Question about Dell Latitude C640 Notebook

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My dell c640 notebook won't power on

When i put they charger in the jack it is loose.I think thats my problem but idk plz help

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When times the charger jack is loose use the notebook in a constant position. see to that you dont disturb the note book.
always its advisable to use the use the laptop in one particular position rather than carrying around in your home..

Posted on Dec 24, 2007

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1 Answer

Laptop won't charge


It may be your laptop dc power jack is loose or dead. You should fix it. If you are good at tech, you can do it by yourself based on the following instructions:
http://www.chargerbuy.com/blog/dc-power-jack-repair-guide-do-it-yourself-instructions/

Otherwise you need to take it to a tech center for examination. Hope this will help you

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Charging light is flashing


There are two possible causes for this issue:
1) Your dell 9400 charger is malfunction
2) Your laptop dc power jack is loose or dead

Possible troubleshooting step:
1) Borrow a compatible dell charger to plug in your laptop, if it works without any issue, it means your dell inspiron 9400 adapter need to be replaced.

2) If the compatible dell 9400 charger won't work normally, the problem may lie in your dc power jack.

Hope this will help.

Jan 07, 2013 | Dell Inspiron 9400 Notebook

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Hi guy plz help me i got a dell latitude C640 and its not willing to detect my cd drive. after loading bios its telling me the device in the modular bay cannot be recognised and its not booting into...


hi,
check if any updates are availble for the bios
go to support.dell.com > drivers and downloads > put in your service tag and check if any update is available you can update your bios

you can also try restore your bios to factory settings you have an option for this in the bios menu as well and then connect the drive and then boot.

Further Queries are welcome
if you think my solution was helpfull please do rate me

Mar 28, 2009 | Dell Latitude C640 Notebook

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load uaa driver if problem not solve change speaker

Mar 22, 2009 | Dell Latitude C640 Notebook

1 Answer

Power & Battery in a Dell Latitude C640


If the laptop does not run plugged into AC power, then you may have a defective power brick or a power problem with the laptop.

I would try another power brick. If that doesnt do it then your power jack inside the machine may be damaged and usually that means the motherboard is cracked. The only fix in that case is a new motherboard ($150-$200 plus labor) OR you can get the Dell C PORT II port replicator which has its own power jack.

Hope this helps!

Dec 28, 2007 | Dell Latitude C640 Notebook

3 Answers

No power


Try to remove the battery and then plug the power adapter only. If does not power up try with battery only and then if not your motherboard is bad. You can send it to us and we will fix it

Sep 10, 2007 | Dell Latitude C640 Notebook

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