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Catz440
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Z440 56GBs works fine, when I add another 8GB stick I get 4 beeps code

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Z440
Microsoft Windows 10 (64-bit)

I have a Z440 running  Win 10-64, Z Turbo G2 256GB as boot drive, Samsung 500 GB ssd storage drive,Hp 265GB ssd storage drive, EVGA GeForce GTX 1070 SC GAMING ACX 3.0 which I believe ahs max wattage of 170 watts. Also running a Behringer U-Phoria UMC404HD  USB external sound card, the USB is plugged in but I'm also running a an ac adaptor to power it.

 

Question, currently I have 7-8GB memory sticks installed and it runs great, I have one memory slot left open, when I install another 8gb stick i get a beep code, the memory is all the exact same samsung ram. The beep code is 4 beeps that coincide with 4 LED flashes and 4 audio beeps. 

 

Any help would be greatly appreciated 

 

 

 

Big Iron question, HP Z440, HP Z640, HP Z840

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DGroves
Level 11
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try swapping the last ram module with the first bank's ram module, if you now get a error the module is defective

 

if the swapped ram works without any errors, place the module from the first bank into the  last slot, if you still get a error the slot is defective

 

please read the user or service manual on the HP z440 for more information

 

http://www8.hp.com/h20195/v2/getpdf.aspx/c04400038.pdf?ver=1.0

Catz440
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I bought another brand new module and tried it in the same slot (before I received your suggestion) and I get the same error.

I pulled the module and noticed that the ram slot does not look the same as the others, on each end the slot get's wider (see Picture) none of the other slot's look like that, they are all uniform the entire length, unlike the last slot.

Would like to here what you and others think before I go to HP support to get this fixed or replaced.

I did find some information on the beep code, I don't see the point in doing the diagnostic they suggest since the PC works great when I pull the memory out the the slot. Below is the beep code diagnostic routine HP suggestRamSlot.PNG.

 

 

The Diagnostic LED blinks red 4 times and the system beeps 4 times (once per second), then a 2-second pause follows:

This indicates power failure.

To resolve the issue, complete the following steps:

1) Open the access panel, and ensure that the necessary power supply cables are connected to the system board.

2) Locate a faulty device by removing all devices, and then reinstalling one at a time until the workstation fails:

- Disconnect AC power to the workstation.
- Remove all the devices.
- Reinstall a device.
- Reconnect AC power.
- Continue adding devices to ensure that all devices are functioning properly.
- Replace the device causing the failure.

3) Verify the power supply functionality.

- Disconnect AC power.
- Z400: Remove all internal power supply cables from the system board.
- Z600 & Z800: Remove the Power Supply from the chassis
- Plug in AC power.

If the power supply fan spins, and the LED illuminates, then the power supply is good. Replace the system board.
If the power supply fan does not spin, or the LED does not illuminate, then replace the power supply.

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