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ZrByte · 16-08-2009, 17:20

Sounds like a broken inverter to me. Thats the data and in some cases power cable from the graphics card to the screen by the way.
If the screen wasn't lighting up I would normally assume its the screen itself or at least the back light but since you are getting the light it must either be the Inverter or the LCD itself. Your only real problem now is that you won't know whether its the LCD or the Inverter until you try to replace one or the other. The Inverter should be £10 - £45, LCD will be about £130 - £180 so I know which I would try first.

And since you are getting picture on an external display I wouldn't think the graphics card is the culprit at all unless its the inverter socket on the card itself that is the problem (very unlikely).

16-08-2009, 17:20	#4
ZrByte Inactive Join Date: Jun 2003 Location: Wirral / Ex CWC Area Age: 42 Posts: 3,251	Re: HP Laptop no display Sounds like a broken inverter to me. Thats the data and in some cases power cable from the graphics card to the screen by the way. If the screen wasn't lighting up I would normally assume its the screen itself or at least the back light but since you are getting the light it must either be the Inverter or the LCD itself. Your only real problem now is that you won't know whether its the LCD or the Inverter until you try to replace one or the other. The Inverter should be £10 - £45, LCD will be about £130 - £180 so I know which I would try first. And since you are getting picture on an external display I wouldn't think the graphics card is the culprit at all unless its the inverter socket on the card itself that is the problem (very unlikely).