System wont boot up

There might be errors in the Windows Opeating System. This might have been caused by the recent hardware and software changes done to the PC. Try booting the computer into "Safe Mode", to do this, turn the pc on and while the computer starts up or right after you press the on button start tapping the "F8" key on your keyboard repeatedly until you see the "Windows Advanced Boot Options". From there select "Safe Mode" then press enter. If the computer boots into Safe Mode, you can try running a "System Restore" to restore the computer back to a date when it was working fine. Safe Mode can be accessed from Start>All Programs>Accessories>System Tools>System Restore. Follow the on screen instructions.

Hope this help. Goodluck!

Repair PC
press delete at startup
go2 BIOS option
1ST BOOT DEVICE CD/DRIVE
2ND BOOT DEVICE CD/DRIVE
F10 SAVE
RESTART PRESS F12

SAFE MODE
At start up press F8 go2 SAFE MODE thn type at run chkdsk,chkdsk/f/r & thn restart pc
Else Repair XP
Else clean ram BY RUBBER

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Repair PC
press delete at startup
go2 BIOS option
1ST BOOT DEVICE CD/DRIVE
2ND BOOT DEVICE CD/DRIVE
F10 SAVE
RESTART PRESS F12

SAFE MODE
At start up press F8 go2 SAFE MODE thn type at run chkdsk,chkdsk/f/r & thn restart pc
Else Repair XP
Else clean ram BY RUBBER

Follow the steps mentioned below to boot in normal mode.

1: Once you are in the Safe Mode, Click on Start and then Click on Run.
2: Type msconfig (you will see system configuration utility).
3: Click on Boot.ini tab and check for the Boot Options.
4: You will see Safe boot options check.
5: Uncheck it then click on apply and then ok.
6: Now your computer will boot in Normal mode.

Once you reach the desktop you will again see the system configuration utility screen. Just check the option don

You may want to try system restore & go back to a date when you had no problems.

To use a Safe Boot option, follow these steps:

1. Restart your computer and start pressing the F8 key on your keyboard. On a computer that is configured for booting to multiple operating systems, you can press the F8 key when the Boot Menu appears.
2. Select an option when the Windows Advanced Options menu appears, and then press ENTER.
3. When the Boot menu appears again, and the words "Safe Mode" appear in blue at the bottom, select the installation that you want to start, and then press ENTER.

Description of Safe Boot options

• Safe Mode (SAFEBOOT_OPTION=Minimal): This option uses a minimal set of device drivers and services to start Windows.
• Safe Mode with Networking (SAFEBOOT_OPTION=Network): This option uses a minimal set of device drivers and services to start Windows together with the drivers that you must have to load networking.
• Safe Mode with Command Prompt (SAFEBOOT_OPTION=Minimal(AlternateShell)): This option is the same as Safe mode, except that Cmd.exe starts instead of Windows Explorer.
• Enable VGA Mode: This option starts Windows in 640 x 480 mode by using the current video driver (not Vga.sys). This mode is useful if the display is configured for a setting that the monitor cannot display.
  
  Note Safe mode and Safe mode with Networking load the Vga.sys driver instead.
• Last Known Good Configuration: This option starts Windows by using the previous good configuration.
• Directory Service Restore Mode: This mode is valid only for Windows-based domain controllers. This mode performs a directory service repair.
• Debugging Mode: This option turns on debug mode in Windows. Debugging information can be sent across a serial cable to another computer that is running a debugger. This mode is configured to use COM2.
• Enable Boot Logging: This option turns on logging when the computer is started with any of the Safe Boot options except Last Known Good Configuration. The Boot Logging text is recorded in the Ntbtlog.txt file in the %SystemRoot% folder.
• Starts Windows Normally: This option starts Windows in its normal mode.
• Reboot: This option restarts the computer.
• Return to OS Choices Menu: On a computer that is configured to starting to more than one operating system, this option returns to the Boot menu.

An environment variable is set when you use one of the Safe Boot options. The environment variable is SAFEBOOT_OPTION. This variable is set to either Network or to Minimal.

The default Microsoft VGA driver is used for display at 640 x 480 resolution and in 16 colors. You must log on in all modes by a domain or by the local Security Accounts Manager, depending on which Safe Boot mode you select.


Use the System File Checker tool (SFC.exe) to determine which file is causing the issue, and then replace the file. To do this, follow these steps:

1. Open an elevated command prompt. To do this, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. Type the following command, and then press ENTER: sfc /scannowThe sfc /scannow command scans all protected system files and replaces incorrect versions with correct Microsoft versions.

To determine which files could not be repaired by the System File Checker tool, follow these steps:

1. Open an elevated command prompt.
2. Type the following command, and then press ENTER: findstr /C:"[SR] Cannot repair member file" %windir%\logs\cbs\cbs.log >sfcdetails.txtNote The Sfcdetails.txt file contains details from every time that the System File Checker tool has been run on the computer. The file includes information about files that were not repaired by the System File Checker tool. Verify the date and time entries to determine the problem files that were found the last time that you ran the System File Checker tool.
3. Type the following command, and then press ENTER: edit sfcdetails.txtThe Sfcdetails.txt file uses the following format: Date/Time SFC detail

This information was obtained from Support.microsoft.com

when u power up the computer press F8 key then select safe mode with arrow key thne enter in "safe mode'
then go to start menu run type in run "chkdsk /r"
then press "y"
then restart computer then it fix error on harddisk.

You need to borrow a XP cd so that you can repair your installation

AS you boot up, try tapping the F8 key until you get a window giving you the option of multiple types of boots. Use the safe mode boot.
Then do a system roll back found in your system tools.
Mastersage..................................

Try booting in safe mode. you may want to first try loading the last known good configuration.
To get into the Windows Vista 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 yourarrow keys to move to "Safe Mode" and press your Enter key. Let computer boot to safe mode and then shutdown. If problem continues then Start in safe mode again.

After you boot to safe mode then go to Control Panel, System, Advanced System Settings, Advanced tab should be at the forefront. Go towards the bottom of the popup (Startup and Recovery) and select settings. Then in the settings popoup uncheck Automatically Restart. OK and apply everyithing then restart computer. Let me know what happens.