HP Pavilion ze4900 Reference Guide - Page 78
If the Notebook Stops Responding, Power and Battery Pack Problems
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Troubleshooting ■ Some file browsers respond slowly while processing graphics or waiting for broken network connections to time out. ■ If the notebook hard drive frequently runs (as indicated by the hard drive light on the front of the notebook) while the notebook appears to be paused or running slowly, Windows is likely spending excess time writing to its swap file on the notebook hard disk. If this occurs frequently, consider installing additional memory. ■ Check the amount of available free disk space. Delete temporary and unneeded files. If the Notebook Stops Responding ■ Press ctrl+alt+del and use Task Manager to end the application that is not responding. ■ Press the power button for at least 4 seconds to turn off and reset the notebook. Unsaved data will be lost. Then press the power button again to turn the notebook back on. ■ If nothing happens, insert the tip of a paper clip into the reset button on the bottom of the notebook. Then press the power button to turn the notebook back on. ■ To avoid lockup problems, avoid pressing the TV Now! One-Touch button to switch display devices while graphic-intensive applications are running. Also avoid turning the notebook off or putting it into Standby while such applications are running. Power and Battery Pack Problems If the Notebook Turns Off Immediately After It Turns On Battery power is probably extremely low. Plug in the AC adapter or insert a charged battery pack. Reference Guide 6-15