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BIOS screen doesn't display when booting up.


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#1 br26

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Posted 16 September 2012 - 04:20 AM

Ok, I have two issues with my computer but they go hand in hand, sort of.

The first one is the BIOS boot up screen that usually leads me to Windows. A few months ago, this vanished. I don't know if it was due to a version of Windows 7 i installed or something but whenever I turned on the PC, the screen would appear blank for a few minutes then go straight to the Windows welcome screen. I thought it was weird, but I didn't see a problem since it went to Windows so I disregarded it, which looking back is kind of dumb but I didn't want to risk doing something to the computer in the process.

So a few weeks ago I was trying to partition the hard drive so I can install the Windows 8 preview on it, rebooted the computer and...nothing. It wouldn't take me to Windows to there's clearly a problem with the hard drive. I could always get a new one, but there's still the problem of the vanishing BIOS screen. I googled some troubleshooting tips, and the only thing I could find was maybe the computer was too dusty inside, so I cleaned it out but still got the same results. If anyone has any suggestions for me, please let me know...

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#2 rotor123

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Posted 16 September 2012 - 07:42 AM

I have seen the no Bios screen effect in a computer with two active video cards. I'll call them A & B
Where a is the first card in the BIOS but B is the primary video card in windows. Sometimes two seperate video cards and sometimes a video card and built-in video.

Roger

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#3 hamluis

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Posted 16 September 2012 - 01:06 PM

BIOS screens at boot...are typically controlled within the BIOS settings. Whether a user wants to see such or not is her/his option.

I elect not to see mine.

Google Links On Such

Louis

#4 br26

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Posted 16 September 2012 - 01:45 PM

i do have two video cards on this computer. how can i get it so the BIOS screen will come back on, do i remove one of them?

also I never set it so I could not see the BIOS screen, this happened on its own. Plus I can't even get to any screen to toggle that option as everything is black.

#5 rotor123

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Posted 16 September 2012 - 01:59 PM

have you tried hooking up to the other card?

Roger

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#6 br26

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Posted 16 September 2012 - 02:11 PM

they are both hooked up already, they're hooked up to two different screens.

#7 rotor123

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Posted 16 September 2012 - 02:17 PM

It's not that then, did you try Louis's suggestion?

As is often the case with computers there is more than one cause for every problem.

Roger

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#8 br26

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Posted 16 September 2012 - 02:31 PM

i didn't manually adjust the BIOS settings though, it just happened one day out of the blue. if i could get into my bios settings i would change it, but I can't.

#9 Queen-Evie

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Posted 16 September 2012 - 03:29 PM

During boot try hitting the first key listed.

If that doesn't work keep rebooting and try the others one at a time.

F1
F2
DEL
ESC
F10

If you need more help regarding what to look for in BIOS please post your systems motherboard manufacturer/model number.

#10 Burney

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Posted 18 September 2012 - 10:27 AM

Do you have multiple output connectors on your video cards? DVI, VGA, HDMI....? If so I would only have one monitor plugged in and switch its connector to see which one is set to the default by your bios. You may want to reboot after each switch.

Also, Is the screan black and you hear the Windows sounds when it boots up? Or is windows just fried and you hear nothing?

I guess the better question is what sounds does your computer make when you boot it?

#11 D.Meacham

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Posted 18 September 2012 - 02:59 PM

Assuming that you're using a computer that isn't pre-built by a company like Dell or HP, the delete key is generally what you should be furiously pounding immediately after hitting the power to bring up a setting screen for the BIOS. And I do mean furiously; mash that sucker at least four times a second or you might miss the very brief window for reaching the BIOS settings. Once you're in, you should then be able to flip the BIOS screen setting to on.

If you are using a pre-built computer, the key for getting into the settings can vary wildly. Escape, F1, F2, F10, F11, F12 are all examples that I've seen before.

#12 br26

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Posted 20 September 2012 - 06:15 PM

motherboard is a Nforce 680i sli.

The computer i am using is an Alienware model from several years ago, i have tried pressing all the buttons listed here to get into the BIOS screen but to no avail.

The only thing I hear when booting it up is the motherboard's beep when i first turn on the computer. Windows normally loads after a minute or so, but with my hard drive busted there's nothing after the beep.

#13 rotor123

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Posted 22 September 2012 - 10:04 AM

Have you tried resetting the BIOS to defaults?
Here is how to find the the easy way.

Go to Google, Type into the search box alienware (Your Model name) service manual. Look for a result like this

support.dell.com/support/edocs/systems/M15x/en/index.html
This is the result for a Alienware® M15x

Notice how the real Dell site starts support.dell.com. Locate the BIOS clear Jumper and try resetting it back to defaults.

See if that helps. There may also be links to a user manual if you need one.

Good Luck
Roger

Fortune Cookie says: Fortune not Found: Abort, Retry, Ignore?

Sent from my All-In-One Desktop. Perfect for Internet, Not for heavy usage or gaming however.

How Does a computer get Infected? http://www.bleepingcomputer.com/forums/t/2520/how-did-i-get-infected/
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167 @ June 2015


#14 James Litten

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Posted 22 September 2012 - 12:59 PM

I've got a 680i LT here and there is a clear CMOS jumper on the edge of the board near the round battery.

Turn off the power supply and unplug it.
Connect pins 1 and 2 with a jumper cap.
Count to 10
Put the jumper cap back the way it was.
Plug it in and turn it on and see if you get your BIOS back.

If that does not work, try stripping it to bare bones.
Remove the extra video card.
Remove any other extra devices and cards.
The least you can have connected is video, memory, cpu and a keyboard.

James




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