Troubleshooting your computer – Sony PCG-GRX690P User Manual
Page 174
Troubleshooting Your Computer
Why doesn't my computer start?
Make sure the computer is securely plugged into a power source and is on. Make sure the power indicator shows
the power is on. See
for more information.
Make sure the battery is inserted properly and is charged.
If you connected an external floppy disk drive, make sure the floppy disk drive is empty.
If the computer is plugged into a power strip or Uninterruptible Power Supply (UPS), make sure the power strip or
UPS is turned on and working.
If you are using an external display, make sure it is plugged into a power source and turned on. Make sure the
brightness and contrast controls are adjusted correctly. See the guide that came with your display for details.
Remove the AC adapter and battery. Wait one minute. Reattach the AC adapter and reinsert the battery, and turn
on the power.
Condensation may cause the computer to malfunction. If this occurs, do not use the computer for at least one hour.
If the computer still does not turn on, follow these steps:
1.
Unplug the power cord and remove the battery.
2.
Use a thin, straight object (such as a paper clip) to press the reset button. See "Locating Controls and
Ports" in the printed Quick Start to locate the reset button.
3.
Reinsert the power cord and the battery.
4.
Turn on the computer.
Why does a BIOS error appear when my computer starts?
If the message "Press <F1> to resume, <F2> to setup" appears at the bottom of the screen. Follow these steps:
1.
Press F2. The BIOS Setup menu appears.
2.
Set the date (month/day/year). Press Enter.
3.
Press the Down Arrow key
to select System Time, and then set the time (hour: minute: second). Press
Enter.
4.
Press the Right Arrow key
to select the Exit tab, and then press the Down Arrow key
to select Get
Default Values.
5.
Press Enter. The Setup Confirmation window appears.
6.
Select Yes, and press Enter.
7.
Select Exit (Save Changes), and press Enter. The Setup Confirmation window appears again.
8.
Select Yes, and press Enter. The computer restarts.
If this occurs on a regular basis, contact Sony Computing Support (
).
Why does the message, "Operating system not found" appear when my computer starts, and why won't Windows
start?
If you have connected an external floppy disk drive, make sure there is no disk in the floppy disk drive
(non-bootable).
If a non-bootable floppy disk is in the drive, follow these steps:
1.
Turn off the computer, and remove the floppy disk.
Page 174