Registry Home > Windows > Troubleshooting

PCMCIA Network Power Management (Windows 95/98/Me)

When using a PC Card network adapter you might not be able to connect the computer to the network, and under Control Panel > System there is a yellow exclamation mark "!" next to the card.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find the key below.

Modify the value named "EnablePowerManagement" and change it to '0' based on the following:

  • If the current value is '01 00 00 00' change it to '00 00 00 00' (Full Version).
  • If the current value is '0x00000001 (1)' change it to '0x00000000 (0)' (Upgrade Version)
Restart Windows for the change to take effect.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|EnablePowerManagementREG_DWORD0x00000000 (0)|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\VCOMM]
Value Name: EnablePowerManagement
Value Data: (0 = disable, 1 = enable)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: May 14, 2002