Page 1 of 2 12 LastLast
  1.    14 Sep 2015 #1
    Join Date : Sep 2015
    Posts : 8
    windows 10

    Cant get to bios from windows boot manager


    Hello,
    i was playing with disc partitions and i accidentally deleted something... The problem is, that when i start my computer, Windows boot manager error appears (with no options, nothing, just some text about how should i reinstall / repair...), but when i start my computer, i have no way to access BIOS (and yes. i know how to access bios in my pc, i was accessing it like 20 times during last few days while installing various OSs... always with F2)

    So actually i am stucked in a loop: start pc - cant access bios - windows boot manager error- restart - cant access bios - win boot manager error - restart....

    With windows, i had problems with accessing bios before, but it could be solved by some kind of "absolute shutdown" of a system - holding shift while clicking "Shut down" - then i could easily enter bios with F2 during start.

    I have no idea what to do now, i am literally stucked in a loop. Any ideas appriciated!
    Thanx
      My ComputerSystem Spec
  2.    14 Sep 2015 #2
    Join Date : Mar 2014
    Cape Breton Nova Scotia ,Canada
    Posts : 3,459
    insider build 10586.3 win10 pro 64

    try booting to your win10 media and run the bootup repair
      My ComputerSystem Spec
  3.    14 Sep 2015 #3
    Join Date : Sep 2015
    Posts : 8
    windows 10
    Thread Starter

    Thanks You for answer,
    but how? I have no choice anywhere, and cant access bios to change boot options to boot from installation cd/usb...
      My ComputerSystem Spec
  4.    14 Sep 2015 #4
    Join Date : Mar 2014
    Cape Breton Nova Scotia ,Canada
    Posts : 3,459
    insider build 10586.3 win10 pro 64

    try start hitting the F2 before you hit the power button ,also if it a tower computer open it and remove the bios battery for a few minutes ,then replace it ,this will set bios to defaults
      My ComputerSystem Spec
  5.    14 Sep 2015 #5
    Join Date : Sep 2015
    Posts : 8
    windows 10
    Thread Starter

    Hitting F2 before/during/always/after start just dont help. And sadly, i have laptop and i really dont feel like opening it. I just removed the regular battery, but with no effect.
      My ComputerSystem Spec
  6.    14 Sep 2015 #6
    Join Date : Aug 2015
    I'm in the ghetto
    Posts : 705
    Windows 10 Pro x64

    Quote Originally Posted by shabic View Post
    Hitting F2 before/during/always/after start just dont help. And sadly, i have laptop and i really dont feel like opening it. I just removed the regular battery, but with no effect.
    Sorry, but you are going to have to open it up. Or you will have to take it to a shop.

    The only way I can see you getting access is by removing the RTC BIOS battery and possibly having to disconnect the hard drive cables too.

    Removing the laptop power battery won't make any difference as the problem is inside the chassis.

    Edit: If you post your exact make and model of laptop then we might be able to post up the photos showing you what you need to do.
      My ComputerSystem Spec
  7.    14 Sep 2015 #7
    Join Date : Sep 2015
    Posts : 8
    windows 10
    Thread Starter

    Thanks you both for very quick answers!

    My laptop is acer aspire v3-771g
      My ComputerSystem Spec
  8.    14 Sep 2015 #8
    Join Date : Jul 2015
    Posts : 9,148
    Windows 10 Pro

    If you remove the main battery and unplug the power supply, the computer will be forced to boot through bios when you power on the next time. Also, try the Delete key instead of F2. From what I have read, F2 brings up the boot menu, Delete key takes you into bios setup.

    Another way might be to pop off the cover over the hard drive, then there will probably be a couple of screws that hold the hard drive in place, remove those screws and the hard drive should slide back off the connector. Then power on your computer and you will force a bios error that there is no boot device present.
      My ComputerSystem Spec
  9.    14 Sep 2015 #9
    Join Date : Sep 2015
    Posts : 8
    windows 10
    Thread Starter

    Quote Originally Posted by NavyLCDR View Post
    If you remove the main battery and unplug the power supply, the computer will be forced to boot through bios when you power on the next time. Also, try the Delete key instead of F2. From what I have read, F2 brings up the boot menu, Delete key takes you into bios setup.

    Another way might be to pop off the cover over the hard drive, then there will probably be a couple of screws that hold the hard drive in place, remove those screws and the hard drive should slide back off the connector. Then power on your computer and you will force a bios error that there is no boot device present.
    Unfortunatelly the trick with power option doesnt work and neither the delete key.

    Ill try to open my laptop later and then post result here.... Anyways thanx you too for help
      My ComputerSystem Spec
  10.    14 Sep 2015 #10
    Join Date : Jun 2015
    Posts : 56
    Win 10

    Try Holding shift then select shut down. keep shift held down till the unit is all the way off. then on boot keep tapping F2.
      My ComputerSystem Spec

 
Page 1 of 2 12 LastLast


Similar Threads
Thread Forum
Solved Can Boot Manager on Disk 1 be removed from bios?
Migrated OS 8.1 from HDD to SSD . Migration software installed command line in bios "Boot Manager on Disk 1". If I do a format of SSD will bios revert to original without the reference to disk 1. I intend on doing a clean install of Windows 10...
Installation and Upgrade
Inaccessible Boot Device, cant get to BIOS or boot from media
Soo... things have gone from bad to worse. My problem started after windows 10 updated when I shut down my laptop for a quick restart. Windows explorer would crash every second, reopen, then crash again without stopping. I tried a system restore...
BSOD Crashes and Debugging
Computer wont boot (even into UEFI/BIOS) after Windows 10 upgrade
Hi all. I have had nothing but issues, since upgrading to Windows 10 from Windows 8 (64). The installation within of itself was horrible. I got the continual flash on the screen, until I was able to get it into safe mode and recovered it. Then...
General Support
Second SATA drive showing in BIOS but not Device Manager
I've just added a 2nd HD to my Dell system with Win 10. It shows in the BIOS and Seagate tools finds it. It does not show up in Device manager or Computer Management/Storage - Disc Management or anywhere. Not sure if this si Won 10 specific. Anyone...
Drivers and Hardware
Question about Windows 10 UEFI BIOS with Secure Boot
So, basically if we have a computer that doesn't have a UEFI BIOS with Secure Boot, then we can't upgrade to Windows 10? Am I right or wrong here?
General Support
Our Sites
Site Links
About Us
Windows 10 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 10" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd
All times are GMT -5. The time now is 18:24.
Find Us
Twitter Facebook Google+ Ten Forums iOS App Ten Forums Android App



Windows 10 Forums