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My laptop's display does not work. I am currently using an external LCD screen. So when I power up my laptop I can't see anything. Only after the windows logon screen is displayed, the screen shows up on the Monitor.

I need to re-install Windows. How do I go about it?

PS: My laptop is a HP-dv6

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3  
Have you actually tried reinstalling yet using the LCD screen? – Simon Sheehan May 8 '12 at 0:26
    
No. I haven't. It is my calculated guess that the LCD wouldn't be detected. Because the first time I used the LCD, I had to manually select the option to use the LCD – Lelouch Lamperouge May 8 '12 at 1:05
3  
By default the display should be mirrored. Try it. – Simon Sheehan May 8 '12 at 1:32
    
Try pressing [F10] at boot up for BIOS settings. – iglvzx May 8 '12 at 8:55
    
Without being able to see the BIOS screens, I would not try reinstalling. – fstx May 8 '12 at 9:00

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