Model: pcg-grt55e/b (see comment)
Category: Graphics / Video Driver
Operating System: Windows XP (Note: might work with other versions of this os.)
File: PK-000305-00-exe.000.rar
Comments:
Version: 4.4.8.1
File name: PK-000305-00-exe.000.rar
Used on the following Sony Laptop models:
PCG-GRT77E/P・GRT55E/B
PCG-GRT52E/P・GRT52E・GRT51E/P・GRT51E
PCG-GRT77/B・GRT55/B
PCG-GRT750/P・GRT750
Note: These are Japanese market laptops.
Un'rar this file to a temp folder with nothing else inside the folder.
You will have 2 files, an EXE and a SJN file. Both are required to install this driver.
Launch the EXE file by double-clicking it and follow on-screen instructions.