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Compaq armada m700 power on problem

Posted on 2009-03-29
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Last Modified: 2013-11-17
hi,

my company recently bought an old armada M700 PIII laptop which works almost fine but after shutting it completely down(not standby);when I try to turn it on again  the laptop won't work only after taking the battery and AC plug out for a few hours.I've googled for a solution but couldn't find anything like it.please help me solve the problem.i was told that the bios may need to be reflashed.
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Question by:mihait39
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by:nobus
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this seems a classic case of failing capacitors; they can be bulging, or leaking even.
inspect the motherboard.
not much you can do to fix it ...
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by:aboo_s
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I would suggest you load fail safe settings  in the bios or simply disable all onboard cards
sound lan etc...

You see your laptop boots up only after a re-set of the bios which means something is not right!
So you'll have to look for it.
I wouldn't go for capacitors leaking problem! I don't think this is it!

I would also suggest you do not attempt to re-flash BIOS unless you really have to.
 So before you boot the laptop first disable everything on bios and then boot up.

If this works then we can identify the problem and try to solve it.
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by:mihait39
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the laptop boots fine when taking the battery out and then running some time on ac power.i don't have the guts to open it to check if the capacitors are the problem.i'll just try to load default options(fn+f11) at boot
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by:nobus
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then do a complete reinstall - if nothing hardware wise is wrong, that should fix it
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by:mihait39
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that's exactly the problem i don't know if the problem is a hardware problem or just a bad bios flash
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by:nobus
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try running from a live cd - if that's ok, chances are your hard is ok :
ftp://ftp.knoppix.nl/pub/os/Linux/distr/knoppix/KNOPPIX_V5.1.1CD-2007-01-04-DE.iso         Knoppix      
      www.nu2.nu/pebuilder/                               BartPe
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by:mihait39
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i know that my hdd IS ok.that's not my problem.the problem is as i've already stated that the laptop won't power on after pressing the POWER button after a normal system shutdown, unless i take the ac plug&battery out and wait a few hours
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by:aboo_s
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The way things are going I don't think it's a bios problem but a hardware one!

Have you tried disabling everything in the bios !?
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by:nobus
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did you run from a live cd yet ?  no problems ?
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Author Comment

by:mihait39
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@aboo_2:yep,restted the bios by removing rtc battery
@nobus:live cd boot is okay and even windows boot is okay,but the laptop doesnt't start after complete pweroff
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by:aboo_s
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no mihait39 this is not what I mean !
I want you to try and disable all cards from your BIOS.
you do this by entering bios then looking for integrated devices and disabling them!

 
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by:nobus
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by:mihait39
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@aboo_s:yup tried that,not working
@nobus:I will try that and post the results
@everyone:somebody told me that the problem may lay at inverter board or at the voltage converter board but I don't think that's something I could manage to fix by myself allthough I have good soldering skills,I can't find any replacement board as the laptop pretty much outdated is.
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by:mihait39
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back,the problem details have changed.I have updated the bios to the latest available,it wrked,got into windows,but after the shutdown...it won't start anymore no matter it has the battery in or not.it won't start even on ac powe ronly.if i leave the battery and ac in the first led beneath the screen will turn on for a few seconds but that's all I get
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by:nobus
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remove battery and AC - hold power button for 20 sec
now reconnect power and try to boot
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by:mihait39
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not working,if I run on battery power only then the orange led at the bottom will just blink,won't boot.the same thing is with the ac plug in
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by:nobus
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you have to remove them both - then keep the buttoon pressed
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mihait39 earned 0 total points
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no joy,still doesn't work.won't power on.leds just keep blinking 8 times then totally turns off
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by:nobus
nobus earned 20 total points
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seems a dead board or cpu to me..
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