Fix your problems with the Sony VAIO PCG-933A Troubleshooting Page.
The Sony VAIO PCG – 933A is more commonly known as the Sony VAIO PCG – F650. This laptop was created at the end of the original F series from Sony, the last being the F690. You can find what kind of laptop you have by opening it and looking below the screen to find the general series number. The specific series number is on the underside’s Sony sticker.
The laptop has a Mobile Intel Pentium III Processor featuring Intel Speed-Step Technology and includes a hard drive, high-capacity lithium-Ion battery, floppy drive, DVD-ROM drive, integrated V.90 56K5 modem and built in stereo speakers.