Ubuntu 12.04 doesn't detect hard disk partitions

Posted by m0skit0 on Super User See other posts from Super User or by m0skit0
Published on 2012-07-04T07:40:55Z Indexed on 2012/07/04 9:18 UTC
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ubuntu

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hard-drive

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installation

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uefi

I just installed Ubuntu 12.04 32-bit on an ASUS Laptop and wanted to install it in another one, the ASUS A55V.

After booting the laptop and setting up Windows 7 (I unfortunately cannot wipe out Windows), and creating one extra partition to install Ubuntu there, when I reboot from USB and launch Ubuntu installation, it doesn't recognize any partition on /dev/sda, but shows the whole disk as unpartitioned. I guess this is due to UEFI, but I don't know how I can make Ubuntu see the partitions created by Windows. Or any workaround for this to be able to install Ubuntu on /dev/sda.

Thanks in advance

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