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Beep Code issues


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#1 j2rockefell

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Posted 10 November 2012 - 02:37 PM

My good friend has a Dell Inspiron 1545 that refuses to Boot. It's fan starts OK, and the power LED comes on, but there is no display, and it gives 4 beeps, which are repeated until the laptop is unplugged, and the battery is removed.

I have tried re-seating the RAM, removing the chips one-at-a-time, installing only one chip, in alternating slots and swapping which of the chips I try. The PC is clean, and I have re-seated the CPU.

The original factory Thermal paste had dried to a flaky substance and separated, So I replaced it with some Arctic Alumina. (Although if this is a CPU issue, I fear I may have been too late...)

Looking up beep codes on Google, it appears that the repeated 4 beep code is a "Cache Test Failure". Everyone suggests re-seating the RAM, but that didn't work. I had assumed anyhow that the "Cache Test Failure" code most likely had to do with on-die cache in the CPU, correct?

Is there a way to test whether the CPU is fried without just getting a new CPU and praying?

Thanks in advance for any help you may be able to provide.

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#2 dc3

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Posted 10 November 2012 - 03:45 PM

The four beeps does indicate a RAM failure or slot failure. Try removing the modules and try one module in each slot, the the other module in each slot.

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#3 j2rockefell

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Posted 11 November 2012 - 02:41 AM

I have tried re-seating the RAM, removing the chips one-at-a-time, installing only one chip, in alternating slots and swapping which of the chips I try. The PC is clean, and I have re-seated the CPU.


Please substitute "module" wherever I have used the word "chip", as I obviously did not move the chips on the modules them,selves. ;)

Sorry if I should have said that differently, but I have done about every configuration I could with the RAM. (Modules reversed, module 1 only, module 2 only, module 2 in slot 1 only, module 1 in slot 2 only, etc etc.) I am also going to try a different pair of "known-good" modules, just in case. I hope the sockets are not fried. I doubt he can afford a new motherboard for a cheap laptop.

EDIT:
OK... Sorry. This was just stupid. I tried some RAM from an identical laptop, and it worked. I then realized the RAM was not the same. It appears his RAM was somehow swapped out. His PC came from the factory with 2 1GB modules of PC2-6400 RAM. The sticks in there now are PC2-4200 1GB, and are not the correct brand, nor are they labeled DIMM 1 and DIMM 2 like the other 2 Inspirons I have for reference. I am gonna guess he passed out drunk and one of his "friends" swapped it on him.

Thanks again for your help!
END EDIT

Edited by j2rockefell, 11 November 2012 - 05:15 AM.


#4 dc3

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Posted 11 November 2012 - 11:24 AM

Glad you got it sorted.Posted Image

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