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10-30-2010 01:05 PM
I updated the the BIOS on my HP Pavilion Elite m9152p Desktop PC. The issue I have is that there is no keyboard function until the computer passes the OS selection screen. You have to wait for the 30 sec time-out for the Windows Splash screen to launch. No other issue after that.
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10-31-2010 12:04 AM
Boot into the BIOS and enable USB Legacy Support. I'm not sure where that option would be located in your BIOS but just tinker around a bit and after enabling that you should have your keyboard functionality back even in the Windows Splash Screen.
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10-31-2010 09:19 AM
Pressing F10 to attempt to enter Setup at the Splash Screen is non-responsive. I believe that generic keyboard drivers are not being loaded as they should be during the boot process. Keyboard/mouse driver are not being loaded until Windows boots.
11-02-2010 06:01 AM
It is still my advice to use a PS/2 keyboard to enter the BIOS and change the setting to allow the USB keyboard to function. The response that it worked before only supports that. Installing the BIOS update probably reset that function to recognize the USB keyboard at BIOS splash screen.
See the post by Djmhx, above to put it back.
11-02-2010 01:27 PM
I plugged my keyboard into the PS/2 port using a USB to PS/2 adapter, rebooted the computer and am receiving the same result. Even after the OS loads the standard PS/2 ports on the computer are non-responsive. I again assert that keyboard drivers are not being loaded with this BIOS Update.
11-02-2010 04:04 PM - edited 11-02-2010 04:12 PM
Try clearing the CMOS. Disconnect all the USB devices other than the keyboard and mouse.
I have the same mobo in one of my PCs (m9200t) and I am running the 5.43 bios.
Does the light on the keyboard flash about the time the HP blue scrren shows up?
Did you change any of the hardware in your PC?
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Custom i7-3770k, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT
11-03-2010 09:02 AM
I reconnected my USB keyboard into a USB port on the computer as apposed to the USB hub and the issue appears to be resolved. I am able to enter Setup with F10 at the OS Splash Screen and can select the OS on the second screen.