FOR BLUE SCREEN OF DEATH 0x00000124:

Disable Enhanced Halt State

If the enhanced halt state is enabled, it may cause STOP 0x00000124 error. To fix the problem, disable it as shown below:

1. Turn on your computer.
2. Press F2 or Delete key.
3. Select Advanced Chipset Features | CPU Configurations.
4. Select C1E Enhanced Halt State and press ENTER.
5. Select Disable option.
6. Press F10 key to save the changes that you have made and restart the computer.

Scan and Repair the Registry

Error STOP 0x00000124 can be fixed using a registry cleaner. Using a good registry cleaner, do a full registry scan and repair it immediately.

Download Latest Updates to Get the Hotfix

Get the latest updates released by Microsoft so that you can get the appropriate hotfix to fix STOP 0x00000124 error.

1. Click Start.
2. Click All Programs | Windows Update.
3. Click Check for Updates button.
4. Follow the instructions your own.

Unplug the Newly Installed Hardware

If you have recently plugged a new hardware, for example, a graphics card, unplug it. Verify whether it is designed for Windows platform or not. If it is not, replace it by contacting the vendor. STOP 0x00000124 may not appear again.

Load Last Known Good Configuration

Try restoring the last known good configuration of your registry. This option is available when you press F8 key before your operating system starts.

Replace the Memory

Your RAM may not be functioning properly and thus causing STOP 0x00000124 BSOD error. You can replace it temporarily and check whether your computer shows BSOD on the replaced RAM or not.

Scan System Files

The operating system files may be corrupted and thus causing STOP 0x00000124 Blue Screen on your system. Scan such corrupted files and replace these as shown below:

Run System File Checker as listed below:

1. Insert Windows installation disc.
2. Click Start.
3. Click Run.
4. Type SFC /ScanNow and hit ENTER.

FOR HAL.DLL:

The first step to fixing this error is to load the file that Windows needs from the "Recovery Console" of your system. To do this, you need to reboot your computer with the Windows Installation CD, and then load up the recovery console. You should then load up the hal.dll file that's on the Windows CD, and then "restore" it onto your system. This will replace the current hal.dll you have with an updated one, giving your system the ability to run the file again.

After you've done that, you should then use a 'registry cleaner' to make sure that no reference to the hal.dll file is corrupt or damaged. DLL errors often appear because the references to them inside the "registry" of Windows becomes damaged or corrupted. The registry is basically a central database which stores vital settings and information that your system needs to run. It also keeps a large list of DLL files for your computer, allowing Windows to load up these files whenever it needs them. In order to fix the various DLL errors that your system might have, it's recommended that you use a 'registry cleaner' to scan through your PC and repair the errors on your computer.