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I have a laptop with an Aptio BIOS and OEM Windows 8. My hard disk drive is defect, but the warranty has expired. So I bought a new hard disk drive, built it in and now I'm trying to install Windows 8 from an original Windows 8 setup disc. Every time I start the laptop, the BIOS setup comes up. Now I achieved the boot menu, but the only boot option is:

UEFI: IP4 Realtek Ethernet Controller

How can I boot from the setup disc?

After activating the Compatibility Support Module (CSM), the setup still comes up, and I'm still unable to boot from the CD.

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See if there's an option to turn off secure boot. If that doesn't help, see if you can enable the "legacy BIOS" or "Compatibility Support Module (CSM)". –  Karan Mar 7 '13 at 1:49
    
after activating csm the setup still comes up –  Paedow Mar 9 '13 at 16:15

3 Answers 3

up vote 1 down vote accepted

After doing some research and trying to figure this out, I found an article online that mentioned holding ESC while using the power button to turn on the computer. After further testing I figured out that I needed to have the Secure Boot option in the BIOS disabled or else I got a security error when I tried to boot to the USB device. I changed this by going to the Security menu and disabling the "Secure Boot Control" option.

I also had a setting called "Launch CSM" under the boot menu which I had to enable (did not enable "Launch PXE OpROM"). With the secure boot option disabled and launch CSM enabled, I was able to hold ESC while powering on the laptop and boot into my USB device. Doing this gave me a menu at boot up where I could choose what to boot into. I chose the option: "UEFI: General USB Flash Disk 1.0" (I had created Macrium Reflect rescue media and during the setup checked the box "Enable multiboot MBR/UEFI USB support", so I am not sure if you would still want to choose this otherwise).

I was working on an ASUS laptop (SonicMaster I think) using the Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc. If you are using a different BIOS the steps for this may not be the same, but hopefully there is enough information here for you to make this work on your computer.

I also noticed that after getting this to work using the above method, I got some extra options in the BIOS that were previously not there. This included extra boot options (boot menu) and extra boot override options (save & exit) menu. The new boot override option "UEFI: General USB Flash Disk 1.0" worked great after the steps above.

Before I had found this option, I had also seen online where people had mentioned holding Shift while clicking the restart button under Windows 8 to get a menu option to boot to a device. [https://askleo.com/how_do_i_boot_from_cddvdusb_in_windows_8/]. This didn't work for me, but you may want to try this first to see if it works for you.

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Just got a "new" Notebook (selled here in Austria by "Hofer") and came to know that the BIOS changed and is different from previous ones: less possibilities to change and in the boot order option also only UEFI: IP4 Realtek UEFI: IP6 Realtek to choose from.

In the same menu the is a select box: "boot from windows8" which is activated

after chanaging this selection to "other system" and saving/reboot I was able to get into the F7 select boot device (F7 or F9 what ever suites your notebook) and start from DVD or harddisk. Selecting harddisk to boot from I was astonished: no windows 8 coming up so I had to go back to BIOS again and change back to "Boot from windows8"

Hope it helps, Fritz

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You should disable "fastboot mode" and restart before being able to see "Boot device priority"/"Boot override" : you should then see boot priority options

If you find other problems booting try setting "secure boot mode" to CMS

source : http://www.ockwebs.com/2012/08/aptio-bios-usb-boot/

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