Compaq 12XL325 Presario 1200 Series Models XL101-XL113, XL115, XL118-XL127 - M - Page 69
Solving Hardware Installation Problems, Solving Keyboard/Numeric Keypad Problems, Problem
UPC - 720591465094
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Presario 1200 Series Models: XL101-XL113, XL115, XL118-XL127 Solving Hardware Installation Problems Some common causes and solutions for hardware installation problems are listed in the following table. Solving Hardware Installation Problems Problem Probable Cause Solution(s) A new device is not recognized as part of the computer system. Cable(s) of new external device are loose or power cables are unplugged. Power switch of new external device is not turned on. Ensure that all cables are proplerly and securely connected. Turn off the notebook, turn on the external device, then turn on the notebook to integrate the device with the computer system. Device is not seated properly. Turn off the notebook and reinsert the device. Solving Keyboard/Numeric Keypad Problems Some common causes and solutions for keyboard/numeric keypad problems are listed in the following table. Solving Keyboard/Numeric Keypad Problems Problem Probable Cause Solution(s) Embedded numberic keypad on notebook keyboard is disabled. Num Lock function is not enabled. Embedded numeric keypad is disabled and Num Lock function is on. External numeric keypad is connected to the notebook. Press the Shift+NumLk keys to enable the Num Lock function and embedded numberic keypad. The Num Lock light on the notebook turns on. Disconnect the external numeric keypad from the notebook. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES TROUBLESHOOTING 27