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ex300 and Windows 7 sleep mode

post #1 of 3
2/4/10 at 5:31pm
Thread Starter 
Hey guys, just installed win 7 on an old trusty x300 (1.4Ghz PM, 640MB of RAM).

It runs great! actually, very impressed. anyway, about the only frustrating thing is that S3 or System standby is not available. its grayed out on the start menu....I have power button behavior manually mapped to standby, but it hibernates instead.

Any ideas why standby is unavailable?
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post #2 of 3
2/4/10 at 6:23pm
There is really "no" standby under Vista / Windows 7. For this you might need some Dell tweaking utilities

cheers ...
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post #3 of 3
2/4/10 at 8:45pm
Thread Starter 
Windows 7 most definately supports S3.

I found the solution with some serious googling. running powercfg -a tells all

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

powercfg -a
The following sleep states are available on this system: Hibernate
The following sleep states are not available on this system:
Standby (S1)
The system firmware does not support this standby state.
The VGAPNP.SYS display driver does not support standby. Please consult
your hardware vendor for an updated display driver.
Standby (S2)
The system firmware does not support this standby state.
The VGAPNP.SYS display driver does not support standby. Please consult
your hardware vendor for an updated display driver.
Standby (S3)
The VGAPNP.SYS display driver does not support standby. Please consult
your hardware vendor for an updated display driver.
Hybrid Sleep


System supports S3 but the video driver does not. Interesting.
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