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 Post subject: Power problem on Packard bell and dell laptops
 Post Posted: Thu Mar 15, 2007 11:23 am 
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Joined: Sun Feb 04, 2007 1:32 pm
Posts: 225
The power supply to my packard bell laptop one dc 1701dvd stopped
powering one day. I took it for repair and they told me it had blown a
fuse. I used a power supply for a compac pressario which supplied same
voltage and different current. I used it for about an hour and then it
started to blink on the power supply led and making a tick-tick sound while
the laptop went off. I then boght an original power supply and the power
supply led blinks when i connect it and the laptop does not power up.

I then came across repairing and upgrading laptops in a bookshop and
bought it. i hoped this would help me understand more about my problem.
The book is a graet asset, though it could not help things on the
electronics nity-grities. I need you to help me to figure what the problem
is with the board. I bootstrap-troubleshooted it and it still gives same
condition.

I also had a dell lattitude brought to me with he same problem and I
could no figure out the solution. I only blinks when i plug in the board
with the PC adaptor plugin and power-on button.

Thank you for your great books. I will be buying URPCS 17th Ed soon.


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 Post Posted: Thu Mar 15, 2007 11:24 am 
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Joined: Sun Feb 04, 2007 11:44 am
Posts: 6100
Thanks for buying my book. From your description, it sounds like possibly
the AC adapters, batteries or power circuits on the motherboards may be
defective. Try replacing the AC adapters with the proper type (correct
voltage, tip and minimum current rating). Also try running the systems off
the AC adapter only, with the battery removed. If none of that helps then
unfortunately the problem most likely lies with the motherboards. In that
case I would recommend locating replacements used (do a search, try ebay),
or selling off the rest of the systems for parts (for older laptops the
parts are generally worth more than the entire system) and starting over
with something else. Let me know how it works out in the end, Scott.


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