processor on.

No Processor operating, No computer.
No computer operating, No video signal.
(No Signal)

Do you have a KNOWN to be good, compatible power supply to use for a test unit?
Post back in a Comment.

Nov 06, 2010 | Biostar G31-M7 TE Motherboard

1 Answer

My computer went blank when turning it on


1) Computer isn't working, due to the Processor isn't working, due to a bad Power Supply.
Weak voltage power rail.

Enough power perhaps to light LED lights, and maybe spin fans, but not enough power to turn the Processor on.

Computer Power Supply's are rated in Wattage.
Volts times Amperes = Watts.
(Average computer power supply in a fairly new computer, is rated at around 300 Watts)

A) ALL of the LED lights combined, use less than 1 Watt of power.
B) EACH fan uses 2 to 3 Watts.
C) A typical Processor may use 51 to 125 Watts.
Depends on what Processor it is.

Power Supply with a weak voltage power rail, can have enough power to light LED lights, spin fans, but not enough to turn the Processor on.

Solution?
Test the voltages of the Power Supply,

Or, use a KNOWN to be good Power Supply, that has the correct amount of power cables, the right kind of power cables, the correct size, and shape of the case, and enough Wattage, for a test unit..

A bad Power Supply is one of the leading causes of computer failure.

Sep 19, 2010 | Computers & Internet

2 Answers

I have a gateway model # gm5088. I power on the computer and work fine, but the blue light doesnt work and the pc doesn't want to boot. What seems to be the problem?


sorry i could not understand u said it work fine but the pc doesnt want to boot. if its only the light issue then the connection of that light to the motherboard must be lossed or the bulb must have been fused

and if ur pc not booting then it ur power supply on *********** board problem

good day

May 29, 2010 | Gateway GM5088 PC Desktop

1 Answer

My d530 minitower powers off unexpectedly and red lights starts to blink on System's LED//


Hi Kindly let me know how many times the red light blinks
Condition Code Service Actions Processor thermal protection activated. Power LED blinks red twice, once a second, followed by a two second pause.
  1. Make sure the computer air vents are not blocked and that the cooling fan is running.
  2. Open the hood, press the power button, and see if the processor fan spins. If the fan is not spinning, make sure the fan cable is plugged into the cable header on the system board, and that the fan is properly installed and seated.
  3. If the fan is plugged in and seated properly, but is still not spinning, replace the processor fan.
  4. Reseat the processor heatsink and make sure the fan assembly is attached to the heatsink properly.
Processor is not installed. Power LED blinks red three times, once a second, followed by a two second pause.
NOTE: This condition indicates a missing or improperly installed processor, not a defective one.

Make sure there is a processor in the system. Reseat the processor and verify that it is installed properly. Power failure (power supply is overloaded) Power LED blinks red four times, once a second, followed by a two second pause.
  1. Check the voltage selector, located on the rear of the power supply, is set to the correct voltage (the correct setting depends on the region).
  2. Open the hood and make sure the 4-wire power supply cable is fully connected to the power connector on the system board.
  3. Check if a device is causing the problem by removing all attached devices (such as disk drives and expansion cards), then power on the system. If the system enters POST, power off and replace one device at a time, repeating the procedure until the system power failure reoccurs. Replace the device that caused the failure, then replace each of the other devices and confirm that they are functioning properly.
  4. If you cannot isolate the failure to a specific device in the previous step, replace the power supply. **
  5. Replace the system board.*
Pre-video memory error. Power LED blinks red five times, once a second, followed by a two second pause, and five simultaneous beeps are sounded
  1. Reseat the DIMMs in the memory slots on the system board, then power on the system.
  2. Replace the DIMMs one at a time to isolate the faulty module.
  3. Replace 3rd-party memory with HP memory.
  4. Replace the system board.*
Pre-video graphics error. Power LED blinks red six times, once every second, followed by a two second pause, and six simultaneous beeps are sounded. For systems with a graphic card:

  1. Reseat the graphics card and then power on the system.
  2. Replace the graphics card.
  3. Replace the system board.*


For systems with integrated (on-board) graphics, replace the system board. PCA (system board) failure. ROM detected failure prior to video. Power LED blinks red seven times, once a second, followed by a two second pause, and seven simultaneous beeps are sounded. Replace the system board. Invalid ROM based on bad checksum Power LED blinks red eight times, once a second, followed by a two second pause, and eight simultaneous beeps are sounded.
  1. Reflash the ROM using a ROMPaq diskette.
  2. Replace the system board.*
System does not power on. No beeps or blinks since the system is not functioning. Press and hold the power button for less than four seconds. Perform the following steps depending on whether the hard drive LED turns green.

If the hard drive LED turns green, then:

  1. Make sure the voltage selector (which is located on the back of the power supply) is set to the correct voltage for your region.
  2. Remove the expansion cards one at a time until the 3.3V auxiliary light on the system board turns on. If removing a card turns the light on, replace the card and then see if the system works.
  3. Replace the system board.*


If the hard drive LED does not turn green, then:

  1. Make sure the computer is plugged into a functioning AC power outlet.
  2. Open the hood and make sure the power button is securely fastened in the power harness and that the harness is connected properly to the power connector on the system board. In other words, make sure that the power button is making contact with the power circuit.
  3. Make sure the power supply cables are connected properly to the power connectors on the system board.
  4. Check to see if the 3.3V auxiliary light on the system board is not turned on, replace the power supply. **
  5. Replace the system board.*

Dec 29, 2009 | HP Compaq d530 Convertible Minitower PC...

1 Answer

Screen does not turn on but green light is on.


Green light indicates the monitor is getting power. Nothing coming up on the screen indicates, No Signal.

No signal from the computer. This means the computer itself isn't working.

A bad power supply in the computer can cause this. A bad power supply is the leading cause of desktop computer failure. It is replaceable, and can be done by the owner relatively easy.

You may have a computer tower that the Power light comes on, you hear fan/s spinning, (Including the Power Supply fan), and it sounds like the harddrive is running.

ALL the lights in your computer use less than 1 Watt.
EACH fan uses 2 to 3 Watts.
A harddrive sitting there spinning in an endless loop, consumes about 2 to 3 Watts.

A Processor uses 51 to 125 Watts. Depends on what Processor it is.

A weak Power Supply will have enough power for lights, fans, and that harddrive sitting there spinning.
It won't have enough power to turn on the Processor.

[No processor operating, then the harddrive sits there spinning in an endless loop, because there is no processor to find the boot sector]

For a test, connect your monitor to a know good computer. See if it works.
Now connect that other monitor to your computer.

Sep 05, 2009 | Sampo P7011M (Silver) 17 in. Flat Panel...

1 Answer

Intel Desktop Board D945GNTLKR did not boot


Try choosing the 'Exit Without Saving' option in the BIOS menu. If this kicks you to the boot media search, then 99.99% the BIOS is corupt. If not, try to replace the CPU cooler (don't forget to apply the thermal grease).

Mar 15, 2009 | Intel Computers & Internet

1 Answer

One long beep.


  1. Leave the memory slot closest to the processor empty and try booting again. Award bios 1 long beep is memory error as the first 64K of the ram stick closest to th processor is accessed first. since you have tried different ram in different locations, let's rule out the board.
  2. If that doesn't solve anything try a different power supply. Sometimes (Phoenix) gives a long beep when system board or power supply are bad.
  3. Now if nothing else has worked it is probably tour mother board.

May 16, 2008 | Abit KN8 Ultra Motherboard

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