I have intall windows 7 on dell gx 280 but the massag appears that your cpu is n Tags: CPUs Windows 7 Dell Last response: January 26, 2012 1:53 AM in CPUs Share asfandmaroof January 23, 2012 10:37:57 AM i have got dell gx280 modle with 3.0 ghz processer so when i installed windows 7 is gives me a massege that my cpu is not compatible with 64 bit please tell me what should i do. thanks More about : intall windows dell 280 massag appears cpu signor January 23, 2012 11:15:02 AM I would highly reccomend you upgrade your Bios to the latest version, Dell are well known for releasing models with Bios' which do not fully support the next released OS das_stig a c 87 à CPUs a b $ Windows 7 January 23, 2012 11:49:08 AM GX280 came with the old netburst Pentium 4's and are not 64-bit compatible. Related resources Dell Optiplex GX280 Upgrade Question - Forum Dell gx280 audio drivers for windows 7 free download - Forum Dell optiplex gx280 processor - Forum Looking for video card for a Dell GX280 MT - Forum RAM Upgrade for Dell Optiplex GX280 - Forum Can't find your answer ? Ask ! Get the answer abekl a b à CPUs a b $ Windows 7 January 23, 2012 11:53:07 AM You must have one of the early Pentium 4 CPUs that don't support the 64 bit instruction set. Your only choice if you really want to run 64 bit windows is to upgrade to a P4 of the "prescott" line. popatim a c 130 à CPUs a b $ Windows 7 January 26, 2012 1:53:27 AM Install Win7 - 32bit. The install divd may have come with both versions. If your didnt you can still use a 32bit install disk with your 64bit key. The key is valid for either install. Can't find your answer ? Ask ! Publish Related resources: ForumUpgrading an old beast - Optiplex gx280 CPU compatibility ForumCPU Dell GX 240 upgrade Forum8800GT & Dell GX280 PSU Check ForumUpgrading a dell optiplex gx280 or 745 ForumOptiPlex GX280 vga driver agp enabled for windows 7 ForumDell optiplex gx280 slow response when saving a word document ForumDell optiplex gx 520 drivers for windows 7 audio ForumAudio Drivers for Dell Optiplex GX 620 for Windows 7 Ultimate ForumPSU Help ForumCan i have two network adapters on my pc Forum[Solved] Dell Dimension 8300 64bit help ForumMicrophone is picking up output audio that my headset is receiving ForumANYONE KNOW WHERE I CAN FIND 500 watt power supply that will fit a dell gx 620 d ForumMy Dell latitude leptop doesn't start up Forum[Solved] Are there any PSU's that fit into the Antec Sonata case besides stock? More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !