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Windows 7: i see just a black screen after samsung boot logo

27 Feb 2013   #11
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by theog View Post
To Downgrade to Windows 7.

Downgrade Windows 8 to Windows 7

Warning you must have the uEFI/BIOS firmware setting in Step Three set.

Quote   Quote: Originally Posted by theog
3) Reset BIOS to default, and reboot to BIOS make sure Secure Boot is disabled.
[B]NOTE: Check your manufacturer's uEFI/BIOS firmware manual for settings.
Make sure CSM is ENABLED, & set to UEFI boot.
Technical Note: UEFI BIOS vs. Legacy BIOS - YouTube

Also enable Boot Menu.



Windows 8 - Access to Uefi Firmware Settings - From Change PC Settings - YouTube

Windows 8 - Access to Uefi Firmware Settings - Option - YouTube


My System SpecsSystem Spec
.
27 Feb 2013   #12
rwds

Windows 7 Ultimate x64
 
 

boot priority - https://dl.dropbox.com/u/32077329/sa...227_144114.jpg
boot menu - https://dl.dropbox.com/u/32077329/sa...227_144130.jpg
sysinfo - https://dl.dropbox.com/u/32077329/sa...227_144147.jpg
advanced tab - https://dl.dropbox.com/u/32077329/sa...227_144152.jpg

Even when i proceed to boot menu, i cannot see UEFI option, like example here http://www.eightforums.com/attachmen...ade-006-sb.png , all i see is only cdvd and sata hdd, but not any UEFI option
My System SpecsSystem Spec
27 Feb 2013   #13
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by rwds View Post
boot priority - https://dl.dropbox.com/u/32077329/sa...227_144114.jpg
boot menu - https://dl.dropbox.com/u/32077329/sa...227_144130.jpg
sysinfo - https://dl.dropbox.com/u/32077329/sa...227_144147.jpg
advanced tab - https://dl.dropbox.com/u/32077329/sa...227_144152.jpg

Even when i proceed to boot menu, i cannot see UEFI option, like example here http://www.eightforums.com/attachmen...ade-006-sb.png , all i see is only cdvd and sata hdd, but not any UEFI option
Looks fine to me, although I'm not a BIOS expert! Enter bios.... wait a few seconds ... exit bios without saving. Does boot fine?
My System SpecsSystem Spec
.

27 Feb 2013   #14
rwds

Windows 7 Ultimate x64
 
 

nope, same black screen
My System SpecsSystem Spec
27 Feb 2013   #15
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Enabling the boot device menu

Quote   Quote: Originally Posted by Acer
On most Acer systems, you can use the F12 key on boot to select the drive or network from which loading the operating system. In case the F12 option does not work, you may need to enable this function.

SOLUTION

Enabling the F12 function:

1.Power on the system. As soon as the first logo screen appears, immediately press the F2 key, or the DEL key if you have a desktop, to enter the BIOS.
2.Press the right arrow key to select Main.
3.Use the arrow keys to navigate to F12 Boot Menu, and press ENTER.
4.Select Enabled, and press ENTER.
5.Press the F10 key to save changes and restart the system.

How to Enable or Disable Secure Boot

Quote   Quote: Originally Posted by Acer
This article only applies to: Windows 8 Desktops

Bootable media from previous versions of Windows may not be recognized in Windows 8. You can change the Secure Boot setting and it should recognize the bootable device.

Use the following steps to change Secure Boot:

1.Completely shut down your computer.
2.Power on the system. As soon as the first logo screen appears, immediately press Delete to enter the BIOS.
3.Use the right arrow key to select Authentication.
4.With Secure Boot highlighted, press Enter and then the down arrow to select Disabled.
5.Use the right arrow key to select Boot Options.
6.With Launch CSM highlighted, press Enter and use the down arrow to select Always.
7.Press Enter.
8.Press the F10 key to save changes and restart the system
My System SpecsSystem Spec
27 Feb 2013   #16
rwds

Windows 7 Ultimate x64
 
 

theog hello one again, but this applies for acer, i have got samsung NB here (aptio setup utility, american megatrends)
My System SpecsSystem Spec
27 Feb 2013   #17
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Samsung UEFI/BIOS firmware has bug, If the Acer way does not work, try DISABLING UEFI & ENABLING Legacy BIOS in CSM.

Some OEM manufacturers are locking end-users out of the options in uEFI/BIOS firmware on consumer PC’s, on business PC’s there not.

Windows Hardware Certification Requirements for Client and Server Systems


Quote   Quote: Originally Posted by Microsoft
Mandatory. On non-ARM systems, the platform MUST implement the ability for a physically present user to select between two Secure Boot modes in firmware setup: "Custom" and "Standard". Custom Mode allows for more flexibility as specified in the following:

It shall be possible for a physically present user to use the Custom Mode firmware setup option to modify the contents of the Secure Boot signature databases and the PK. This may be implemented by simply providing the option to clear all Secure Boot databases (PK, KEK, db, dbx), which puts the system into setup mode.

If the user ends up deleting the PK then, upon exiting the Custom Mode firmware setup, the system is operating in Setup Mode with SecureBoot turned off.

The firmware setup shall indicate if Secure Boot is turned on, and if it is operated in Standard or Custom Mode. The firmware setup must provide an option to return from Custom to Standard Mode which restores the factory defaults. On an ARM system, it is forbidden to enable Custom Mode. Only Standard Mode may be enabled.
My System SpecsSystem Spec
27 Feb 2013   #18
rwds

Windows 7 Ultimate x64
 
 

I will try once more, but i think thats tomorrow this samsung goes to nearest authorised servise.

Success, it boots now with Windows W7. Thanks a lot to all of you!
My System SpecsSystem Spec
27 Feb 2013   #19
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

You are welcome, well done.
My System SpecsSystem Spec
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 i see just a black screen after samsung boot logo




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