bunkmaster Posted February 9, 2014 Share Posted February 9, 2014 Hi,I have y510p with sli, recently I had to install ubuntu and for that had to disable secure boot. After the installation, I have tried several times to enable Secure boot in uefi utility but the status still shows as "secure boot disabled".Please can someone tell me why is this happening? Quote Link to comment Share on other sites More sharing options...
xizorkun Posted February 13, 2014 Share Posted February 13, 2014 Hello, this is because secure boot only works with operating system that have a signed boot key. Some versions Ubuntu have this, and some don't. The ones that do are just a recommended key and may not boot on all systems. So to start most Linux distros, secure boot needs to be off. Quote Link to comment Share on other sites More sharing options...
hugepants Posted February 13, 2014 Share Posted February 13, 2014 It's not a big concern to have secure boot disabled, especially with Linux, because malware and other nasties are far less prevalent. Quote Link to comment Share on other sites More sharing options...
CoopJackersmith Posted July 26, 2015 Share Posted July 26, 2015 Hi,I have y510p with sli, recently I had to install ubuntu and for that had to disable secure boot. After the installation, I have tried several times to enable Secure boot in uefi utility but the status still shows as "secure boot disabled".Please can someone tell me why is this happening?Hello, I have a y510p laptop also. You don't have to disable secure boot to dual boot windows and ubuntu. But it will only work if you use UEFI mode. if you have legacy bios mode enabled you can't use secure boot. Can you confirm you dont' have Legacy mode enabled?I'm running Linux Mint which is almost the same as Ubuntu. I believe both distributions use the same signed keys.. Quote Link to comment Share on other sites More sharing options...
CoopJackersmith Posted July 26, 2015 Share Posted July 26, 2015 Hello, this is because secure boot only works with operating system that have a signed boot key. Some versions Ubuntu have this, and some don't. The ones that do are just a recommended key and may not boot on all systems. So to start most Linux distros, secure boot needs to be off.So it might not work on ALL PCs, but it does work on the Lenovo y510p. OP's machine.How to Boot and Install Linux on a UEFI PC With Secure BootFTA: Modern versions of Ubuntu — starting with Ubuntu 12.04.2 LTS and 12.10 — will boot and install normally on most PCs with Secure Boot enabled. This is because Ubuntu’s first-stage EFI boot loader is signed by Microsoft. However, a Ubuntu developer notes that Ubuntu’s boot loader isn’t signed with a key that’s required by Microsoft’s certification process, but simply a key Microsoft says is “recommended.” This means that Ubuntu may not boot on all UEFI PCs. Users may have to disable Secure Boot to to use Ubuntu on some PCs. Quote Link to comment Share on other sites More sharing options...
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