Okay, I'm screw, ever since last night, my HP ask me (yes she did) if I want to switch my graphic (I have dual graphic one is intel and one is ATI mobility Radeon), I click okay to switch to power saving graphic intel, and so the screen blacks out. It never respond after black out, I made hard restart and screen freeze at the win 7 icon. No lucky, I hard press again and start up to ask me if I want to scan for my previous startup problem, I did and it tried fixing the problem til next morning. No luck, give me a choice of to do a HP recovery or system recovery, some how I must have accidentally click on HP recovery and preceded to click through all the warnings, til it was at 1% then I realized that it was going to delete all my DATA!!!!!! Well, I was still very sleepy when I decided to terminate that recovery...by power shut down. So power up: "BOOTMGR is Missing Press Crtl-Alt-Del to restart" I went through F11 system recovery to try and see if I can still recover, but no luck, later i tried some steps in cmd window: bootrec/fixmbr bootrec/fixboot bootrec/rebuildbcd bootrec/scanos got error says I have zero OS installed! Bcdboot c:\windows also give me failure when attempting to copy boot files I restarted, try and try again, but now it won't even let me into system recovery says "BOOTMGR is missing" now I can't even access my command to try some recovery without totally deleting my files.... I tried burning a win7 ultimate iso to a DVD and try boot from there but it says no OS system found. My computer is HP touchsmart with switchable graphic, HP has a recovery partition that can restore my computer but I don't know how to access it now. Can't get pass the screen of BOOTMGR is missing... I learn my lesson don't touch computer til im fully sober. I may have done the DVD bootable wrong. And now I NEED EXPERT HELP! MY NOVICE SKILL HAS TAKEN ME NO WHERE, PLEASE EXPERTS REPLY WITH INSTRUCTIONS.......... My original system is win 7 home premium 64x, but all I have at my disposal is a copy of win 7 ultimate 64x. Some specs of my computer: HP touchsmart with switchable graphic, intel i5 and ATI mobility Only has one OS: Windows 7 Home premium 64x Has HP recovery partition, and 300GB of other space. have this InsydeH20 Setup Utility Rev. 3.5 and currently all I can do is do some random scans.. Primary hard disk self test, and then memory test, I don't expect to see any problems since I have this done with in the HP system recovery environment..