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My laptop is dell latitude c640,i but fairly used and the guy boot in my present by sent the setup and the window xp comes on,and after using it for some time i mistakingly press f1; during switch on and it show setup wish when i press esc; it just off and if i on it back again it still show setup and when it boot it will show on sreen reading like this (prossesor microcode failure).

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It seems the some error has ocurred to the BIOS set up of your laptop. After switching on when the POST process completes and BIOS programme hands over the process to the OS or in your case Windows XP watch the screen for displayed messages. See which button to be pressed instantly as the message prompts for accessing the BIOS set up window or dialog box. Once in the BIOS set up window go to set the BIOS appropriately by navibating to the different set up pages as promted by on screen display. BIOS set up is very critical wrong set up can land you in further touble from where it may be difficult to return. Before doing anything by yourself get yourself well informed regarding the BIOS set up.If some part of the BIOS programme has become corrupt. you need to flash the BIOS set programme for your specific model. From the website of DELL company these soft wares can be dwnloaded using internet and another computer.For windows related problems the system can be booted using bootable media then necessary changes to the OS can be carried out step by step. If the laptop is new one it may be better to take it to the dealer for solving the problem, in case any unauthorised person tries to open the cabinet for hardware repairs. If the gurantee period is over, one thing can attemped. Some times many such problems occur due to contamination of the contacts through which connection between different parts of computers are established, If you have used the laptop outdoors for fairly long time now this could have happened. In this case the case may be carefully opened and cleaned with soft brush and voccume cleaner. The RAM card may be detached from the socket and carefuly reinserted after properly cleaning the surface and pins.
Let's hope your computer becomes alright. Or else you may visit Dell website for expert guidence.

Posted on Feb 20, 2012

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Maanita
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SOURCE: install memory in Dell Latitude C640

http://support.dell.com/support/edocs/systems/latc640/sm_en/upgrades.htm#999869

this link would be helpful

Posted on Mar 12, 2008

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1 Answer

C640 can't boot up


Ok.Better reinstall the os.Because disk boot error cannot be solved is suppose...To install the os follow these steps.

Step 1:Power on your system and press DEL key

You will see a blue screen with some options on it in white. (you can only use your keyboard to navigate in this screen). Go to the Advanced Setup Options ---> then select Boot Priority ---> 1st Boot device to be Floppy drive , 2nd Boot device to be CD-Rom drive

Step 2:Insert the Bootable DOS floppy in your Floppy Drive. Press F10 to save the bios settings and exit. (Your system will re-start automatically)

Step 3: Let the Dos load from the floppy and A: shows up.

Step 4: Change the Command prompt to HDD Drive letter, it will be D: or E in which u have Xp cd contenet.And type If xp content in d:under x folder mean.D:cd\x and press enter.

Step 5: now type on the D:\ prompt -- setup.exe and press enter

Step 6: follow the prompts there after. and for more info contact http://tinyurl.com/m7ghqz

Jun 19, 2009 | Dell Latitude C640 Notebook

1 Answer

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

1 Answer

I need soundcard driver of dell latitude c640 laptop eg. cs4205 crystal


Assuming you are using Windows XP
Crystal Driver
Applies to
CS2405
Download Dell Latitude C640 Audio Driver

I hope this resolves your problem

In case you need any other drivers for the same model or different operating system
Download other Drivers

All the best

Jan 05, 2009 | Dell Latitude C640 Notebook

2 Answers

LOST PASSWORD


It looks like Dell is pretty tight with this info. They want you to contact their tech support in one of these ways:

http://support.dell.com/support/topics/global.aspx/support/dellcare/contact_technical_support?c=us&l=en&s=gen

Before doing that though, I'd remove all power, unplug the CMOS battery and let it sit for a while before hooking the battery back up, applying power and see what happens.

Dec 30, 2008 | Dell Latitude C640 Notebook

1 Answer

Booting problem


Try putting the computer into safe mode by holding down on the F8 button and selecting safe mode during the boot process. Once you get to the safe mode screen and windows appears, restart the computer.

If that doesn't fix the problem you will have to restore Windows.

Jun 12, 2008 | Dell Latitude C640 Notebook

1 Answer

Dell laptop memory install


available physical memmory is what all your programs on your comp is using like windows virus software drivers im thinking you probably have spyware or bugs in your comp that could be bringing memmory down

total physical memmory is what you just put in

May 09, 2008 | Dell Latitude C640 P4 Mobile Notebook

3 Answers

Dell c640 audio problems


i installed windows xp service pack 3 in dell c640 latitude laptop after which the multimedia audio controller driver is not installed.

Apr 23, 2008 | Dell Latitude C640 Notebook

1 Answer

Dell Latitude c640 Disable BIOS memory


Just use recovery console of windows xp bootable media and use the following command.

chkdsk (to check the volume).
fixmbr
fixboot

It happens due to improper shutdown methods which has caused the system volume to corrupt the MBR.

Dec 13, 2007 | Dell Latitude D600 Notebook

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