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Microsoft Windows 7 (64-bit)

Hi!

I have a lap HP Probook 4540s not used for 4-5 years. When power on it’s working perfect. But, o forget tha password and I have conboot usb to crack it.

The problem is the keyboard not working to enter bios to boot from usb. Then I try external one. It’s wotking after windows loaded. When power on external keyboard is not working to enter bios set up or boot from other media.

Replay Plz.

 

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