Question about Dell Latitude D820 Notebook

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Dell Laptop Battery

I am about to go on a bus trip and I will be taking my laptop. It is a 12 hr. ride. I know that my laptop battery is only going to last about 4 hrs. I will be accessing the Internet on it and watching DVDs. I need to know if there is a power source I can purchase to provide me with more battery life; or is the only option is to purchase an extra battery?

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Another battery is your only option. Check with the bus service to see if they have outlets at the seats. I know that a few bus companies are providing outlets on their buses for customers with laptops and other devices.

Posted on Jul 19, 2008

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Watching dvd reduces the the battery power especially when its uesd simultanously with other computer application that may reduce the hrs but since your mobile you need a portable device,and the option is to purchase another battery with more Ampere Hour (AH)rating that will last for longer hours more than 4hrs

Posted on Jul 19, 2008

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How do I determine the battery pinouts for my Dell Inspiron 1526


the pin outs for the batteries in general are:
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2 SMB_SDA - System management Bus Serial data
3 SMB_SCL- system managemant bus Serial Clock
4 Batt_temp - Battery temperature monitor
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the SMB_SDA & SMB_SCL are used by IO controller chip in mainboard to communicate with the battery( battery type , charge level), and you can not use other model laptop batteries because it will not match with the bios whitelisted battery type.
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Lower replcement laptop battery and adapter


Something I had not heard was to take out your battery when you are plugged into a wall outlet. If you are working on AC power, then it’s not necessary to have your battery in the laptop. Overcharging can also present problems for your laptop battery.
Another problem I know is that the cords on the dell inspiron 5160 battery packs get damaged causing the user to have to purchase a replacement cord. Make you purchase the correct wattage cord because using a higher wattage than what the laptop calls for can damage the battery and possibly the motherboard.
Keeping your battery contacts free of dust and debris is important. When you remove your battery, take a little rubbing alcohol on a cloth and clean your contacts real good. Make sure the contacts are dry before you insert the battery back into the laptop and you are good to go!
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My dell pa 12 won?t start ?


When i start my dell pa 12up and it takes 10 mins to load to windows XP, , when the windowsloading screen comes up the FANS go crazy. I then wait till i’m at thedesktop at which point i immediately shut down the pa 12(which takes afurther 7 mins) while the FANs are going crazy.

answer :

Now if i start the pa 12 again it works normally.

I had to do this procedure everyday, untill today when i switched the pa 12 on, waited till the desktop appaered and i removed the battery while the pa 12 was on..
17028ca.jpg
Now when i switch the pa 12 on it powers up but i’m not getting anything on the screen

First try a different AC adapter (such as :pa 10 ac adapter)

If no change then the issue is the motherboard. Often the AC adapter will fail then the battery discharges and you get the symptoms youdescribe.
SO AC adapter then MB

It shows no power on your laptop but it shows you the dvd player led comes on then off.

I would suggest try the following:

1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well.

2. Make sure AC Adapter is not yet connected to the laptop. Pressand hold on the laptop’s power button for 10 seconds to drain the powerflea.

3. Connect the AC Adapter to a known good power outlet, check ACAdapter power LED if it is on. Try to sense if AC Adapter is not makinga bit of noise when it is plugin to the wall power outlet.

4. Connect now the AC Adapter (hp dv6000 ac adapter)tothe laptop. Check if AC Adapter LED stays on when it is connected tothe laptop. If the LED stays on means the AC Adapter is fine. If the ACAdapter LED turned off check the AC Adapter pin that goes to the laptopAC socket if it is loose.

5. If laptop AC Adapter stays on after connecting to the laptop try topower on laptop. If no power LED comes on then this is motherboardproblem.

6. Before replacing the motherboard there is one checking needs todo. If you can open your laptop bottom part then good, do this whenlaptop is not connected to any power source. Try to reseat the laptopCMOS battery then try to power on laptop after, if still fails thenreplace motherboard. I hope this helps.

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