Question about Compaq HP DC7100 Usdt P985H System Board 361681-001

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There is no beep or display on p985h

The system had no beep and no display but when i disconnect the processor from the board its start the four time beeb

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Have you checked if the processor is getting heated or not?
Check the voltage at ram 3rd pin. It should have about 2 volts.
Check it proessor and without processor

Posted on Nov 27, 2014

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When i turn on dell inspiron m5030 it beep 3 times then go off???


Looks like the motherboard died.

Beep codes from m5030 manual found here: http://support.dell.com/support/edocs/systems/insM5030/en/index.htm


Beep Code Possible Problem:


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Board runs shows to be on runs but no beep and no display. No beep even when processor or memory removed.


The problem is in the processor or in the board to check first change the processor sutable for the socket and switchon the computer still the computer doesnt work check the secondery power supply thats four pin from the smps to the motherboard check all the FET and the capacitor in the powersupply also the 32khz crystel and the 14.182khz crystel and the clock ic

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Only the lamp is on and noting is display on the digital board


There may be possible damage of processor or mother board.First of all check is there warranty period exists? If so! Consult with theauthorized dealer to rectify/replace the thing what ever may be. AND if not warranty whatsoever, let we checkthe system step by step at our own. Unplug your system. Open the casing ofsystem. Disconnect each and every thing within the system. Pull out RAM, PROCESSOR,any mounted cards. Use compressed air to make your system dust free. Now placethe processor and RAM in their places. Only keep only connected motherboard.Start computer by plugging it on. Note! If you have more than one RAM CHIPcheck one by one and also one at each available at memory bank (slot). Checkall the fans first working properly. There may be at least two fans one in thePower supply and other one on the processor. Check out any beep sound if any. Youshould also try to also check with an other Power supply. This is the processfor locating problem. When display appeared reconnect all card one by one andcheck. At the end NOW connect Hard disk and boot your computer. You will bedone INSHALLAH. Forget me not. AMSHAD

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I have a compaq r4000 cto. I just replaced the system board with a used board. When I first started it up I got a black screen and three beeps which after a few tries became a black screen and four...


It's unlikely that you have 2 or more defective memory modules. Remove all cards such as video, modem, etc. Also disconnect all drives (hard drive, CD, DVD). Try booting with one memory module at a time. If still a no go then I would suspect the motherboard.

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My board does not turn on and its beeping. Ive counted 7 beeps. i tried replacing the memory with known good ones but still the beeping persist.


MSI states that 7 beeps means "Virtual mode exception error "


Explanation: Virtual mode is one of the different modes that the processor can run in. The system is reporting an error when testing this mode.
Diagnosis: There is a problem related to the processor or motherboard. Note that this doesn't mean that the processor is necessarily dead, since the system won't boot at all with a dead processor.


Not knowing the price of either your processor or the board it is hard to say what to do for the best

Good luck
AMI Beep Code Deep Code Description 1 short DRAMS refresh failure 2 short Parity circuit failure 3 short Base 64k RAM failure 4 short System timer failure 5 short Process failure 6 short Keyboard controller Gate A20 error 7 short Virtual mode exception error 8 short Display memory Read/Write test failure 9 short ROM BIOS checksum failure 10 short CMOS shutdown Read/Write error 11 short Cache Memory error 1 long, 3 short Conventional/Extended memory failure 1 long, 8 short Display/Retrace test failed AWARD Beep Code Deep Code Description 1 Long, 2 Short A video error has occurred and the BIOS cannot intialize the video screen to display any additional information

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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.*

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1 Answer

At start up, before windows loads, a consistent series of annoying beeping occurs....


If they're occurring right as you turn the computer on, it's your Power On Self Test (aka POST) letting you know. Since I can't be more specific, here's a synopsis of POST beeps:

One single beep followed by three, four, or five beeps -- System-board problems, possibly with DMA, CMOS setup chip, timer, or system bus. The computer usually won't boot when this is the problem.

Two beeps -- The POST numeric code is displayed on the monitor, usually nothing to be concerned about, but you might google the code on another computer and see what you get.

Two beeps followed be three, four, or five beeps -- First 64K of RAM has errors. Solution is to replace RAM.

Three beeps followed by three, four, or five beeps -- Keyboard controller failed or video controller failed. Either you won't be able to see or type with this error.

Four beeps followed by three, four, or five beeps -- Problem with serial or parallel ports, system timer, or time of day. Check your BIOS settings (usually F2 at start up) to make sure everything is correct.

Continuous beeps - problem with power supply. Probably won't do much with this error. At the very best, your computer will boot and run very, very slowly.

Hope that helped.

Sep 01, 2009 | Compaq Computers & Internet

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