Sony PCG-GR250P Manual

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Check that the notebook is plugged into a power source and that it is turned 
on. Check that the power indicator on the front panel of the notebook 
indicates that the power is on.

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Check that the battery packs are inserted properly and that they are charged.

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If you have connected an external, optional floppy disk drive, make sure 
there is no floppy disk in the floppy disk drive.

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Confirm that the power cord and all cables are connected firmly, as 
described in the “Connecting a Power Source” section.

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If you plugged the notebook into a power strip or Uninterruptible Power 
Supply (UPS), make sure the power strip or UPS is turned on and working.

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If you are using an external display, check that it is plugged into a power 
source and turned on. Check that the brightness and contrast controls are 
adjusted correctly. See the manual that came with the display for details.

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Condensation may cause the notebook to malfunction. If this occurs, do not 
use it for at least one hour.

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Take the battery pack out of the notebook, unplug the power cord, plug it in 
again, and then turn on the power.

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When the internal backup battery is low on power, it may not start your 
system properly. The message, “Press <F1> to resume, <F2> to setup” 
appears at the bottom of the screen. Follow these steps:

Press F2. The BIOS Setup menu appears.

Set the date (month/day/year). Press Enter.

Press 

 to select System Time, and then set the time (hour: minute: 

second). Press Enter.

Press 

 to select Exit, and then press   to select Get Default Values. 

The message “Load default configuration now?” appears.

Select Yes and then press Enter.

Select Exit (Save Changes), and then press Enter. The message “Save 
Configuration changes and exit now?” appears.