Question about Microsoft Windows 8.1 - Windows

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Can i run Windows 8.1 Pro even I cannot use secure boot?

I recently used the Windows upgrade assistant and it says that i cannot used the feature of secure boot. I can still use windows 8.1?

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Yes, Please refer to this article from Microsoft:
https://technet.microsoft.com/en-us/windows/dn168167.aspx

Posted on Apr 09, 2015

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Laptop is turned on and screen displays message "selected boot image did not authenticate. Press enter to continue. when you press enter it shuts the laptop off.


I am assuming you are installing Windows 8 as this message is related to Secure boot on Windows 8.

Secure Boot needs a System with UEFI supported BIOS and Secure Boot Enabled in the bios. Secure boot requires drivers to be signed and certified to run with Windows 8. Some of your hardware may not be supported because of this, and thus Windows will not boot, and shut down to prevent damage. See this Microsoft link for more details:
Secure Boot Overview

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Wht is the system requirement for windows 8.1m


Windows 8.1 If you want to run Windows 8.1 on your PC, here's what it takes:
  • Processor: 1 gigahertz (GHz) or faster with support for PAE, NX, and SSE2 (more info)
  • RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)
  • Hard disk space: 16 GB (32-bit) or 20 GB (64-bit)
  • Graphics card: Microsoft DirectX 9 graphics device with WDDM driver
If you're running Windows 8 you can get a free update to Windows 8.1. Just tap or click the Windows Store tile on your Start screen. Once you've moved up to Windows 8.1 you should get the update automatically. If you don't, follow these steps to get it manually using Windows Update.
Additional requirements to use certain features:
  • To use touch, you need a tablet or a monitor that supports multitouch (more info)
  • To access the Windows Store and to download, run, and snap apps, you need an active Internet connection and a screen resolution of at least 1024 x 768
  • Microsoft account required for some features
  • Internet access (ISP fees might apply)
  • Secure boot requires firmware that supports UEFI v2.3.1 Errata B and has the Microsoft Windows Certification Authority in the UEFI signature database
  • Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance
  • Watching DVDs requires separate playback software (more info)
  • Windows Media Center license sold separately (more info)
  • BitLocker To Go requires a USB flash drive (Windows 8.1 Pro only)
  • BitLocker requires either Trusted Platform Module (TPM) 1.2 or a USB flash drive (Windows 8.1 Pro only)
  • Client Hyper-V requires a 64-bit system with second level address translation (SLAT) capabilities and additional 2 GB of RAM (Windows 8.1 Pro only)
  • A TV tuner is required to play and record live TV in Windows Media Center (Windows 8.1 Pro Pack and Windows 8.1 Media Center Pack only)
  • Miracast requires a display adapter which supports Windows Display Driver Model (WDDM) 1.3, and a Wi-Fi adapter that supports Wi-Fi Direct
  • Wi-Fi Direct Printing requires a Wi-Fi adapter that supports Wi-Fi Direct and a device that supports Wi-Fi Direct Printing
  • Free internet TV content varies by geography, some content might require additional fees (Windows 8.1 Pro Pack and Windows 8.1 Media Center Pack only)
  • To install a 64-bit OS on a 64-bit PC, your processor needs to support CMPXCHG16b, PrefetchW, and LAHF/SAHF
  • InstantGo works only with computers designed for Connected Standby
If your PC is currently running Windows 7 or Windows 8 you can check to see if it meets the requirements by running the Upgrade Assistant. We also recommend that you visit your PC manufacturer's website for info about updated drivers and hardware compatibility.

Jan 27, 2015 | Computers & Internet

1 Answer

Can I install windows 8.1 on my existing desktop now running windows xp


You can check to see if your hardware is capable of running Windows 8 by downloading the Windows 8 Upgrade Assistant. You need to be running XP Service Pack 3 for this to work. Click the link below to download the assistant:

http://go.microsoft.com/fwlink/p/?LinkId=321548

Jun 22, 2014 | Microsoft XP Computers & Internet

1 Answer

Can I upgrade desktop PC with Intel Desktop Board DH57JG to windows 8 32 bit


You need to run a program that checks your computer.
Windows 8 Upgrade Assistant
To check if your computer can run Windows 8 go to this WEB site and download and install Windows 8 Upgrade Assistant.
http://windows.microsoft.com/en-US/windows-8/upgrade-to-windows-8

Apr 22, 2013 | Computers & Internet

1 Answer

Laptop became slower


Did you run a check to see if your laptop is suitable to run Windows 8?
Windows 8 Upgrade Assistant
To check if your computer can run Windows 8 go to this WEB site and download and install Windows 8 Upgrade Assistant.
http://windows.microsoft.com/en-US/windows-8/upgrade-to-windows-8

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Did mainboard P5PEVM can run Windows 8 Pro?


Windows 8 Upgrade Assistant
To check if your computer can run Windows 8 go to this WEB site and download and install Windows 8 Upgrade Assistant.
http://windows.microsoft.com/en-US/windows-8/upgrade-to-windows-8

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Aspire 5532 won't load windows 8


Hello you can test here:

http://windows.microsoft.com/en-US/windows-8/upgrade-to-windows-8

If the pc is compatible to run windows 8.

If it fails, the pc is not capeable to run windows 8.

Here is no drivers for windows 8, at the support site:

http://support.acer.com/us/en/product/default.aspx?tab=1&modelId=1290

The solution is to continue useing windows 7, or buy a new pc with windows 8 installed.

Good luck

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NEC laptop will not boot from disk or USB


just make sure ISO files or DVD you are using to boot with are actually bootable disc for OS ,as for USB booting ,you will need to turn on usb boot on the bios and software needs to be USB software.
and I am not talking about boot order that you have already selected.
check windows 8 software on anther machine and see if you can boot with it

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1 Answer

How install windows8 in Acer Aspire 5736z Laptop


You to purchase Windows 8 but before you do this you should check if this model laptop is suitable to run Windows 8.
Windows 8 Upgrade Assistant
To check if your computer can run Windows 8 go to this WEB site and download and install Windows 8 Upgrade Assistant.
http://windows.microsoft.com/en-US/windows-8/upgrade-to-windows-8

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