Windows 8 and 8.1 Forums


Win8 Prevents BIOS Access

  1. #1

    Win8 Prevents BIOS Access


    I recently upgraded from “Windows 7 Home Premium 64-bit (OEM)” to“Windows 8 Pro 64-bit”, using the “Keep Windows settings, personal files, and apps” option. All except one of my programs work in Win8, and my Win8 desktop is unchanged (except for the Win8 Start Screen replacement for the Win7 Start Button). I am using a 2-year old desktop PC withhardware described at the bottom of this post.

    Since I upgraded to Win8, I cannot access my BIOS settings!! The information that previously displayed during computer Startup no longer appears (so I do not know exactly when to press the [Delete] key for access to my BIOS Settings)! I have tried the following procedures, but none of these attempts would give me access to my BIOS Settings, or display any information during Startup:
    · I pressed the [Delete] key repeatedly after the computer beeped once.
    · I held down the [Delete] key immediately after starting my computer.
    · I held down the [Delete] key before and during startup of my computer.
    · I disconnected the power and data cables from my SSD system drive (to hopefully remove any influence from Win8), and started my computer.
    · From the Win8 Start Screen, I selected “CharmBar > Settings > Change PC Settings > General > Restart now”.

    My questions:
    1. Howcan I fix this so that I have access to my BIOS Settings?
    2. CanI replace my traditional BIOS with UEFI on my existing motherboard?
    3. Should I replace my motherboard with a newer one that includes UEFI?
    4. Should I just accept that I can never access my BIOS Settings, or never change my bootdevice priority?
    5. Why do Microsoft and/or Forum Members not warn of the Win8 problems with computers without UEFI? Please see below for some of my other disappointments with the Win8 upgrade on a traditional BIOS system.

    My computer Startup is much slower with Win8; i.e. more than 40seconds!
    Win 8 will not let me perform a System Image restore.
    USB 3.0 is not working with Win8’s native drivers. Backups to my USB3.0 HDDs are very much slower with Win8.
    ----------------------------------------------
    My system = Self-built in November 2010 with an Intel Core i7-950 processor; -- ASUS P6X58D-E motherboard; --6GB of DDR3 1333 RAM; -- ASUS ENGT450 GPU; -- ASUS 12X BD-ROM ODD; -- Samsung 128GB SSD Series 470 system drive; -- 3TB and 2TB HDDs for data; -- Corsair CMPSU-850HX 850W PSU; -- and dual 24” monitors.

      My System SpecsSystem Spec

  2. #2


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP


    Quote Originally Posted by pauldknight View Post

    My questions:
    1. Howcan I fix this so that I have access to my BIOS Settings?
    2. CanI replace my traditional BIOS with UEFI on my existing motherboard?
    3. Should I replace my motherboard with a newer one that includes UEFI?
    4. Should I just accept that I can never access my BIOS Settings, or never change my bootdevice priority?
    5. Why do Microsoft and/or Forum Members not warn of the Win8 problems with computers without UEFI? Please see below for some of my other disappointments with the Win8 upgrade on a traditional BIOS system.
    Try turning fast startup off.
      My System SpecsSystem Spec

  3. #3


    Posts : 151
    Win8 Pro


    Charms Bar > Settings > Change PC Settings > General (on left side) > scroll down to last option 'Advanced Startup' > 'Restart Now' button > Troubleshoot > Advanced Options > from here you should see either 'UEFI Firmware Settings' or 'BIOS Firmware settings' or something similar >

    Win8 will then automatically reboot directly into your BIOS/UEFI setup

    hope this helps
    Jason
      My System SpecsSystem Spec

  4. #4


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    You have quite a nice system compared to a lot of people in this forum. You don't need to change anything, your system is quite new. Having said that, don't you think people in this Forum won't be screaming if Windows 8 won't allow them to access the BIOS in their PC's ? Windows 8 does not even start after your BIOS finish posting. So the problem may be with your keyboard, maybe the DELETE key on your keyboard is bad, so I would suggest to swap the keyboard, preferably with a PS2 and the reason I said that because last month, a friend of mine brought his PC with an ASUS MB over my house to help him installing Windows 8 and I used my USB keyboard and guess what ? I could not get into the BIOS. We finally use an old PS2 and everything worked.

