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Dell E1505 won't complete POST and boot


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#1 thornhillfarm

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Posted 04 March 2011 - 06:30 PM

Hi, I'm trying to help a friend fix her computer - I'm not a techie, but I've had some success fixing others in the past with the help of smarter people available online at places like this :-)

When you turn the computer on you get the Dell screen showing BIOS revision 12 and a bar that starts out lit about 3/4" across and never progresses. There are normal startup sounds. The power light is green and stays green. I read somewhere to hold down the Fn key while turning on the computer and that results in a Diagnostic Boot Selected message in the upper right of the screen and the cap and scroll lock lights flashing - I thought that meant bad ram, but they don't flash if I don't use the Fn key when starting so, that's confusing.

I've figured out the battery is bad, I get flashing orange light 4x followed by green when it and the ac cord are both active and when I checked the battery indicator it lit up all 5 leds showing more than 60% bad cells. I've removed and reinstalled the battery, ram and hd. I've removed and reinstalled the ram in every conceivable combination with the results appearing as if Dimm A is no longer functioning. I've also removed and reinstalled the modem, and I've replaced the watch style battery on the motherboard.

Any help would be MUCH appreciated

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#2 cryptodan

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Posted 04 March 2011 - 06:42 PM

When was the last time you cleaned out your computer? Heat could be causing the computer freeze up mid-post. See how dusty the computer is.

#3 thornhillfarm

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Posted 04 March 2011 - 09:02 PM

I've been in the back several times today, and under the keyboard in the front, didn't notice any dust to speak of. As for when it was cleaned on the inside, I don't know if she ever has, but I get the impression she's almost never used this computer so probably not often. Not sure how she stores it, but it looks pretty clean on the outside as well.

Note: I've now tried verified working ram from another computer with all the same results.

Edited by thornhillfarm, 05 March 2011 - 10:52 AM.





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