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Solved: Windows 7 won't load, can't enter BIOS mode

Discussion in 'Hardware' started by thozeyes, May 30, 2014.

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  1. thozeyes

    thozeyes Thread Starter

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    I have a Dell Inspiron 560 desktop about 3 years old. Running Windows 7, Intel Pentium chip. Last night I was watching a video online when the computer froze up completely and started beeping repeatedly. I held the power button down for 4 to 5 seconds to turn off the computer because the mouse was frozen in place. When I tried rebooting, the system powered on but Windows would not load. I repeated the hard turn off and turned the computer back on but I was met with a black screen (I tried this about 10 times before giving up). The monitor did give a message that it was not receiving anything from the computer system.

    This morning I turned on the computer and Windows loaded and the desktop came in but the mouse was frozen. I again had to hold the power button in for 4 to 5 seconds to turn off the system. When I turned the computer back on I was met with a totally black screen.

    When I try going into BIOS I can not enter BIOS mode.

    I have unplugged the entire system for a minute or more to see if that would reset the system but it didn't help. I did some reading online and thought I might have to switch out the CMOS battery but I haven't had any trouble with my computer clock going wonky on me.

    About 4 to 6 weeks ago the computer crashed 2 or 3 times but each time I could reboot it successfully but it would be a little iffy so I took to putting the computer into sleep mode most of the time to avoid turning it off and on as much as possible. I would reboot the whole system about once a week.

    Any help will be greatly appreciated as it's the start of the weedend which means I can't find a service person. I work from home on my computer so I'm in a real jam!!!! Many thanks in advance...
     
  2. crjdriver

    crjdriver Moderator

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    With the system OFF, open the case and do the following;
    1 Pull the pw connectors from ALL drives; both hd and optical
    2 Remove any add-in cards such as sound, nic, etc. Leave your video card installed [if used]
    3 Disconnect any usb device ie printer, scanner, hub, etc
    4 Clear cmos with the clear jumper. Replace the jumper to the keep position.
    5 Now attempt to pw ON and see if the mb will complete POST [ie you see post data on the screen]

    If it does work in the above config, then shutdown and connect devices one at a time until you find the failed device.
    If it does not post, then you are going to have to swap parts with known good units; ie pw supply, ram, mb, etc. Start with the pw supply since it is the easiest to install.
     
  3. thozeyes

    thozeyes Thread Starter

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    Thank you for your reply. I familiarized myself first with your instructions so I knew what I was doing once I opened up the tower. First I decided to switch out the CMOS battery because that was the simplest thing to do. Next I powered up the computer and Windows 7 loaded normally. The system did a Restore and now my computer is working perfectly. I cannot believe something so simple cleared up the problem. I will never be this lucky again!!!!!! Thank you again. I'm printing out your instructions should I have problems in the future.
     
  4. DaveBurnett

    DaveBurnett Account Closed

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    12,970
    HINT. Look at the lights at the back of the machine. They usually indicate the error.
     
  5. crjdriver

    crjdriver Moderator

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    You are welcome. For future reference, you can mark your own thread as solved using the solved button at the top of the page. I will mark this one solved for you.
     
  6. thozeyes

    thozeyes Thread Starter

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