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Windows does not start automaticly it gives options like safe modeboot with the last knows config and start windows automaticly. When I click on any option the machine goes off and when I try to repair windows it says Stop: c0000221 Unknown Hard Error C\systemroot\system32tdll.dll

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  • 148 Answers

It may caused by the curreption(deletion) of important system files,
You can format and reinstall xp .
Restart computer when booting goes on press F5 Or DEL key to goto bios setup menu change boot order to first cd drive then hdd
PressF10 and press Y and enter.
computer will restart
Insert Xp cd.
Press enter to boot from cd
Follow the instructions
Then your problem will solve.

Posted on Jul 28, 2010

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Posted on Jan 02, 2017

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1 Answer

Start my pc on safemode


Windows 2000 and XP users Tip: If you are running Safe Mode because you cannot get into Windows, you may want to first try loading the last known good configuration.
To get into the Windows 2000 and XP Safe mode, as the computer is booting press and hold your "F8 Key" which should bring up the "Windows Advanced Options Menu" as shown below. Use your arrow keys to move to "Safe Mode" and press your Enter key.
Note: With some computers, if you press and hold a key as the computer is booting you will get a stuck key message. If this occurs, instead of pressing and holding the "F8 key", tap the "F8 key" continuously until you get the startup menu.
Trouble Getting into Windows 2000 or Windows XP Safe mode - If after several attempts you are unable to get into Windows 2000 or Windows XP Safe Mode as the computer is booting into Windows, turn off your computer. When the computer is turned on the next time Windows should notice that the computer did not successfully boot and give you the Safe Mode screen.

Windows Advanced Options Menu
Please select an option:
Safe Mode
Safe Mode with Networking
Safe Mode with Command Prompt
Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Debugging Mode
Start Windows Normally
Reboot
Return to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice. Once you're done in Safe mode if you want to get back into Normal Windows restart the computer like you normally would and let it boot normally. Click here to get additional information about getting out of Safe mode.
loading the last known good configuration.To get into the Windows Vista and Windows 7 Safe Mode, as the computer is booting press and hold your "F8 Key" which should bring up the "Windows Advanced Options Menu" as shown below. Use your arrow keys to move to "Safe Mode" and press your Enter key.
Note: With some computers if you press and hold a key as the computer is booting you will get a stuck key message. If this occurs, instead of pressing and holding the "F8 key", tap the "F8 key" continuously until you get the startup menu.
Trouble Getting into Safe mode - If after several attempts you are unable to get into Safe Mode as the computer is booting into Windows, turn off your computer. When the computer is turned on the next time Windows should notice that the computer did not successfully boot and give you the Safe Mode screen.

Choose Advanced Options for: Microsoft Windows Vista
Please select an option:
Safe Mode
Safe Mode with Networking
Safe Mode with Command Prompt
Enable Boot Logging
Enable low-resolution video (640x480)
Last Known Good Configuration (advanced)
Directory Services Restore Mode
Debugging Mode
Disable automatic restart on system failure
Disable Driver Signature Enforcement
Start Windows Normally
Description: Start Windows with only the core drivers and services. Use
when you cannot boot after installing a new device or driver. Once you're done in Safe mode if you want to get back into Normal Windows restart the computer like you normally would and let it boot normally.

Aug 13, 2014 | Computers & Internet

1 Answer

Brought a advent 7113 2nd hand and it was working great but i was updating the windows programs/ however the computer stut down during and now its struck on a loop on the startup. giving options safe...


First try to boot with last know good setting if this doesn't work boot into safe mode and choose a system restore point and then retry you update again. Always be sure your laptop is plugged in when installing or doing updates, since if the battery dies in the middle of an installation or update your stuck like this.

May 19, 2011 | Computers & Internet

1 Answer

My ASUS UX50 laptop has problems starting windows. Every time I turn it on it says "windows failed to start" and gives me the option of choosing safe mode, safe mode w/ command prompt, last known...


Seems like there are Operating System files that got corrupted. Try to boot the PC into the Windows OS setup disk. Run the setup, choose the currently installed Operating System then select Repair. For more details please check this link - click here

Hope this help. Goodluck!

