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#1 (permalink) |
Member
Join Date: Dec 2012
Location: Tampa
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Laptop is TOSHIBA Satellite C55-A PSCF6U-01Y00C
Am on Windows 8.1 Any time I restart and my usbs are pluggd in, after the Toshiba logo comes on, I get - operating system not found, try disconnecting any drives that don’t contain an operating system. Press any key to restart- and when I press Enter it goes to the desktop. If my usbs are not plugged in ,I do not get the message. Strange that the computer repair where I took it for another problem about two months ago and this problem started said they did not know how to fix it. I am 80 years old and need detailed instructions. Thank you. Anna Ruth |
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#2 (permalink) |
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Join Date: Jul 2008
Location: India
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Hi foxygrandma, welcome to the forum
![]() The solution to your problem is very simple. Simply remove the USB drives when you boot the computer, and the computer will boot up fine. This happens because the computer tries to search for an operating system on the USB drives, and it does not find them. So, just remove the drive. Is it required for the USB drives to be plugged in when you start the computer? If yes, why? If no, then you just remove the USB drive.
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#3 (permalink) | |
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Join Date: Jul 2010
Location: New Zealand
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If you change the boot mode back to UEFI then your computer will not try to boot from USB because that feature is not supported unless you are in CSM mode. This Toshiba support webpage shows what was done and you just have to reverse it by resetting it back to normal: 1. Power on the system and while the "TOSHIBA" logo appears, press [F2] key to enter the BIOS Setup Menu. 2. Select [Security] tab and set the “Secure Boot” to “Enabled”. 3. Select [Advanced] tab and go to “System Configuration”. (Refer to <Pic.2>) 4. Set the “Boot Mode” to “UEFI Boot”. (Refer to <Pic.3>) 5. Press [F10] key to save and exit. Hope this is detailed enough for you ... and that it works for you. ![]()
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Better to light a candle ... than to curse the darkness. Last edited by Remah; 02. May 2015 at 07:28 AM. Reason: Spelling |
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#5 (permalink) | |
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I was initially going to mention that but I can think of two reasons why that would only be a partial fix:
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#6 (permalink) |
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Join Date: Oct 2012
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@Remah, strangely enough, on my Lenovo laptop, toggling the "Boot" setting from UEFI to Legacy (or vice versa) automatically changes the Secure Boot setting too. I don't have to touch the Secure Boot setting at all.
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#7 (permalink) |
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Its not the strange because they go together. It's two steps to disable because Secure Boot won't allow CSM/legacy mode. It probably doesn't have to be re-enabled in two steps on the Toshiba but I included them both just in case.
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#8 (permalink) |
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Remah, I'm not doubting that it's a 2-stage process on the OP's computer. For that matter, every article I've ever read says you must disable Secure Boot and change the Boot Mode to Legacy/UEFI. All I'm saying is that on my laptop I only have to do one thing, i.e. change the Boot Mode to Legacy/EUFI. In other words, I don't ever have worry about toggling Secure Boot, and that is what I find strange. Also, just to make to be sure I'm not imagining things, I tried it again and confirmed it is so.
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#9 (permalink) | |
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