Pavilion a350n trying to do work

Here's a good head scratcher. I got what was supposed to be an A350n work. The memory and the hard drive had been removed. I bought (P2700, 512 MB) memory and the unit running. An endless series of long beeps. Read a number of forums with no firm answer. Here is what I tried:

1. it was mentioned that a power supply can be problems. I replaced it with the same problem.

2. deleted all devices e/s, cards and memory, yet a series of long beeps without end.

3 replacement motherboard, not installed, remain a series of long beeps without end

4 replace the processor (the two mobo), nothing installed, yet a series of enless beep

In addition, the unit powers on as soon as the power cord is installed without pressing the power switch. With the cd rom drive connected, it seems that the unit is set to zero because the drawer opens and closes with each beep. I bought enough parts to build another unit, but both have the same symptoms and may, if I can get at least a unit running.

Thank you

Denis

OK, the problem was tha I had installed the ECC memory. It is a special mother. There must be no ECC and single-sided...

Tags: HP Desktops

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    HP support/troubleshooting & drivers<- set="" your="" model="" and="" then="" your="" version="" of="">
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