Ubuntu Boot Manager Partition entry overwritten after Windows 8.1 patch update

I recently applied the latest Windows 8.1 patches. To my dismay, I found that the core Ubuntu 14.04 entries at boot time were missing and by default, the laptop always booted into Windows 8.1.

This meant that my Ubuntu EFI boot partition had been corrupted or taken over by Windows 8.1 patches that probably updated . . . → Read More: Ubuntu Boot Manager Partition entry overwritten after Windows 8.1 patch update

View EFI boot manager entries in Ubuntu

If you need to view the boot manager entries in Linux, open a terminal window and enter the command as below. $ sudo efibootmgr -v <enter>

Above command lists out all the boot partitions for EFI.

Install Windows 8.1 Preview in VirtualBox

Windows 8.1 Preview cannot be installed and run directly in VirtualBox. It displays the following error message (some text like this):

Error Code: 0x000000C4 Parameters: 0x0000000000000091 0x000000000000000F 0xFFFFF80238F5BA80 0x0000000000000000

After you have downloaded Windows 8.1 Preview from the Microsoft Website, set up a new Virtual Machine in VirtualBox. In my case, I named the machine . . . → Read More: Install Windows 8.1 Preview in VirtualBox

Beware of switching partitions in Windows 8

One of my friend’s just bought a Windows 8 laptop. However, when it was being setup for him at the store, he told the rep that he wanted Windows on C: and data on D:. On Lenovo laptops, the D: is used to store the default system recovery image and that too with hidden files. . . . → Read More: Beware of switching partitions in Windows 8

Install Fedora 18 on Lenovo Ideapad Z580 laptop

Finally, installed Fedora 18 64 bit on the Lenovo Ideapad Z580 laptop and it works almost perfect. Basically, Fedora 18 support UEFI (Unified Extensible Firmware Interface). I tried Ubuntu 12.04.2 LTS as suggested on several blog posts first. Did a successful installation, but there were random, unpredictable hangs when booting. All of them listed USB . . . → Read More: Install Fedora 18 on Lenovo Ideapad Z580 laptop

Create system repair disk for Windows 8

To do this, start the Control Panel -> System and Security -> Save backup copies of your files with File History -> Windows 7 File Recovery -> Create a system repair disk. It worked out to about 490 mb for me and I used a CD ROM to store it. You can use this CD . . . → Read More: Create system repair disk for Windows 8

How to take a Windows 8 File Recovery backup

Windows never ceases to amuse users. There is a method to backup system settings, but there is also a hidden method to take a System image backup. To do this, start the Control Panel -> System and Security -> Save backup copies of your files with File History -> Windows 7 File Recovery -> Create . . . → Read More: How to take a Windows 8 File Recovery backup

How to reduce partition size of Windows 8 OEM default installation

When you resize the disk in the Disk Management option of Windows 8, it does not return you back more than about 49-60% of the space it actually uses. This is because, there are swap files, hibernation files and others stored elsewhere on the Windows 8 OS partition.

To actually reduce the size to more . . . → Read More: How to reduce partition size of Windows 8 OEM default installation

March 2019
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