Question about Dell Inspiron 8200 Latitude C840 Laptop Keyboard03J247 CD-ROM Drive

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White screen on C840

I just found a Dell C840 laptop and I am trying to get it to turn on to update the software. But when I turn it on, the screen just goes bright white. The computer is responsive to key strokes and the disk drive works as well. Is there a way this can be fixed?

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Hi There,

A white screen is almost always the symptom of a failed LCD. The easiest way to check this is to connect the laptop to an external monitor. If it displays normally there, you've got your diagnosis, order and install new LCD. If the white screen is on both the external and the laptop monitor, the problem is on the motherboard and almost certainly the video processor/controller chip. That's when you have to decide whether to send the laptop to a motherboard repair facility (many on eBay are quite good), comparing their prices to acquiring a different used/new laptop.

If you are capable of replacing a motherboard yourself, you can look for replacement mobos online. Sometimes these can be reasonably priced or so incredibly expensive that it defies reason why they are even trying to sell them.

Good Luck

Posted on Jul 28, 2010

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Posted on Jan 02, 2017

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