Computer Malfunction

During the Windows startup process, the computer may stop responding (hang), and you may receive the following error message: *** Hardware Malfunction Call your hardware vendor for support *** The system has halted *** One of the following error messages may also be included: NMI: Parity Check / Memory Parity Error NMI: Channel Check / IOCHK NMI: Fail-safe timer NMI: Bus Timeout NMI: Software NMI generated NMI: Eisa IOCHKERR board x

This behavior can occur if a hardware component malfunctions, or if there are damaged or incompatible drivers installed. [pic]Back to the top

RESOLUTION

To try to resolve this behavior, use the following troubleshooting techniques. B...

[pic]To try to resolve this behavior, use the following troubleshooting techniques. Because Windows can display only basic error messages when hardware malfunctions occur, troubleshooting can be difficult. Most equipment problems center around the motherboard, the RAM on a motherboard or on an adapter, or the cache memory on a motherboard or on an adapter.

To troubleshoot basic hardware problems, try one or more of the following: [pic]Back to the top

Check the Memory

[pic]Remove any extra memory modules that are in the computer, leaving only the least amount that is required for the computer to start and run Windows. Restart the computer to see whether the error messages persist.

If the error does not reappear, the issue is isolated to one or more of the RAM modules that you removed from the computer. Continue to remove and replace the minimum amount of RAM required, using the memory modules that you removed. When the error returns, you have isolated the individual memory