Question about Intel Motherboard

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Computer mother board

The led mother board of my system keeps blinking any time i put on the system.

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  • Dave May 11, 2010

    Post the make/model of the MoBo for specific advice

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  • Expert
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Please check power supply (smps)

Posted on Jul 17, 2008

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My lenovo z570 won't start even LED light also not blink


If LED does not blinks, the problem can be of its hard disc too, other than mother board. http://electronicshelponline.blogspot.com/

Aug 01, 2014 | Lenovo IdeaPad Z570 Notebook

1 Answer

On My Dv5-1125nr both the caps lock and num lock keeps blinking when i turn it on. It's wont boot at all. What kind of hardware problem is this?


First remove the battery and power cord for about a minute. Then plug back in and see if that helps. Otherwise please read the following:

LEDs near Caps Lock and Number Lock keys blink when starting notebook The LED lights near the Caps Lock and Num Lock keys will blink if an error is detected during the start up process. The LEDs will blink a number of times in a sequence and then stop. The number of blinks in the sequence indicates what component caused an error when it was being tested during start up. If the LEDs stop blinking and the computer does not start, you can press the power button again to repeat the tests. Count the number of blinks, and use the chart to identify the error condition. Knowing the number of blinks is helpful when you contact an HP support agent for technical help. Caps Lock/Num Lock LED Component Tested Error Condition LEDs blink 1 time CPU CPU not functional LEDs blink 2 times BIOS BIOS corruption failure LEDs blink 3 times Memory Module error not functional LEDs blink 4 times Graphics Graphics controller not functional LEDs blink 5 times System board General system board failure LEDs blink 6 times BIOS BIOS authentication failure

Aug 03, 2011 | HP Pavilion dv5-1125nr Notebook

1 Answer

I have a HP Pavilion tx 2000 tablet pc. When i turn it on the power button it shows that its on. The hard drive light does not flash and the caps lock and the number lock button keeps on blinking. My...


Hi

Boss you need to mention here in what sequence do the lights blink.

Anyways you can take help from this

Caps Lock/Num Lock LED Component Tested Error Condition LEDs blink 1 time CPU CPU not functional LEDs blink 2 times BIOS BIOS corruption failure LEDs blink 3 times Memory Module error not functional LEDs blink 4 times Graphics Graphics controller not functional LEDs blink 5 times System board General system board failure LEDs blink 6 times BIOS BIOS authentication failure
DO RATE MY SOLUTION

Jul 04, 2011 | Compaq Presario Notebook

1 Answer

The computer has on occasion crashed for no apprent reason. I had the power supply out and it has normal light indications until it i plugged into the mother board. I have had itwork normally, for a...


Bad Power Supply. Weak voltage power rail.

Bestec is a low quality power supply. Used to save the computer manufacturer money.

Also, a Power Supply with a weak voltage power rail will put out enough power to light LED lights, and perhaps spin fans, but not enough power to turn the Processor on, and/or keep it on.

A) ALL the LED lights use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts

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

Replace the Power Supply. Clean the inside of the computer out, with a can of compressed air for computers before installing.

What is the computer manufacturer name, and Model Number. The Model Number is on the back of a desktop computer tower next to the Windows product key, or up on the side of the computer tower.
Post back in a Comment.

Regards,
joecoolvette

Dec 04, 2010 | Bestec ATX-1956F (ATX1956F) 200-Watt Power...

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...

2 Answers

Led with number 9 displayed is flashing


LED 9 flashing can mean many things. Here is the list of "flashing codes" for the vostro 1510.

Keep in mind a flashing led is going to blink 3 times. for example,

number one would look like this:

On (solid lit). Blink, blink,blink (paused off) blink, blink, blink... (paused off), (then repeat)


1. ON-FLASH-FLASH = No Ram or ram not seen
2. ON-FLASH-ON = Ram has a problem
3. FLASH-FLASH-FLASH = Motherboard failure (replace board)
4. FLASH-ON-ON = CPU Fault/failure
5. FLASH-ON-FLASH = LCD detect failure/fault
6. ON-ON-FLASH = MINI pci card (controller) failure/fault
7. FLASH-FLASH-OFF = Keyboard fault/failure
8. FLASH-OFF-FLASH = USB FAILURE
9. FLASH-FLASH-ON = Video BIOS or BIOS issue
10. ON-FLASH-FLASH = Modem issue

Depending on the blinking code, you might just need to re-seat or replace your RAM or your CPU. But then again, you could have a more severe motherboard issue.

Nov 01, 2009 | Dell Vostro 1510 Motherboard System Board...

2 Answers

Need front panel pin connection for HD led ,power led and switches for AMD Duron mother board


Hello there
here is a pdf downloadable flile that will help you.
best regards michael

  1. [PDF] A7V133-VM 3051k - Adobe PDF - View as html Supports Socket A-based AMD. Athlon™/Duron™ processors. North Bridge ... p.37 System Power LED Lead (3 pin) 22) RESET (PANEL) p.37 Reset Switch Lead (2 pin) ...dlsvr03.asus.com/pub/ASUS/mb/socka/km133a/a7v133-vm/e698_A7V133-VM.pdf

Sep 13, 2009 | AMD DURON,1.2GHZ,1200MHZ, FSB200Mhz ( OEM...

2 Answers

Hp Pavillion Tx1320us..wont boot up


You're probably one of thousands of victims of defective nvidia chipsets in these systems. Call HP and complain.

Jun 08, 2009 | HP Pavilion TX1320US Tablet PC

1 Answer

TV cant be switch on, RED LED diagnostic Blinks .. 3 times... then 4 times. Please advise probable cause and send sTV hcematic diagram.


Hi, this is main board failure and you will need to replace this vital board. you power board is fine but, it is unable to send a proper current through the main mother board due to the damage at hand.

May 21, 2009 | Sony KV-29FX30 29" TV

2 Answers

New installation of mother board


Hi check the cables from the case to the mother board. They should be marked and the book that came with the board will tell you where to connect them. The std markings are HDD [red led] PWR S [powerswitch] RSW [reset switch] PWR LED [case power light] To test if there is no fault in the board or power pack. first visualy check the board to see if you have a red led light on when the power is turned on, if not the problem is in the power pack or the wall outlet. second if the light is on, the bridge the pins marked pwr switch on the board with a screw driver and this should start the computer, if not you have a faulty board. Regards mistyman

Oct 05, 2007 | Select Brands System on board CPU / VIDEO/...

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