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PC will not start up

My Dell Inspiron 510M will not start.  The power light comes for about 5 seconds and then turns off.  I have removed the battery with the same results.
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thesurfer31
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thesurfer31
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2 Solutions
 
rindiCommented:
Remove your RAM, and if you have used more than 1 module, insert just one and check if it starts or not. Repeat this using the module in the other Slot, and if you have two modules, repeat with the other one as well.
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thesurfer31Author Commented:
Nope ;-(  

I have two modules and I worked every combination with and without the battery but the results where the same, e.g., the power light comes for a few seconds and goes off. Nothing powers up.
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rindiCommented:
Do you have access to another powersupply?
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thesurfer31Author Commented:
Yes.  Sorry I should have said that.  I have another, working, power adapter for a DELL PC.  I don't have another similar battery though
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rindiCommented:
Does that other powersupply work on this particular laptop or not? Test it without the battery.
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thesurfer31Author Commented:
Yes, I have already tested my other powersupply on the 510M laptop and vice versa, e.g., the 510M's powersupply on my good laptop.  The results are same on the 510M whichever powersupply I use (with or without the battery installed).
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rindiCommented:
Then try removing everything that is easily removable without having to open the case itself (cd drive, harddisk etc) and try powering it on again. Does the led come on first without the battery inside, or only if the battery is there?
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thesurfer31Author Commented:
The LED comes on for a few seconds exactly the same for: with battery only, powersupply only and powersupply and battery together.  I have removed the CD, PCI card, and HD and have the same results are the previous sentence.
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rindiCommented:
Then i guess you'll have to get the PC repaired, either by Dell if you still have warranty, or by a PC shop, or you can try opening it up yourself to make sure all connections are OK, everything seated properly, fans running and dust cleaned out, but otherwise there isn't too much you can do if you don't have spare parts, like a mainboard or a power regulator board, if that is separate to the mainboard.
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PUNKYCommented:
It might be simple, power up system and keep pressing the F12 to start booting from other device, if it passes that page, you can have a choice to boot into windows.
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thesurfer31Author Commented:
Nope that doesn't work either.  

I have been reading Dell's forum and the problem is pointing towards a motherboard problem.  I will take it apart and see if there is any loose.
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nobusCommented:
try booting it without cd, or disk, or extra cards.
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thesurfer31Author Commented:
Before I started to open up the PC to check all the connections on the motherboard, I decided to see if it was still the same. It now starts and functions ok.  My daugther now tells me that it happened once before and started working the next day.

Any ideas?
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rindiCommented:
Could still be a bad powerconverter on the board, (bad caps is a common problem), maybe the CMOS battery is bad, but that should give other problems, a bad cable or connection inside...
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nobusCommented:
could be a bad battery, or charging circuit on the mobo
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