Question about Dell Latitude C640 Notebook
Its an older lcd screen. so try to replace the screen or get a notebook cooler to cool it.
Posted on Jun 20, 2014
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Posted on Jan 02, 2017
Hi, The only way for that is to contact dell support. you're gonna need help from a level 2 tech from austin as they're the only one who has the master password for that.
Posted on Oct 03, 2007
SOURCE: Dell Latitude C640 Laptop
get to the main board of ur system there is a jumper near the battery .
change its position while power is off and get it back to its previous position. this way u will reset cmos to default.
if the computer starts hit delete to enter setup and load system defaults.save changes then exit.
ps: defected processor could be the cause
Posted on Nov 14, 2007
SOURCE: Dell Latitude c540/640
Windows Vista is not supported on Dell Latitude C540/C640. There are no drivers for the hardware of this model. Many older computers have that problem. You can try Microsoft to see if they even exist: http://www.microsoft.com/uk/windows/products/windowsvista/buyorupgrade/upgradeadvisor.mspx
You might have to fall back to XP.
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Posted on Oct 27, 2008
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