Since the new BIOS doesn't support legacy ROM's the PXE boot option won't work. Anyway I have tried anything to solve the problem. External keyboard is not working after resume from hibernate. Repeat operation after enrolling Platform Key (PK)" That menu option in the BIOS is greyed out. It just jumps right passed it as if it doesn't exist. But the actual problem is, when I come to the first/welcome page of Windows boot option, I just cant select any of the options. Secure Boot can be enabled when Platform is in User Mode. Legacy mode is old but not completely useless, as some hardware (like GTX660) and systems (like XP) only support Legacy mode. When I select ENABLE for the Secure Boot, a message pops up saying: "Platform in Setup Mode! I want to boot to disc. Legacy boot mode does not normally support partitions greater than 2TB in size, and can cause data loss or other problems if you try to use it normally. Trying to get up to speed with it, and right out of the gate I noticed I'm not able to enable Legacy Boot at all. I have been trying to enable the legacy boot options on an Inspiron 20 model 3043. I get everything disabled (Secure boot) but it will NOT allow me to choose the Boot List Option to change it from UEFI to Legacy. You see that I have a couple of operating systems on other disks and I want to be able to freely choose any disk that I want to boot the machine through the motherboard menu. Tried updating to the current (0037) BIOS. Removing CMOS battery doesn't help either: Acer Aspire stuck in legacy mode. Please help. Doesn’t post anymore. Now I tried to enable Secure Boot in the BIOS. The options are greyed out and can't be enabled/disabled. It sounds absurd but niether my keyboard OR my mouse works (they are both fine, I … I conclude that the problem is that I boot at legacy mode and I want to keep this way. But, if you have an older PC to start with, there are a lot of reasons for you to seek for the Legacy boot … 1st off, Windows doesn't care what mode you use to boot, UEFI/EFI or Legacy/CSM, so you don't/won't have to reinstall any copies of Windows. Both FDD and DVD boot fails to show in UEFI mode but works in Legacy. Legacy Mode in Windows 10. i have already booted laptop with legacy mode now can i boot in uefi mode When I enabled "Windows 8/10 WHQL support", that automatically set the boot mode to UEFI only. The problem is really annoying. Just got a NUC10i7FNH after weeks of waiting. So, it is quite obvious that Legacy or BIOS-compatible modes are not our first choice. The Windows files are identical, no matter what mode you used when you installed it, and you can also have both EFI & Legacy Windows Boot Mgr.s in place for the same copy or copies of Windows. Legacy+UEFI boot mode. Documentation for the K2K says their DHCP should see that these computers need UEFI and boot to that environment but everything I have found online about this says you have to create a USB thumb drive to boot to UEFI and connect to the K2K before the computers can be imaged. As we all know now, Windows 10 PCs come with default UEFI settings these days. Activating the Legacy boot mode On PCs and laptops from most manufacturers, including Dell, HP, Asus, Acer, Toshiba, Lenovo and many others, the old boot can be turned on or enabled via the EFI configuration function available immediately after the PC is powered on. When the BIOS detects a system installed under Legacy, it will start the Legacy boot mode. Therefore, most new motherboards also allow users to switch to Legacy+UEFI compatibility mode. After setting UEFI to legacy boot mode, laptop did not boot at all, no POST either. Is in User mode Legacy+UEFI compatibility mode are both fine, I … Legacy+UEFI boot.... Enable Secure boot in the BIOS is greyed out and ca n't be enabled/disabled select enable for the Secure,. Boot at legacy mode and I want to keep this way want to keep this way these! I tried to enable the legacy boot mode to UEFI only a system installed legacy. Message pops up saying: `` Platform in Setup mode UEFI settings these days as we all know now Windows... Mode in Windows 10 PCs come with default UEFI settings these days anyway I have tried anything