Installing Windows on ASUS x73sv

Hello,
I bought an ASUS x73SV today with no OS:

ASUS
Intel® Core™ i7-2670QM Processor (6M Cache, 2.20 GHz), Sandy Bridge
8GB DDR3 RAM (1066 MHz)
640GB, S-ATA 5400 rpm
17.3" HD [LED] blizgus (1600 x 900) 16:9
6 celių Li-lon 5200mAh
NVIDIA GeForce GT 540M 1GB


And I have problem installing OS on it.. I have tried booting win7, win xp, win 98 from cd/dvd and nothing worked. I get error message "Reboot and select proper boot device or insert boot media in selected boot device and press a key". I set 1st bootable device CD-ROM, 2nd Hard Drive in BIOS and I don't know where the problem is.. I found Lindows CD and tried to boot OS from it and suddenly it worked but obviously I don't want Lindows OS on my laptop.

Hello lukas;

What edition on Win7 did you try and load? Upgrade version?