Mar 28, 2011 | ASUS UX50VRMSX05 Notebook

1 Answer

STOP: 0x0000000024 that is the error message I am receiving and can't seem to get past the screen that gives you the option to start in safe mode


if this happens when starting to boot to Windows, try last known-good config. When system is restarting, tap F8 a couple of times to get to the Advanced Options menu where Safe Mode is also listed. Select Last Known-Good Configuration if available and press Enter. If this does not work, try selecting Safe Mode. If you can get to Safe Mode, you can try System Restore to a previous restore point available when your system is working properly. If none of the things work, try Windows repair or reinstall. Make sure to try to backup data if you can before doing any reinstall or repair.

Sep 16, 2010 | Compaq Presario Notebook

1 Answer

Need help please and thank you


For that you need to fix error on harddrive.
For that You can solve this errors with following 2 methods.
(1)When you power up the computer press F8 key then enter in safe mode.
Then if you are able to enter in safe mode then uninstall driver or software which you installed recently and face this error.
(2)If you are not able to enter in safe mode Then you need to fix error on hard drive.For that you need windows disk or recovery disk.
Boot your computer with that disk
For that when you power up the computer press F1 or F2 "del" key to enter in bios.
Then go to boot menu and set frist boot device as your cd or dvd rom.
Then save settings and exit bios.
Insert windows disk in cd /dvd rom.
Then it boot with that disk.Then you get this message "Press any key to boot from cd.."
Then press any key.
Then follow the procedure then enter in recovery console mode then type in prompt "chkdsk /r"
Then type "y"
Then it fix error on hard drive.
Then check if again you are not able to enter in windows then boot again and this time choose "R" option for repair previous windows " then it repairs old windows then it loads again old windows.
Let me know if you need further assistance.
Thanks for using FixYa.

Feb 05, 2010 | Compaq Presario 5000 PC Desktop

2 Answers

My computer froze during shut down, so I turned it off using the power button. When I start it up It gives me the options of starting normally, Last known good configuration, safe mode safe mode with...


Try go into BIOS by hitting the DEL key or F1 or F2 as you start and go to save Cmos config. then reboot.
The other approach is Last known Good config is the best. This can be brought up after presing power button then by tapping F8 till screen apears.. Select Last known Good Config

Nov 08, 2009 | Sony VAIO VGC-RA840G PC Desktop

2 Answers

Hp paviliondv2050us wont start


To complete part one, follow these steps:
  1. Insert the Windows XP startup disk into the floppy disk drive, or insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.
    Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted to do so.
  2. When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
  3. If you have a dual-boot or multiple-boot computer, select the installation that you want to access from the Recovery Console.
  4. When you are prompted to do so, type the Administrator password. If the administrator password is blank, just press ENTER.
  5. At the Recovery Console command prompt, type the following lines, pressing ENTER after you type each line: md tmp
    copy c:\windows\system32\config\system c:\windows\tmp\system.bak
    copy c:\windows\system32\config\software c:\windows\tmp\software.bak
    copy c:\windows\system32\config\sam c:\windows\tmp\sam.bak
    copy c:\windows\system32\config\security c:\windows\tmp\security.bak
    copy c:\windows\system32\config\default c:\windows\tmp\default.bak

    delete c:\windows\system32\config\system
    delete c:\windows\system32\config\software
    delete c:\windows\system32\config\sam
    delete c:\windows\system32\config\security
    delete c:\windows\system32\config\default

    copy c:\windows\repair\system c:\windows\system32\config\system
    copy c:\windows\repair\software c:\windows\system32\config\software
    copy c:\windows\repair\sam c:\windows\system32\config\sam
    copy c:\windows\repair\security c:\windows\system32\config\security
    copy c:\windows\repair\default c:\windows\system32\config\default
  6. Type exit to quit Recovery Console. Your computer will restart.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder. Make sure to change it is a different location.

If you have access to another computer, to save time, you can copy the text in step five, and then create a text file called "Regcopy1.txt" (for example). To use this file, run the following command when you start in Recovery Console: batch regcopy1.txtWith the batch command in Recovery Console, you can process all the commands in a text file sequentially. When you use the batch command, you do not have to manually type as many commands. Part two loadTOCNode(3, 'moreinformation'); To complete the procedure described in this section, you must be logged on as an administrator, or an administrative user (a user who has an account in the Administrators group). If you are using Windows XP Home Edition, you can log on as an administrative user. If you log on as an administrator, you must first start Windows XP Home Edition in Safe mode. To start the Windows XP Home Edition computer in Safe mode, follow these steps.
  1. Click Start, click Shut Down (or click Turn Off Computer), click Restart, and then click OK (or click Restart).
  2. Press the F8 key.

