1
vote
1answer
33 views

Can't install Windows on GPT device

I have a bit of a conundrum here. My windows installation doesn't boot with EFI, so the only way to boot from it is to turn off efi boot on my BIOS settings. Then I can boot into the disk, but my ...
13
votes
1answer
2k views

What hardware device used to eat up 1.4GB of my 4GB RAM, and now suddenly after no hardware changes eats up 2.2GB?

This is more or less a continuation of What hardware device eats up 1.4GB of my 4GB RAM? While I have more or less accepted the solution there that for some mysterious reason, after a BIOS upgrade ...
2
votes
2answers
597 views

Windows 7 GPT to MBR? EFI to BIOS

I want to convert my existing GPT partition table to a MBR one. UEFI is giving me too many headaches with Linux. Actually, I'm just interested in my Windows partition. All the articles on the ...
0
votes
1answer
248 views

change Windows8 from legacy to EFI

I have just recently installed windows 8 on my Laptop, and will soon be re-installing Linux alongside. My laptop was running legacy boot-loaders, but supports EFI. I want Windows 8 to use an EFI ...
1
vote
0answers
1k views

No EFI boot possible with Clover EFI

So I have this Vaio Duo 11 sitting next to me, and it works very nice. But to have some sort of bootloader which also is compatible with Hackintosh, I wanted to install Clover. I used my MacBook Air ...
1
vote
1answer
813 views

What is the EFI shell?

My BIOS offers me the option to launch an EFI shell, but I have no idea what that is. Does it allow me to turn on CPU flags like VT-x or something similar? Why would I want to use it?
-1
votes
1answer
384 views

Can't access UEFI after switching from BIOS on Windows 8

I'm currently using an unmodified ASUS K52J laptop running Windows 8 and trying to develop for Windows Phone 8. In order to meet the specifications necessary to successfully run the phone emulator ...
1
vote
1answer
847 views

secondary SATA drive in SATA1 vs SATA3 - EFI booting and BIOS problems

I just got a new PC (HP P7-1380T) with Windows 7 preinstalled. The machine is set up for EFI booting without 'secure boot'. I had planned to install my old SATA drive (dual-boot XP and Linux with ...
0
votes
3answers
767 views

Boot of Windows 7 from GPT disk on non EFI motherboard [duplicate]

Looks like the answer is no but just to double check... Can I boot Windows 7 SP1 x64 from GPT disk (converted with Windows DISKPART) if my system built on BIOS (non EFI motherboard, ASUS P5WDH ...
1
vote
1answer
8k views

How to disable efi on ASUS zenbook

I have just purchased an ASUS UX31A-DH51 Zenbook with Windows 8 preinstalled and I want to remove it and install Windows 7. However I can't load Windows 7, it hangs at the beginning of the install ...
3
votes
1answer
6k views

How to install Windows with no CD drive boot option in BIOS?

I have a new computer which I built from scratch and I am trying to install a copy of Windows Vista on it. I am able to get to the BIOS and change the boot options which are as follows.. -Built-in ...
1
vote
1answer
813 views

Can I “dual boot” grub-efi and grub-pc?

I am currently running Ubuntu with grub-efi and rEFIt on a Macbook (8,3). I'd like to have the option to boot Ubuntu in BIOS emulation mode as well. Is this possible? I guess I need grub-pc to write ...
3
votes
1answer
1k views

2.1TB limit on BIOS?

While checking out this 3TB 7200RPM drive as a candidate for my hardware RAID array, I saw the product video and at about 1:40 into the video, the guy says that BIOS can't handle more than 2.1TB of ...
11
votes
5answers
26k views

How to know if my BIOS supports UEFI?

I recently bought a new Dell notebook for my girlfriend and I want to know if the computer comes with a UEFI BIOS, unfortunately I didnt find any information in the manual or on Windows, is there some ...
3
votes
3answers
760 views

Can BIOS be eventually upgraded to EFI?

I have an Intel PM55 chipset in my notebook. Reportedly Windows 8 (aka Windows Next) will not support BIOS-based systems. Is my motherboard forward-compatible to house an EFI firmware?