About The Computer And Software; My Computer Does Not Start - Sony Vaio Troubleshooting Manual

4-675-412-11.book Page 10 Friday, April 11, 2003 3:01 PM

About the computer and software

My computer does not start

❑
Check that the computer is plugged directly into a power source (without an extension cord) and that it is turned
on.
❑
Check the power socket is working by testing it with another device (e.g. a lamp or radio).
❑
Check that the computer's power indicator indicates that the power is on.
❑
Confirm that the power cord and all cables are connected firmly.
❑
If you have plugged the computer into an Uninterrupted Power Supply (UPS), make sure the UPS is turned on and
works.
❑
Unplug all external devices and cables, including the Internet connection.
❑
Remove any extra memory modules you may have inserted since purchase.
❑
Moisture condensation may have occurred. Do not use the computer for at least one hour and then turn it on.
❑
If you are using an external display, check that it is plugged into a power source and turned on. Check that you
have switched to the external display and that the brightness and contrast controls are correctly adjusted.
❑
If you cannot start Windows
❑
Notebooks only:
❑
Check that the battery pack is inserted properly and that it is charged. If it is and you still cannot start the
computer, take out the battery and make sure your computer is running on the AC power supply only.
❑
Check that you are using the supplied Sony AC adapter.
❑
Check cables for signs of wear and tear (which can occur if the cable is twisted around the AC adapter during
transport).
❑
Alternatively:
1. Unplug all external devices and cables, including your external mouse and the Internet connection.
2. Remove the battery then hold the power button down for 10 seconds to make sure the system is off.
3. Try to restart again with the AC adapter.
10
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, make sure there is no floppy disk in the (external) floppy disk drive.