Stop Error in IASTOR.SYS

Summary: How to resolve a STOP error in IASTOR.SYS with a RAID configuration.

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Symptoms

Change the SATA Operation Setting From RAID Autodetect / AHCI to RAID Autodetect / ATA in System Setup
 

  1. Restart the computer.

  2. Press <F2> immediately after the keyboard LEDs flash to enter the BIOS (System Setup).

  3. In the System Setup screen, press <Up Arrow> or <Down Arrow> to highlight the Drives section, and then press <Enter>.

  4. Press the <Up Arrow> or <Down Arrow> to highlight the SATA Operation section, and then press <Enter>.

  5. Press the <Up Arrow> or <Down Arrow> to highlight RAID Autodetect / ATA, and then press <Enter>.

  6. Press <Esc> to exit the System Setup.

  7. Press <Up Arrow> or <Down Arrow> to highlight Save/Exit, and then press <Enter>. The computer restarts.

 

Cause

Download and Install the Intel® Matrix Storage Driver
 

To download and install the Intel® Matrix Storage Driver, perform the following steps:

  1. Click here to download the R130119.exe file.
     
  2. Double-click the R130119.EXE file on the desktop. The Self-Extracting window appears and prompts you to extract to the C:\DELL\DRIVERS\R130119 directory.
     
  3. Write down this path so you can find the Setup.exe file later.
     
  4. In the Self-Extractor window, click OK.
     
  5. Click the Start button, and then click Run.
     
  6. Type C:\DELL\DRIVERS\R130119 in the Open box and click OK.
     
  7. Follow the on-screen installation instructions.

 

Resolution

Change the SATA Operation Setting to RAID Autodetect / AHCI in System Setup
 

To change the SATA Operation settings in the System Setup (BIOS):

  1. Reboot the system.
     
  2. Press the <F2> key immediately after the keyboard LEDs flash to enter the System Setup (BIOS).
     
  3. Press the <Up Arrow> and <Down Arrow> keys to highlight the Drives section and press the <Enter> key.
     
  4. Press the <Up Arrow> and <Down Arrow> keys to highlight the SATA Operation section and press the <Enter> key.
     
  5. Press the <Up Arrow> and <Down Arrow> keys to highlight RAID Autodetect / AHCI and press the <Enter> key.
     
  6. Press <ESC> to exit the System Setup (BIOS).
     
  7. Press the <Up Arrow> and <Down Arrow> keys to highlight Save/Exit and press the <Enter> key.

 


Article Properties
Article Number: 000145539
Article Type: Solution
Last Modified: 26 Feb 2021
Version:  3
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