HP Presario 18XL Maintenance & Service Guide Presario 1800/1800T Series-Mo - Page 68
TouchPad/Pointing Device Solutions, Problem, Probable Cause, Solutions, mouse
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Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 TouchPad/Pointing Device Solutions The following table lists some causes and solutions for TouchPad/pointing device problems. TouchPad/Pointing Device Problem TouchPad or mouse does not work. Probable Cause Incorrect or no device driver is installed. External mouse does not work. TouchPad or mouse does not work even though the device is enabled in Windows. The device driver is not installed in Windows. Mouse is not securely connected or is connected to an incorrect external connector. Mouse is not enabled. Cursor skips or moves abnormally when using the TouchPad. Cable is not properly seated on TouchPad board. Defective TouchPad board. Defective system board. Device driver is not correctly installed in Windows. The TouchPad needs to be cleaned. Solution(s) Install the device driver and add to the AUTOEXEC.BAT file or CONFIG.SYS file. Install the TouchPad/mouse driver in Windows. Ensure that the mouse is securely connected to the appropriate external connector. Enter mouse at the system prompt to activate the mouse device driver. Add a line in the AUTOEXEC.BAT file to automatically activate the mouse driver each time the computer is turned on or restarted. Reseat cable. Replace the TouchPad board. Replace system board. Install the appropriate device driver in Windows. Clean the TouchPad with a cloth dampened with alcohol or an ammonia-based glass cleaner. Wipe up liquid with a dry cloth. 32 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES