Question about Dell OptiPlex 755 Motherboard System Board Socket 775 DR845

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The Battery on my Motherboard fell out while I was inspecting the SATA cables for my HDD and CD-ROM. When I put the Battery back in and rebooted. Set the time in the Bios it looked like it is going to boot, but right after the Windows XP screen shows up, I get the blue screen of death. Same thing happens when I try Safe mode or Safe Mode with Command Prompt. This is a company machine and I need to keep the data intact. It was working fine intil the Motherboard Battery fell out. The HDD and the CD-ROM are both SATA Drives. Suggestions Please? Thanks

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Hi,

Once you replaced the CMOS battery, it is important to configure the BIOS settings.

-Start your PC. (Before the Operating system press F2 or the key to enter your BIOS. (The key may be the Del button)
-Enter the BIOS.
-Modify the Date.
-Verify if the parameters are correct. Check the information on the hardware installed in the computer (such as the number of tracks or sectors on each hard drive) are stored in the CMOS. You must select the HD and save it in the BIOS.
Check the HD type. You may use auto detect function of BIOS.
-Save and quit BIOS.

Waiting your comments.

Posted on May 30, 2010

  • 19 more comments 
  • pangze2000 May 30, 2010

    Hi,





    I have already tried that. It is an old BIOS, but it does detect both the Hard Drive and the CD-ROM.

    I ensured that the Time and Date are correct and looked through the rest of the setting and they all look correct.



    I even tried to boot up with a XP professional Disk. The process started fine, but as it continued to load files for the set up, it gave a the BLUE SCREEN right when it says it is starting windows on the bottom right of the screen.



    The bottome line is I cannot lose the info on this drive. I am in the middle of the Bohai Bay in China at the moment, so I do not have easy access to any new hardware etc.



    Thanks

  • pangze2000 May 30, 2010

    the Technical info is as follows: 0X0000007B (0XF7C3763C, 0XC0000034, 0X00000000, 0X00000000)

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    In the BIOS, you may change AHCI to "compatibility mode". (Or you can select your HD type.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    I wrote my last comment before reading your last comment. I'll write you my other solutions.

  • pangze2000 May 30, 2010

    The default under the SATA Operation settings is as follows:



    RAID Autodetect / AHCI



    There are 2 other options:



    RAID Autodetect /ATA or RAID On



    If I choose the second option there is a warning message that states:



    SATA Operation is being Changed!

    Changing this setting may prevent your operating system from booting or require a Reinstall. Are you sure you would like to continue?



    I am worried if I change the SATA Operation I will lose all my data.



    Thanks.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Do you have only one SATA HD or is there any second HD?

  • pangze2000 May 30, 2010

    Ok, I changed the RAID setting to Autodetect /ATA and now it boots. Hooray!!.



    Now, the next problem, hahaha.



    The mouse works fine but the keyboard ceases to function after the boot gets to the "Applying computer settings"



    I have tried using a wirelss keyboard and mouse, and a regular USB keyboard and mouse. Each time the same thing happens. I have keyboard control in the very beginning of the computer boot. For example, I can get into the BIOS or Safe Mode.



    if I boot up in Safe mode, the keyboard works. in Both Safe Mode and Safe Mode with networking.



    this machine is on a domain.



    I scanned for viruses using Macafee in Safe mode, found nothing. I also used 2 different malware scanners and also no problem.



    Help me please:)

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Leave it as auto detect.





    The message on the blue screen means : STOP 0x0000007B error "INACCESSIBLE BOOT DEVICE"



    Check the boot sequence in the BIOS.

  • pangze2000 May 30, 2010

    The mouse works fine but the keyboard ceases to function after the boot gets to the "Applying computer settings"

    I have tried using a wirelss keyboard and mouse, and a regular USB keyboard and mouse. Each time the same thing happens. I have keyboard control in the very beginning of the computer boot. For example, I can get into the BIOS or Safe Mode.

    if I boot up in Safe mode, the keyboard works. in Both Safe Mode and Safe Mode with networking.

    this machine is on a domain.

    I scanned for viruses using Macafee in Safe mode, found nothing. I also used 2 different malware scanners and also no problem.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    On the BIOS, there is a USB controller option.
    You should set it to On so that USB devices will be detected and supported in the operating system.

  • pangze2000 May 30, 2010

    yes, I have done all that.



    here is what I have. I have a wireless keyboard and Mouse. And I have tried this with both a wireless and Wired keyboard.



    When I boot up regularly, the Mouse still works but the keyboard does not work. Pushing ALT+CTRL+DEL Does nothing. Pushing the Caps Lock or Number Lock does nothing. No Lights etc.



    If I turn on the machine, in the beginning I can still get to BIOS by puching F2, and I can push F8 and get to Safe Mode.



    Now, if I go to Safe mode and log in with networking and use my regular Domain username and Password, the keyboard works no problem.

    If I boot to Safe mode without networking and use a local Admin account username and password the keyboard also works no problem.



    What do you think?

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    First, try the Last Known Good Configuration option by pressing F8 at the boot menu.



    Waiting your comments.

  • pangze2000 May 30, 2010

    I tried that once, but I tried it again and same result. Still no Keyboard.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Try to update keyboard and mouse driver in the safe mode.



    Go to Control Panel, click the Hardware tab, click Properties, click the Driver tab, click Update Driver...



    (If it doesn't work You may use Recovery Console from the windows installation CD. I can explain what you will do.)



    Waiting your comments.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Hi Pangze,



    The other solution is below:



    You can use the registry editor to remove the device filter driver entries and to solve the problem.



    WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system.



    To do that:



    Restart your system in safe mode
    Click start menu
    Then run
    Type the word regedit
    The registry editor window opens
    Here you will see the files as below:



    hkey_classes_root
    hkey_current_user
    hkey_current_machine
    hkey_users
    hkey_current_config


    .....

    .....

    Press ctrl+F and type the word mountpoints2
    press enter to find
    delete all the folders named as mountpoints2


    click start
    then run
    type the word msconfig
    and hit enter
    the system configuration utility window opens
    in both the tabs named startup & services look out for suspicious files and uncheck them that don't belong to your operating system.
    Click apply then ok

    Restart your computer in normal mode




    Hope this helps.



  • pangze2000 May 30, 2010

    Now for some reason when I boot into normal mode or safe mode the mouse still works but the keyboard does not work anymore in Safe mode.



    Before I took a rest, the Machine found a PCI device during boot up (Safe Mode). Another person decided it must be the keyboard so they manually added a keyboard driver to that unknown device. I could not stop them in time.



    I wanted to kill him, hahaha. Now my hands are tied since now the keyboard does not work Even in Safe mode.



    Help me.:)

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Hi,



    If your mouse is working in Safe Mode you can un install the keyboard driver and reinstall.

    Also using mouse and copy/paste function, you can run reg edit and do the previous procedures.



    :))

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    To be able to open the regedit commands using mouse, you can save the message as text file and open in the safe mode by notepad.

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    But, you can try the Last Known Good Configuration option by pressing F8 at the boot menu.

  • pangze2000 May 30, 2010

    Well, thanks for trying.



    I ended up making a a BARTPE type disk from scratch to fix all the problems.



    Thanks

  • Ibrahim OKTAY
    Ibrahim OKTAY May 30, 2010

    Thanks.



    Good luck my friend.

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