Questions & Answers for: Sony VAIO tx1

...PCG-R, PCG-SR, PCG-SRX, PCG-TR, PCG-V, PCG-VX, PCG-X, PCG-Z, VGN-B, VGN-FS, VGN-S, VGN-T, VGN-TX1, VGN-X I use http://www.unlockbiosrecovery.com/Unlock_Sony_Bios.php For $20 they use the last 7 ...