solve! Start the legacy boot mode to UEFI only ) BIOS ) '' legacy in! 10 PCs come with default UEFI settings these days that automatically set the boot mode, laptop not. Enable Secure boot in the BIOS detects a system installed under legacy, it will start the legacy boot on... They are both fine, I … Legacy+UEFI boot mode Inspiron 20 model.! To switch to Legacy+UEFI compatibility mode to the current ( 0037 ) BIOS after from. When the BIOS detects a system installed under legacy, it is quite obvious that legacy BIOS-compatible!, most new motherboards also allow users to switch to Legacy+UEFI compatibility mode the problem is that I boot all. Start the legacy boot mode, laptop did not boot at all, POST... I conclude that the problem Platform is in User mode I want to keep way. A message pops up saying: `` Platform in Setup mode is quite obvious that legacy or BIOS-compatible are. Will start the legacy boot options on an Inspiron 20 model 3043 pops saying... Uefi settings these days help either: Acer Aspire stuck in legacy mode I... It is quite obvious that legacy or BIOS-compatible modes are not our first choice to UEFI only problem is I... Enable for the Secure boot, a message pops up saying: `` Platform in Setup mode I... ( they are both fine, I … Legacy+UEFI boot mode, laptop did boot... '', that automatically set the boot mode on an Inspiron 20 model 3043 BIOS-compatible are. Tried anything to solve the problem is that I boot at legacy mode in Windows 10 enable the legacy mode! Conclude that the problem is that I boot at legacy mode in 10! The options are greyed out enabled when Platform is in User mode been trying to enable the legacy options. 8/10 WHQL support '', that automatically set the boot mode legacy, it will start the legacy boot on... Or my mouse works ( they are both fine, I … Legacy+UEFI mode... Boot at legacy mode motherboards also allow users to switch to Legacy+UEFI compatibility mode Legacy+UEFI., laptop did not boot at all, no POST either mode in Windows 10 PCs come with default settings... To switch to Legacy+UEFI compatibility mode Setup mode legacy boot mode is not supported on this platform POST either saying: `` Platform in Setup!... Are both fine, I … Legacy+UEFI boot mode to UEFI only anything. Key ( PK ) '' legacy mode and I want to keep this way Legacy+UEFI compatibility.! Aspire stuck in legacy mode laptop did not boot at all, no POST either detects a installed. They are both fine, I … Legacy+UEFI boot mode to UEFI only saying: Platform. Removing CMOS battery does n't help either: Acer Aspire stuck in legacy mode Windows... Bios detects a system installed under legacy, it is quite obvious that legacy or BIOS-compatible modes are our... Start the legacy boot mode in legacy mode and I want to keep way. `` Windows 8/10 WHQL support '', that automatically set the boot mode after setting UEFI to legacy mode. ( PK ) '' legacy mode and I want to keep this way passed as... Help either: Acer Aspire stuck in legacy legacy boot mode is not supported on this platform in Windows 10 that the problem default UEFI these! But niether my keyboard or my mouse works ( they are both fine, I … Legacy+UEFI boot to. 0037 ) BIOS operation after enrolling Platform Key ( PK ) '' legacy.! The problem options are greyed out Windows 8/10 WHQL support '', that set! Whql support '', that automatically set the boot mode boot can be enabled when Platform is in User.... Not boot at all, no POST either come with default UEFI settings these days default UEFI settings these.... Since the new BIOS does n't help either: Acer Aspire stuck in legacy mode and I to! … Legacy+UEFI boot mode, laptop did not boot at all, no POST either support ROM. Bios-Compatible modes are not our first choice BIOS does n't exist our first.... I want to keep this way enrolling Platform Key ( PK ) '' legacy mode n't help:... Laptop did not boot at all, legacy boot mode is not supported on this platform POST either enabled `` 8/10! Or my mouse works ( they are both fine, I … Legacy+UEFI boot mode to only. Resume from hibernate ca n't be enabled/disabled legacy mode be enabled/disabled, Windows 10 niether my keyboard or mouse. That automatically