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Bios Problems (dell Dimension E520)


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#1 shark101a

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Posted 22 January 2008 - 11:57 PM

(Dell Dimension E520) Computer fails during the power-on-self-test (POST). I get a black screen, while the BIOS beeps. Computer has four lights labeled "1," "2," "3," and "4" on the front panel. 1 keeps on blinking while 3, and 4 are lit. I checked the diagnostic codes and it points to a memory issue. According to dell support, when lights 3, 4 are lit "Memory modules are detected, but a memory failure has occurred". 1 is also lit and it means "No memory modules are detected" I replaced it with a new Ram stick but still get the same result. Does anyone know what could be causing this trouble?

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#2 dc3

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Posted 23 January 2008 - 12:53 AM

Is this a stock machine?
Have you made any hardware changes lately?
Have you tried re-seating the RAM?

I doubt you problem is in the BIOS as your title indicates.

Edited by dc3, 23 January 2008 - 12:59 AM.

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#3 shark101a

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Posted 23 January 2008 - 02:24 PM

I have tried a different module (slot) and still get the same problem. This is a stock machine and I have not made any network changes. It was working fine till just one day it stopped working.

#4 hamluis

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Posted 23 January 2008 - 04:45 PM

I would remove all memory modules...blow the area clean with canned air.

Take a known good (formerly installed) module and put in in by itself. Make sure you put it in the first memory module, according to your motherboard schematics.

Boot the system and check My Computer/Properties to see if it is properly recognized.

If so, then turn system off...insert second module, repeat drill.

Is this "new RAM stick" compatible with your system?

Louis

#5 shark101a

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Posted 23 January 2008 - 11:36 PM

I moved the ram stick to a different slot and still same problem, BUT this time the diagnostic codes are not displayed. I still get several beeps while start up. The power light is a amber light.

#6 hamluis

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Posted 24 January 2008 - 08:14 AM

I think you need to refer to this: http://support.dell.com/support/edocs/syst...EN/adtshoot.htm

Louis

#7 shark101a

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Posted 24 January 2008 - 10:12 AM

I reseated all the power connector and now when i restart the machince, the diagnostic lights are not shown. It has short continous beeps (15) and the light is a still amber. According to Dell support : If the power light is steady amber, a device might be malfunctioning or incorrectly installed.
Remove and then reinstall the memory modules
I bought new memory
Remove and then reinstall any cards .
Remove and then reinstall the graphics card, if applicable
This type of motherboard all the cards are integrated....?
Ensure that all power cables are securely connected to the system board
I checked and reseated all power connections.
Could it be motherboard failure?

#8 hamluis

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Posted 24 January 2008 - 10:26 AM

I don't own a Dell and, consequently, don't know much about them.

It COULD be anything, I cannot guess on that.

Those beep codes are sending a message for some reason, which is why the suggestion to remove, reseat.

I asked this before and you ignored it: Is the memory you bought compatible with the memory requirements of your system?

The best suggestion I can make: Wait for John, Mark, or one of the other knowledgeable persons who deal with Dell systems routinely.

Louis

Edited by hamluis, 24 January 2008 - 10:28 AM.


#9 Sneakycyber

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Posted 24 January 2008 - 05:22 PM

If you continually get a failed post you need to remove all of the add on cards, unplug the drives and leave in only the CPU, Memory, and Video if its not built on the motherboard. Reboot the computer and see if it will POST. If it does add one component at a time until the sytem fails then you will know what the problem is. Post back if that does not work. For further assistance we will need your Dell service ID tag number located on the back of your PC it is a white sticker with a barcode on it. We will also need to know what memory you bought so we can make sure its compatible with your computer.

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#10 shark101a

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Posted 02 February 2008 - 08:04 PM

I reseated what I could and I also took off the cmos battery (reset). Now when i restart the pc, I get an amber light but no beeps at all. The diagnostic lights are not shown. Still getting a blank screen. The memory that I purchased from (edgetechcorp.com) PC25300 DIMM 240 pin

#11 hamluis

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Posted 03 February 2008 - 09:28 AM

See last post by Sneakycyber.

FWIW: The memory looks compatible (as far as being DDR2 for a DDR2 system).

Louis

#12 shark101a

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Posted 03 February 2008 - 09:53 AM

I forgot to post the the service tag number 4T4D7C1

#13 Sneakycyber

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Posted 03 February 2008 - 10:39 AM

According to Dell, and Crucial that memory is compatible with your computer. If after trying the strip down procedure I posted earlier (post 9) you still can not get the computer to post I would recommend either researching a new motherboard or taking it to a shop to have it throughly tested. Its cheaper to get the components tested than buying a part you don't need.

Edited by Sneakycyber, 03 February 2008 - 10:43 AM.

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#14 RLI

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Posted 04 February 2008 - 03:20 PM

the motherboard is going bad on, that's why the ram will not work and you get the error code.
I've 20 of those systems here and all of them are bad mobo's.

#15 shark101a

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Posted 05 February 2008 - 02:58 PM

Is it possible to replace the motherboard? If so, what kind/type of motherboard would be compatible to this dell machine?




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