Upgrade 32 bit windows 7 rc to 64 bit? help

i recently installed windows 7 on my old computer. (same harddrive i use now) it was the 32 bit version. and i recently just built a new pc. but using the same old hard drive. but i now have more than 3.25 gb of memory so i want to isntall 64 bit to get use of all of it. i tried to run the 64 bit installer in windows but its says it cannot run it as im using 32 bit. so i booted the 64 bit version. it said something about my dvd drive driver or something? which is understandable as i just bought a new drive and got it today becausemy old one was not functioning. and i didnt install the drivers. once i restarted my computer i installed it. but i havent tried to reboot the dvd of 64 bit windows7 yet.

so i would like to know if i would have to format my partition im installing on.

and that all of my current apps work with 64 bit. which i heard they do.


Current setup:

AMD Phenom 2 x2 550 black edition. overclocked to 3.8ghz
Radeon HD 2600xt
4 gb G.Skill 800mhz
ASUS M4A78 plus mobo
Dualboot Windows 7 RC 32bit and XP pro
11 answers Last reply
More about upgrade windows help
  1. The only upgrade path from 32 bit to 64 bit = format and freah install of 64 bit OS.
  2. You can't upgrade from 32 to 64bit, you will need to save your files and format the partition for a clean instalation, a clean install is always best anyway.
  3. Windows 7 is on DVD. In BIOS, set the first boot device to DVD/CD place the OS DVD in the tray and Save and Exit. After the machine boots 'press any key to boot from DVD' wil appear. Press any key to begin loading the OS.

    Be sure to downlaod and burn a correct copy of Windows 7 RC.

  4. Yes i know that. And i already did. my pictures give proof that i got into windows 7 setup. its those pics that i need help with. its asking for my dvd drive drivers. and i dont have any. it just installed. i dont know.and yes. i downloaded the right copy.
  5. help :(
  6. Bad Burn - Re-burn the .iso at SLOW speed and try again
  7. really? ok sounds good. if it works thanks man. i plan on making this site my new home :D
  8. it worked! thanks dude! im on 64 bit windows 7 now :D!!! your the best.

  9. me too i have the same problem with you. but the only difference my OS is windows XP. im installing a win 7 64 bit, but when i boot it in the dvd, it said there that it cannot open to dos..

    what can i do to that problem?

  10. install windows xp and then install windows 7.....that is the only solution.
    i spent 3 days on it and read lot of blog and tried many option but.....no postive result.

    so finally install win xp and then install win7..........
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