Member Avatar for wmc1956

I have had to format our computer (eMachines W6409) and reinstall Windows XP but I can't figure out how to fix it so Standby is not grayed out. I have gone to the eMachines support website and downloaded the chipsets. One of them installed but it still is grayed out. The other one would try to install, but it would stop and say Platform not supported. Does anyone know how to fix it so that we can put it in Standby? Thank you for your help!

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Short, practical diagnostic and repair notes that complement the replies from and .

First-priority check: confirm Windows is running with an ACPI HAL. In Device Manager the "Computer" entry should read either "ACPI Uniprocessor PC" or "ACPI Multiprocessor PC". If it instead shows "Standard PC" (or ACPI entries are missing under System Devices) the OS was installed without ACPI support and Standby will be unavailable until ACPI is restored. Enabling ACPI in the BIOS (Power/ACPI settings) and reinstalling the correct motherboard chipset driver usually fixes this.

Driver/installer failures that say "Platform not supported" most often mean the wrong package or architecture was used (32-bit vs 64-bit) or the package is for a different OEM board. Install the chipset driver that exactly matches the W6409 model and the XP architecture; install chipset first, then video drivers. If the vendor installer refuses, extract the package and install the chipset INF manually via Device Manager → Update Driver → Have Disk (point to the INF).

Other useful checks before a full restore: ensure the Windows "Power" service is running and set to Automatic; confirm the display driver is the vendor-supplied one (generic VGA can block suspend); review System event logs for ACPI/power errors; run System File Checker to repair missing Windows files:

sfc /scannow

A factory restore or destructive recovery (as noted) is a valid last resort after a full backup. In most cases the sequence BIOS(ACPI) → correct chipset driver → correct display driver restores the missing Standby option without reformatting.

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Member Avatar for rch1231

Hello,

What you need is the motherboard chipset driver. It has the drivers for the CPU, memory controller and other motherboard resources. Normally it is best to install it first them any other drivers. Without it your system cannot talk to the onboard video chipset so the drivers would not install for it properly.

Member Avatar for tigerbright

Hi, appears would be a Windows system file error relating to power saving programs and as such i would suggest save all persoanl files to removable media and first execute a full destructive restore as described here to start from a clean baseline
and then evaluate standby

all recovery processes listed

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