Solved Why my computer beeps at startup and nothing happens

August 31, 2014 at 11:15:31
Specs: Windows 7, 3.15 GHz/8 GB
I replaced the hard drive for my neighbor's hp a6620f desktop computer. The original one was always clicking at startup. Now, with the new hard drive, I get a series of 2 quick beeps, then 6 normal beeps after which nothing happens. The hard drive seems OK. The case, PDU and cpu fans are running, but there is nothing on the monitor. Removed, cleaned and reinstalled the 4 memory boards and still nothing. Although, if I only leave 2 memory boards installed in the 1st and 3rd slots, the computer will bootup normally and function normally. Sometimes, I can add the 3rd memory board in the 2nd slot and the computer will function only until I power down the computer. If I start up the computer, I am back to my beeps again. It seems to be a hit and miss situation. I have tries several combinations of moving the memory boards around to different slots and sometimes it works and other times it just beeps. BTW, each board is a PC2-6400U 1GB module. Again I cleaned the memory board connectors and the module fingers with alcohol, but makes no difference. When the computer is functioning, it works for hours until I switch it off. Next day, it beeps again at start up. Any ideas where I should look? I only have Ubuntu 14.04 LTS 64 Bit OS installed.

OS: Windows 7 64bit/Ubuntu 12.04 LTS 64bit
CPU/Ram: E8500/8GB PC2-6400
Manufacturer/Model: AVA Direct / Built online

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#1
August 31, 2014 at 13:16:48
✔ Best Answer
I believe I found the problem. I found that replacing the keyboard seems to have stopped the beeping and now the computer appears to be functioning normally. I am presently testing the memory with all 4 modules installed. The fact that I could restart the computer several times without a problem is a good sign. Will continue memory tests for at least a couple of hours to be sure.

OS: Windows 7 64bit/Ubuntu 14.04 LTS 64bit
CPU/Ram: E8500/8GB PC2-6400
Manufacturer/Model: AVA Direct / Built online


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