You may observe that some newer model systems (OptiPlex 790, 7010 & 9010 desktop & mini-tower system models for example) will not Wake-On-LAN (WOL) from a power off state.
Modern improvements in power management of computer systems have caused problems for some system users as the newer model systems do not react to Wake On LAN requests in the same manner as older models due to WOL behavior changes in the Windows operating system. These changes include:
There are now multiple system, device power states and proper configuration of the system power state will determine success in waking the system from LAN. The many Dell systems have a BIOS Deep Sleep Control option that must be disabled before configuring the operating system power management settings to Wake-On-LAN. Boot the system and press F2 at the Dell Splash Screen to enter the system setup. Expand the power management section and highlight the Deep Sleep Control. Click DISABLED save settings and exit the system setup.
Once the Unified Extensible Firmware Interface (UEFI) system setup is configured, then all that remains is to configure the Windows 10 system shutdown to the required power state. To configure the power button to shutdown then system to Wake-On-LAN states complete the following steps:
These systems should wake from the System Power States: Sleep (S3) or Hibernate (S4). The SHUTDOWN (S5) power state is not supported in Windows 7 and SHUTDOWN (S5) and Hybrid SHUTDOWN (S4). These power states require support from system BIOS level to wake from Lan.Back to Top
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10 4月 2021