    On a computer that is configured to start to multiple operating systems, you can press F8 when you see the Startup menu.
  3. Use the arrow keys to select the appropriate Safe mode option, and then press ENTER.
  4. If you have a dual-boot or multiple-boot system, use the arrow keys to select the installation that you want to access, and then press ENTER.
In part two, you copy the registry files from their backed up location by using System Restore. This folder is not available in Recovery Console. Before you start this procedure, you must change several settings to make the folder visible:
  1. Start Windows Explorer.
  2. On the Tools menu, click Folder options.
  3. Click the View tab.
  4. Under Hidden files and folders, click to select Show hidden files and folders, and then click to clear the Hide protected operating system files (Recommended) check box.
  5. Click Yes when the dialog box that confirms that you want to display these files appears.
  6. Double-click the drive where you installed Windows XP to display a list of the folders. If is important to click the correct drive.
  7. Open the System Volume Information folder. This folder is unavailable and appears dimmed because it is set as a super-hidden folder.
  8. Open a folder that was not created at the current time. You may have to click Details on the View menu to see when these folders were created. There may be one or more folders starting with "RPx under this folder. These are restore points.
  9. Open one of these folders to locate a Snapshot subfolder. The following path is an example of a folder path to the Snapshot folder: C:\System Volume Information\_restore{D86480E3-73EF-47BC-A0EB-A81BE6EE3ED8}\RP1\Snapshot
  10. From the Snapshot folder, copy the following files to the C:\Windows\Tmp folder:
    • _REGISTRY_USER_.DEFAULT
    • _REGISTRY_MACHINE_SECURITY
    • _REGISTRY_MACHINE_SOFTWARE
    • _REGISTRY_MACHINE_SYSTEM
    • _REGISTRY_MACHINE_SAM
  11. Rename the files in the C:\Windows\Tmp folder as follows:
    • Rename _REGISTRY_USER_.DEFAULT to DEFAULT
    • Rename _REGISTRY_MACHINE_SECURITY to SECURITY
    • Rename _REGISTRY_MACHINE_SOFTWARE to SOFTWARE
    • Rename _REGISTRY_MACHINE_SYSTEM to SYSTEM
    • Rename _REGISTRY_MACHINE_SAM to SAM
These files are the backed up registry files from System Restore. .

Part Three loadTOCNode(3, 'moreinformation'); In part three, you delete the existing registry files, and then copy the System Restore Registry files to the C:\Windows\System32\Config folder:
  1. Start Recovery Console.
  2. At the command prompt, type the following lines, pressing ENTER after you type each line: del c:\windows\system32\config\sam

    del c:\windows\system32\config\security

    del c:\windows\system32\config\software

    del c:\windows\system32\config\default

    del c:\windows\system32\config\system

    copy c:\windows\tmp\software c:\windows\system32\config\software

    copy c:\windows\tmp\system c:\windows\system32\config\system

    copy c:\windows\tmp\sam c:\windows\system32\config\sam

    copy c:\windows\tmp\security c:\windows\system32\config\security

    copy c:\windows\tmp\default c:\windows\system32\config\default
    Note Some of these command lines may be wrapped for readability.
  3. Type exit to quit Recovery Console. Your computer restarts.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder.

If you have access to another computer, to save time, you can copy the text in step two, and then create a text file called "Regcopy2.txt" (for example). To use this file, run the following command when you start in Recovery Console:
batch regcopy2.txt Part Four Click Start, and click All Programs. Click Accessories, click System Tools. Click System Restore, click Restore to a previous RestorePoint.

Jul 21, 2009 | Computers & Internet

1 Answer

Windows Won't start


Hey,

You can fix this problem by installing windows again from the windows installation cd or from the recovery media that came with the computer.


Let me know if you need anything else.


Thanks,
Ekse

Feb 16, 2009 | Compaq Presario 700 470024-192 Notebook

1 Answer

Hp laptop


windows is thnking that you have a problem with the system
start windows in safe mode and troubleshoot and see what the problem is if all else fails you might have to to a system restore
or take it into a tech and see what they think
hope this helps
cheers

Jul 20, 2008 | HP Pavilion dv1000 Notebook

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