Having problems with your Dell Inspiron 6400 Notebook ?

Dell inspiron 6400 won't power up

\015 I am clueless, so I'll explain....\015\012Awhile ago, II seen something on the laptop that said, a battery needs replacing. After sometime, my daughter told me her computer won't turn on. \015\012Thinking that you can't run a computer without a battery, I finally bought a new battery. I plugged it in for apprx. 8 hrs, tried to turn the computer on, 3 green lights lite up for about 3 seconds, then the computer just turns off - Nothing came on the screen.\015\012I have unplugged the computer, I tried to turn it on without a battery using the AC adapter, same thing happens. I don't know what is wrong, it is less than 2 yrs old. \015\012[The AC adapter has a green light on]\015\012Any suggestions would be greatful!\015\012 Thanks,\015\012 Debby\015

Answers :

Believe that this is an indication about the CMOS battery. It shouldn't have gone bad though, as the average lifespan of a CMOS battery is 9 years.

Dell's terminology for this battery is, "Coin-Cell Battery". No matter what name it is being called, it is a round battery like the type used in a watch. It is a CR2032. It is about the size of a U.S. nickle. This battery is readily available in many places. (I have even found them at the pharmacy!)

How to change it?
This is Dell Support, and the Service Manual for the Inspiron 6400, plus more specifically the page on how to change the Coin-Cell Battery. There are photos, and information.

http://support.dell.com/support/edocs/systems/ins6400/en/sm/coinbatt.htm#wp1127281

(Just copy and paste the above link into your address bar, then press the Enter key. Not trying to insult your intelligence)

1.Remove the AC adapter, (Charger), if plugged in.
2.Remove the battery from the battery bay.
3.Work on a table. It is recommended to buy, and use an ESD wrist strap. (Electro Static Discharge) This prevents static from your body, from frying out the delicate computer hardware components, inside your laptop.
(Example of an ESD wrist strap,
http://www.radioshack.com/product/index.jsp?productId=2103245&cp=&sr=1&kw=anti-static+wrist+strap&origkw=anti-static+wrist+strap&parentPage=search)

The ESD wrist strap has a strap that goes around your wrist, and in the strap there is an exposed piece of metal. This metal touches your wrist. The other end of the wrist strap has an alligator clip. This clip is attached to a good ground source.

The 'Good Ground Source' for many techs, is one where the alligator clip is attached to a ground in a house, or shop's, 120 volt electricity supply. In otherwords, that round hole on the bottom of a receptacle. (Wall socket. Two flat blade slots on top, and a round hole in the middle, on the bottom)

For me this = NO! You're not going to catch this kid, plugging my wrist to anything that has to do with high voltage electricity! Yes, it would be safe, but I have this thing that if lightning strikes a transformer on the utility pole outside, and follows the power wires to the house, or shop, then to the Service Panel, and finally to the LEAST possible source of resistance, Ummm,.....that would be ME!

Do you have a desktop computer? Unplug it from the surge protector. Open the computer case, clip the alligator clip to the metal frame.
(Or use an empty computer case like I do)

In 20+ years of repairing computers, I have never had a problem with this method.
(Sorry about the 'windy' explanation!)

The Coin-Cell Battery is under your keypad. However to remove the keypad, you must remove the Hinge Covers.
You have to remove the Hinge Covers, that are for the hinges of your LCD screen.
It's real simple.

Now remove the keypad, then the Coin-Cell Battery. The Dell Support link shows you, and give clear instructions.
Repair Help & Product Troubleshooting for Dell Inspiron 6400 Notebook

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