Microsoft KB Archive/132765

= Some Toshiba Laptop Computers Do Not Suspend Automatically =

Article ID: 132765

Article Last Modified on 1/19/2007

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APPLIES TO


 * Microsoft Windows 95
 * Microsoft Windows 98 Standard Edition

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This article was previously published under Q132765



SYMPTOMS
If you are running Windows on a Toshiba laptop computer, the computer may not automatically go into low-power suspended mode.



CAUSE
This behavior occurs because some Toshiba laptop computers monitor the interrupt request (IRQ) lines (except IRQ 0) to determine if the system is busy. Any hardware interrupt (other than 0) resets the auto-suspend timer. Windows generates interrupts that prevent these computers from going into low-power suspended mode.



RESOLUTION
To work around this behavior, suspend the computer by clicking Start and then clicking Suspend, or use the hardware switch.



MORE INFORMATION
The following Toshiba laptop computers are known to exhibit this behavior:


 * T1910
 * T2100
 * T2400
 * T4850

Additional query words: apm

Keywords: kbpowerman kbprb KB132765

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