Keyboard And Pointing Device Problems; Performance Problems - HP Pavilion ZE4200 Startup Manual

If files are corrupted
Open My Computer, select the disk you want to scan, select File > Properties.
Select the Check Now box under the Error-checking section of the Tools Tab.
Run the virus-scanning program.
If necessary, you can format the hard disk and reinstall the original factory
software using the QuickRestore System Recovery CD included with your
notebook.

Keyboard and pointing device problems

Use these suggestions for built-in or external devices.
If the pointer is difficult to control
Adjust the pointer controls: select Start > Control Panel > Printers and Other
Hardware > Mouse.
If the TouchPad doesn't work
Press the TouchPad on-off button to turn on the light.
If an external mouse is connected, the built-in pointing devices are normally
disabled. You can change this setting with the BIOS Setup utility. See
"Configuring Your Notebook" in this chapter.
Restart the notebook: select Start > Turn Off Computer > Restart.

Performance problems

For best performance, your notebook should have at least 128 MB of
memory (RAM).
If the notebook stops responding
Press CTRL+ALT+DEL and use Task Manager to end the application that is not
responding.
Press and hold the power button for at least 4 seconds to turn off and reset the
notebook. Any unsaved data will be lost. Then press the power button again to
turn the notebook back on.
Troubleshooting and Maintenance
Troubleshooting Your Notebook
Startup Guide 29