Question about HP Pavilion dv1000 Notebook

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HP Pavilion dv1000 AC Adapter Problem?

I have just started having difficulty with the power cord suddenly not working and having to rely on battery power. It happened the other day and somehow I got the power cord working again. Of course I don't know what I did to make this happen...I think I just wiggled some of the connections and rebooted. I tried all that again today, but no luck.

Is there a way to tell if I just need to replace the AC adapter or if there is a more serious problem with the power jack to the motherboard?

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  • oliverdog Mar 31, 2008

    Thanks so much for your advice. I ended up testing it with another AC adapter first (which I didn't have handy when I asked the question) and it was confirmed it was the adapter. I purchased a new one and am good to go!

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Dear oliverdog

I am sorry to hear your problems but I hope we can figure this one out. Troubleshooting the AC power is not always easy. Let do the easy stuff first.

Warning: If you are anaware how to handle voltages please dont follow this guideline. It might hurt you or you equipment. Furthermore all parts if covered with warranty can and will be replaced, dont do any repairs as this will void it at some point. (Just to let you know)

If you have a multimeter you can test the actual power supply DC voltage output. When plugged in it should read certain voltages (look at the bottom of the plastics at the power cord (brick) to find the label regarding the voltages. Probably will be saying something like 18V 4.5A) You have to measure this with the multimeter at an appropriate scale (20/40 volts). If you are and not reading any serious +/- fluctuations then the AC input and DC output is fine!

Otherwise start searching for a replacement part.

If the power cord is reading fine the problem cannot always be the DC POWER Jack though. I had an AC Jack problem with a HP ZX5000 earlier this year but this is not always the case.

Please go to the following link (simply press left click/or copy paste to your browser and it will start the download automatically)
It is the complete HP Service Manual on how to troubleshoot and take apart your laptop.

h20000.www2.hp.com/bc/docs/support/SupportManual/c00444244/c00444244.pdf

At page 48 you will find extensive information of step by step info on troubleshooting your power AC up to motherboard problems. It is unfortunately too long to elabore here but it has good info in it.

Anyway, I hoped I have help you! (For anything else please ask me again. I will help!)

Please dont forget to rate this rating if it has helped you.

Posted on Mar 31, 2008

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