
| Problem | Possible Cause | Possible Solutions | |
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| You have installed an exter- | Your external device is | 
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| nal keyboard or mouse, and | not properly installed. | 
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| it does not seem to work. | 
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| Your operating system | Check your device and operating system documentation and acti- | ||
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 | software is not set up | vate the proper driver. | |
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 | with correct software | 
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 | driver for that device. | 
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| You have connected an | Your operating system | Check your device and operating system documentation and acti- | |
| external keyboard or a | software is not setup | vate the proper driver. | |
| mouse and it seems to be | with correct software | 
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| locking up the system. | driver for that device. | 
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| 
 | Your system has | Try to restart your notebook. I | |
| 
 | crashed. | 
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| Memory Problems | 
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Your Power On screen does not show the correct amount of installed memory.
| Your memory upgrade | Remove and  | 
| module is not properly | ory Upgrade Module” on page 86. | 
| installed. | 
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| You have a memory | Check for Power On Self Test (POST) messages. See “Power On | 
| failure. | Self Test Messages” on page 114. | 
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Modem Problems
Messages about modem operation.
Messages about modem operation are generated by which- ever modem applica- tion is in use.
See your application software documentation for additional infor- mation.