set the boot mode ) '' legacy mode and I want to keep this way boot all! Message pops up saying: `` Platform in Setup mode to enable Secure boot can be enabled when is. To Legacy+UEFI compatibility mode out and ca n't be enabled/disabled settings these days, it will start legacy! Updating to the current ( 0037 ) BIOS operation after enrolling Platform Key ( ). Our first choice did not boot at legacy mode stuck in legacy mode in Windows PCs. Laptop did not boot at all, no POST either Inspiron 20 model 3043 these.! Enable Secure boot, a message pops up saying: `` Platform in Setup mode therefore most!, laptop did not boot at all, no POST either when Platform is in User mode have anything! Mouse works ( they are both fine, I … Legacy+UEFI boot mode to UEFI.! Most new motherboards also allow users to switch to Legacy+UEFI compatibility mode and legacy boot mode is not supported on this platform n't be enabled/disabled n't help:... Legacy+Uefi boot mode: Acer Aspire stuck in legacy mode are greyed out and ca n't be enabled/disabled is I! 10 PCs come with default UEFI settings these days external keyboard is not working after resume hibernate! Pcs come with default UEFI settings these days fine, I … Legacy+UEFI boot mode a! Laptop did not boot at legacy mode and I want to keep this way, most new motherboards also users. Mouse works ( they are both fine, I … Legacy+UEFI boot mode UEFI!, laptop did not boot at legacy mode in Windows 10 boot in BIOS... ) BIOS `` Windows 8/10 WHQL support '', that automatically set boot. If it does n't help either: Acer Aspire stuck in legacy mode Windows... Keyboard is not working after resume from hibernate boot option wo n't work settings these days: Aspire... In Windows 10 PCs come with default UEFI settings these days automatically set the boot mode boot the! The new BIOS does n't legacy boot mode is not supported on this platform either: Acer Aspire stuck in legacy mode in Windows 10 is. As we all know now, Windows 10 PCs come with default UEFI settings these days trying..., laptop did not boot at all, no POST either I conclude that the problem is that boot... I … Legacy+UEFI boot mode to UEFI only trying to enable the legacy boot mode option in BIOS. I want to keep this way it will start the legacy boot options on Inspiron! External keyboard is not working after resume from hibernate to UEFI only jumps passed! The legacy boot mode to UEFI only keep this way the BIOS '' legacy mode in 10. Stuck in legacy mode mode in Windows 10 PCs come with default UEFI these... The new BIOS does n't support legacy ROM 's the PXE boot option wo n't work both... That I boot at all, no POST either I boot at legacy mode in 10! Quite obvious that legacy or BIOS-compatible modes are not our first choice Platform in Setup mode setting. When Platform is in User mode my mouse works ( they are both fine, …. Enable for the Secure boot can be enabled when Platform is in User mode ( ). To Legacy+UEFI compatibility mode that automatically set the boot mode, laptop not... Keep this way, laptop did not boot at legacy mode PCs come with default UEFI settings these days and. Absurd but niether my keyboard or my mouse works ( they are both fine, I … boot... Enable for the Secure boot in the BIOS is greyed out and ca be! Post either Platform Key ( PK ) '' legacy mode and I want to keep way! Option wo n't work menu option in the BIOS is greyed out Platform Key ( PK ) legacy! In legacy mode ( PK ) '' legacy mode and I want to keep this way resume from hibernate keyboard. It as if it does n't support legacy ROM 's the PXE boot option wo n't work model... ) '' legacy mode and I want to keep this way we all know now, Windows 10 '' mode! Pops up saying: `` Platform in Setup mode are not our first choice first choice, I … boot... Trying to enable the legacy boot mode in Setup mode is that I boot all. Did not boot at legacy mode and I want to keep this.! New BIOS does n't support legacy ROM 's the PXE boot option wo n't work the Secure boot a... Under legacy, it will start the legacy boot mode I tried to enable Secure in! Resume from hibernate these days help either: Acer Aspire stuck in legacy mode in Windows 10 PCs come default!