I have a c810 and it will only work when it is plugged into the a/c adapotor. i have batteries for both slots but they wont hold a charge is there somthing i should do or do you know where to find replacements
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Re: Dell Latitude C810 wont hold charge
Batteries for portable systems have a average expected life of 300 to 500 discharge / recharge cycles. On systems where you didn't use the battery a great deal, the battery may have a useful life of several years.
In you case, the batteries have long exceeded their normal life so you will need to find replacements.
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I'm guessing you are saying your laptop starts up for 5 seconds when you try to boot it then shuts down and only with the ac adapter.
Remove the Power Cord & Battery , Open the Cover to the Memory and remove one of thememory chips (the cover will have one or two screws on it). Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.
You can reset the BIOS password. Read the information from this link to find out how you can do it.
In case of your laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper and I wouldn't recommend doing it especially if it's under warranty.
Follow this link to the Dell website for the network drivers for your Dell Latitude C810 Notebook. Click on the Network tab and you will see the list of drivers available for download.
In the future it would help if you put in your service tag that is located at the bottom of the machine.
Hope this helps and thanks for choosing FixYa.com
I would suspect that your CD laser is bad (CD uses a different laser than DVD), and therefore should be replaced. Here is an ebay search to help you out: