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86355
October 16th, 2010 01:00
My computer does not start, with 6 beeps
I have a Dell precision workstation 360. It tells me system battery votage is low, keep forgeting date and time, so i replaced the battery on the motherboard. While i do this, i found the bottom of the button battery chamber was slightly erosed, so i used a small metal knife scraped it so try to make better connection with the battery.
After that, my computer will not start. After i press the power button, the front power light is on, with 6 beeps. then nothing will happen. the beep pattern like this: 2 long followed by two short, then pause then two short ones.
I wonder does this means the motherboard is dead? or some other issues? I might did stupid things, since i do not know much about the computer.
any input is very much appreciated.
After that, my computer will not start. After i press the power button, the front power light is on, with 6 beeps. then nothing will happen. the beep pattern like this: 2 long followed by two short, then pause then two short ones.
I wonder does this means the motherboard is dead? or some other issues? I might did stupid things, since i do not know much about the computer.
any input is very much appreciated.
thanks
qishengguan
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fireberd
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33.4K Posts
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October 16th, 2010 04:00
With the PC powered off, go back and check the battery installation and make sure you have the battery installed with the correct polarity. The plus side of the battery is UP. Also check all the internal connections. One may have been moved during the battery installation. Also reseat (unplug then plug back in) the memory modules.
That beep code combination is not listed in the Dell manual.
360 Beep Codes
qishengguan
7 Posts
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October 16th, 2010 21:00
thanks.
THe battery is installed correctly and i did go back to make sure every thing is connected fine. I check the 360 beep code again and find out it is the pattern like: 1-3-2, indicates "DIMMs not being properly identified or used". I checked the RAM and video card to make sure it is firmly plugged in. One other thing i found out now is the video card (not the orginal one) has a power connetion, so if the whole computer can not be powered up, maybe the video card does not has power supply too?
thanks
qishengguan
fireberd
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33.4K Posts
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October 17th, 2010 04:00
Reseat the memory modules with the PC powered off (unplug and then reinstall, one at a time).
The problem would not appear to be the video card or the PCIe power connection. The PC is failing the "POST" (Power On Self Test) and the reason for the beeps. There are also diagnostic lights that help isolate problems and they are listed in the manual.
qishengguan
7 Posts
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October 18th, 2010 01:00
thanks you very much, guys
THe problem resolved. IT is related to the RAM.
I place RAM one by one, one is making the same beep, no matter which socket i plugged in. (THis one the bad). THe other one started the computer, no matter which socket i put in.
Just that simple. I thought i will not make it work again. But what caused that damage to the RAM? coincidence or something i did caused damage?
fireberd
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33.4K Posts
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October 18th, 2010 06:00
Memory is static sensitive and if the ram chips or the printed circuit side was accidentally touched and happened to cause a static "shock" to the module it can be damaged.
Since you were inside the PC to replace the battery that could have happened. When working inside a computer either wear a "grounding wrist strap" which keeps you grounded (preferred) or at least touch a metal part of the PC first to ground any static before touching anything inside. The straps are inexpensive and anyone that works on PC's should have one.
Example of Grounding wrist strap