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4 error beeps on a HP DC7600 - Computers & Internet

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This sounds like the ram problem open the pc or mac case make sure you remove power cable from powersuply and once inside look for your ram sticks and have a peice of toilet tisue and some cotton buds to hand carefully remove your ram sticks and place them onto the toilet tissue and one by one you will clean the contacts along the ram stick holding them by the sides using the cotton buds when you have cleaned both sides of them place them back onto the toilet tissue then place one back into the pc or mac motherboard and replace powerlead back into power unit then power up pc or mac then if this gives you beeps place this to one side repeat for all ram sticks to find out if you have any that need replaceing.
and close up case with ram stick that are ok.

Best of luck with this one

Posted on Jul 09, 2008


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Hi, if your hearing a beep when the bios or pc is booting, there might be a hardware thats failing. Check this link as your reference:

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My Hp Compaq main board fan will turn for a short period and will be beeping.

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If i start up my dc7600 sff there is a red led blinking and 4 beeps then a pause and again 4 beeps this happens several times and then it stops. Can you help me to solve this problem ? Thank you in...

RAM has been faulty of your PC.If your system has two RAM's then you can check it one by one RAM.If it is only one RAM then you can check it with another RAM.

Sep 15, 2010 | HP Compaq dc7600 Small Form Factor PC...

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Computer will not start

It all depends how many beeps there were.
Diagnostic LED Explanation Table Number of 1-second red LED blinks followed by 2-second pause, then repeats:
2-processor thermal protection activated
3-processor not installed
4-power supply failure
5-memory error
6-video error
7-PCA failure (ROM detected failure prior to video)
8-invalid ROM, bootblock recover mode

I have only really come across 4 beeps = order new Power Supply or 5 Beeps = reseat the memory and hope it works



Apr 15, 2010 | HP Compaq dc7600 Small Form Factor PC...

1 Answer

Compaq dc7600 help

Sounds like your beep codes are being caused by a Pre-video memory error, where your onboard video chip uses a portion of your ram.

first, best to unplug the power cord
try reseating the DIMM's in the memory slots on the motherboard, and then turn on your computer.

if no go.
remove all but one DIMM and try booting. if your computer boots now, then the DIMM that isnt in your computer is most likely faulty.
i would also inspect the DIMM sockets with the DIMM's out to see if there is any damage to them. have seen a number of cracked sockets and this can be a problem, with even the slightest bump causing a DIMM to move, and causing this type of error.

If you still get the error, if you reply back in here, can help you further.

hope this helps

Feb 16, 2010 | HP Compaq dc7600 PC Desktop

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I have a HP dc7600 SFF. Tried to Install 2 graphics cards no vid

The dc7600 SFF only comes equipped with a 240 watt power supply. I think this may be causing your problems.

I am currently looking for a graphics card for the same comp with the HIS ATI HD 4350 in mind, but the website states that a 300 watt power supply is recommended.

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5 Beeps with red light.

Well those beeps tells you that something is going wrong with the hardware. Could be the memory/processor or something going bad on the motherboard. Well you could try a few things (new memory/harddrive/removing all PCI cards except the video card) to try to isolate the problem. But you probably end up at the computer store where technicians can take a look at it. So I would go there first since it's probaly gonna take some time to figure it out anyway. Also try to remove anything you installed recently. Good luck!

Jun 08, 2009 | HP Compaq dc7600 PC Desktop

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"HP Compaq dc7600 small form issue!"

Usually thats a sign you need to replace your battery. Ha Ha.

Jul 14, 2008 | HP Compaq dc7600 PC Desktop

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Chp compaq dc7600pc

It would be

 4 - 4 - 1

 Serial port failure

 Bad motherboard
If u have Phoenix BIOS

 9 Beeps

 ROM checksum error


if u have AMI (American Megatrends International) BIOS

Oct 25, 2007 | HP Compaq Business dc7600 PC Desktop

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