Sony PCG-TR2MP Hardware Manual page 67

Using your VAIO computer
Troubleshooting power management
The power management setting is not responding
Your computer's operating system may become unstable if a lower power state, such as Hibernate is
initiated, and then changed before the computer completely enters the lower power state.
To restore the computer to its normal operating stability, proceed as follows:
1 Close all open applications.
2 Press <Ctrl>+<Alt>+<Delete> simultaneously and select Restart from the drop-down list.
The computer restarts.
3 If the procedure does not work, press and hold the power button for four seconds or longer to shut
down the computer.
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