    Since you upgraded Windows 8 from Windows 7, God knows what's happening !!! Microsoft states that you can upgrade from Windows 7 but provided your Windows 7 is completely clean and all drivers are up to date in the first place. It's always advisable to backup your data, trash everything and do a fresh, clean install. You'll be surprised that how fast your PC flies.

    In addition, make sure before you do the above, go to ASUS site and check if there's any new BIOS for your MB then update it first and also when you install Windows 8, use a network cable and plug directly to your router so that Windows can update all the drivers for your PC.

    Hope this helps.
      My System SpecsSystem Spec

  5. #5


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP


    Quote Originally Posted by lastof View Post
    Charms Bar > Settings > Change PC Settings > General (on left side) > scroll down to last option 'Advanced Startup' > 'Restart Now' button > Troubleshoot > Advanced Options > from here you should see either 'UEFI Firmware Settings' or 'BIOS Firmware settings' or something similar >
    Quote Originally Posted by lastof View Post

    Win8 will then automatically reboot directly into your BIOS/UEFI setup

    hope this helps
    Jason
    Don't think he will have a such an option without UEFI. I don't have the option of going to BIOS at the point you mention, and I don't have UEFI.
      My System SpecsSystem Spec

  6. #6


    I had the same issue. I just disabled fast start up and everything boots as it did before.
      My System SpecsSystem Spec

  7. #7


    Posts : 1,925
    Windows 8.1 Pro


    It does not appear that your Motherboard officially supports Windows 8. There are no Windows 8 driver downloads, and the bios appears to not support UEFI (ie legacy BIOS). That doesn't mean Windows 8 won't work, as most Windows 7 drivers should work ok.

    Windows 8 doesn't control access to your BIOS. That happens prior to Windows 8 even booting. There is really no way for the BIOS to control this. I understand that this may have started after you installed Windows 8, but it may just be a coincidence, or it may be that the upgrade caused your CMOS to be corrupted or any number of things. You could try removing the battery from your motherboard and letting the charge drain out of it.

    It may be that if your keyboard is USB, that the flag in the BIOS to support USB got turned off. The board isn't even being sold on their site anymore (can't find any pictures of it). If it has a ps/2 keyboard, you might try hooking up a PS/2 keyboard and seeing if you can get into the bios.

    Finally, regarding how slow things are. Upgrade installs (which is what you did) are often problematic. Corruption in your system can cause all kinds of weird errors during the upgrade process, which results in incomplete or incorrect upgrades. A clean install is always preferable.

    There was a recent bios update made available for this board, but it doesn't seem to address any specific Windows 8 issues. You might try updating to that if you can.

    If all else fails, you might consider swapping out your motherboard for one with official Windows 8 support (this would allow you to take advantage of UEFI to use larger than 2TB drives). If you think about it, with the reduced cost of Windows 8, plus the cost of the new motherboard, you're probably still cheaper than buying Windows 8 at retail price.
      My System SpecsSystem Spec

  8. #8


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP


    Quote Originally Posted by stealth2920 View Post
    I had the same issue. I just disabled fast start up and everything boots as it did before.
    Are you running under UEFI?
      My System SpecsSystem Spec

  9. #9


    No I am using the bios. When I had fast start enabled it would bypass the area where you could select to enter the bios. Once disabled it boots normally like it did in Windows 7. Obviously boots a little slower with fast start up disabled, but no big deal and allows me to enter the bios if I need to change anything. My system overclocked so I occasionally enter the bios to make changes.
      My System SpecsSystem Spec

  10. #10


    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP


    Thanks
      My System SpecsSystem Spec

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Win8 Prevents BIOS Access
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