Having problems with your Dell Vostro 1500 Notebook ?

LCD backlight going off after some minutes

\015 It happens when using power supply or battery. No matter what kind of OS (Windows, Linux live CD, or recovery software like True Image)Closing and reopening the laptop dsplay, will cure it for a couple of minutes. The display is still on, but nearly black, so it must be something\015\012about the backlight, i guess. No problems at all when using an external\015\012monitor.It only occurs, when the display is set to highest brightness. If i dim the display, i can can work for hours, without any problems.Thanx in advance :-)\015

Answers :

Hi,
It sounds very much like the problem is the inverter cable or the inverter itself.
Remove the screen bezel (plastic screen surround), this will\015\012reveal the whole screen. At the bottom of the screen you will see an\015\012elongated piece of circuit board with wires coming from either end\015\012covered by frosted plastic.
That is the inverter, check the connections on the inverter and power the laptop up to check the display, to remove it\015\012gently pull the plugs from each end and remove the screw from the\015\012middle and pull the board away and replace it.
If you have not got a\015\012replacement yet look at the inverter for a copper coil, if you\015\012re-solder the solder points around the coil you may find it works again\015\012as components that suffer from extreme heat the solder joints dry\015\012causing bad connections, re-floating the solder solves the problem in\015\01290% of cases.


Good luck.
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