![]() ![]() Alternatively/additionally you may make sure your system's chipset drivers are updated as the proper chipset driver can "correct" these types of issues.Find out using CPU-Z or other similar utility what the integrated video device is in your system and look for an updated driver for it as it says.I could be wrong but it's not uncommon for the generic "last resort" drivers to only support the lowest-common-denominator of features. VGA is a pre-ACPI standard that has been around since 1987, and this driver or a similar one has probably been on even old desktop NT versions of Windows from 90's, so it wouldn't be surprising if it didn't support sleep states at all. The VGAPNP.SYS sounds like a generic driver Windows selected as a last resort for your graphics card, which could happen if you removed your Nvidia drivers but didn't install the ones for your integrated video. The system firmware does not support this standby state This includes the display driver.ĭrivers for some hardware depend on ACPI functions, and this involves talking to your system's ACPI/UEFI firmware. So sleep mode involves all drivers of your system, similar to power on or power off events. Otherwise your display will be off and your CPU will be spun down, but a USB-connected or PCI-connected device for example might still be active and taking power. Windows has to talk to each hardware driver to get it to enter a low power state. Putting a system to sleep is not as simple as turning off the display and spinning down the CPU. And he's more or less asking how he still can, I'm asking why they are related. I'm aware of this question: Why is a video card needed to put my system in sleep mode? but it isn't answered. Since it's a function of windows, and graphics cards are essentially optional in some cases, I don't see why these two things should affect each other. Why is my sleep mode directly tied into my video card drivers? Which explains why it's grayed out, I think. So apparently, my ability to use sleep mode is directly tied to my video card and video drivers. Please consult your hardware vendor for an updated display driver. The VGAPNP.SYS display driver does not support standby. ![]() ![]() The system firmware does not support this standby state. (with the graphics card in, it would default to that and crash on boot up)Ī little digging around has brought me to this: C:\Windows\system32>powercfg -a The following sleep states are available on this system: Hibernate The following sleep states are not available on this system: Standby (S1) Two days ago, my Geforce GTX 480 had died and I had to remove it from the system so that I could use the onboard video dvi port to keep using my computer. Yesterday, I had removed all my Nvidia Display drivers because why did I need them without the card? In fact, I even had the 'Shut down' button changed to 'Sleep' I've been using sleep mode for years to turn my computer 'off' and only reboot or actually power down when absolutely necessary. ![]()
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