Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Keyboard/Numeric Keypad Solutions
Some causes and solutions for keyboard/numeric keypad problems are listed in the following table.
Keyboard/Numeric Keypad
Problem |
| Probable Cause |
| Solution(s) |
Embedded numeric |
| Num Lock function is not |
| Press the Shift+NumLk keys to |
keypad on Notebook |
| enabled. |
| enable the Num Lock function and |
keyboard is disabled. |
|
|
| embedded numeric keypad |
|
|
|
| (Num Lock light à is on). |
|
|
|
|
|
Embedded numeric |
| External numeric keypad is |
| Disconnect the external numeric |
keypad is disabled and |
| connected to the Notebook. |
| keypad from the Notebook. |
Num Lock function is |
|
|
|
|
on. |
|
|
|
|
|
|
|
|
|
Memory Solutions
Some causes and solutions for memory problems are listed in the following table.
| Memory |
| |
Problem | Probable Cause | Solution(s) | |
|
|
|
Memory count during
“Out of Memory” message is displayed on the screen or insufficient memory error occurs during operation.
Optional memory expansion card is installed incorrectly, is incompatible with the Notebook, or is defective.
System ran out of memory for the application.
Too many TSR
Ensure that the optional memory expansion card is installed correctly, and then restart the Notebook.
Check the application documentation for memory requirements.
If necessary, install additional memory.
Remove from memory any TSR applications you do not need.
PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES | TROUBLESHOOTING 27 |
