Dim Display

[Bugsters]

I have just purchased a second hand R40 and it was working fine the first time I turned it on. I did not have a power supply initially, so I ran it on a Targus 12v converter off a car battery (has worked on other IBM thinkpads in the past). Again, it ran fine. When I returned to the laptop some hours later, the display was so dim, that I could hardly see the display without straining my eyes.

I checked the display by plugging in an external monitor and the picture on it was perfect, but the laptop display was still very dim. I feel that the display has been damaged, but I am not sure.

If it is a faulty display, does anybody know what component it might be and how much they cost to purchase?

[K. Eng]

It sounds to me like the backlight burned out. Call IBM and see if the machine is still covered under warranty. They can also tell you the part # you need (or you can search google for compatible part #'s).