Troubleshooting
Why does a window appear to notify of incompatibility of the battery pack or improper connection to the computer and an operating mode shift to Hibernate?
❑This symptom could be due to the battery pack not being installed properly. To resolve this symptom, switch off the computer and remove the battery pack. Then install the battery pack to the computer again. For details, see Installing the Battery Pack (page 19).
❑If the symptom persists after performing the above, it means the installed battery pack is not compatible. Remove the battery pack and contact an authorized Sony Service Center. To find the nearest center or agent, visit the Sony online support Web site.
Why is the sound of my computer's fan so loud?The computer's fan may be running at a high speed to cool the CPU. By lowering the CPU speed, you also lower the speed and noise level of the computer's fan. You can use the power schemes to lower the CPU speed.
To lower the CPU speed using the power schemes*
1Click Start and then Control Panel.
2Click Performance and Maintenance, and click Power Options. The Power Options Properties window appears.
3Select Portable/Laptop in the Power schemes box.
4Click Apply.
5Click OK.
*Available on selected models only.