Most intel cpus were 64-bit-capable by the time the gx620 was marketed. if not, you can buy a used 64-bit cpu on ebay for a few dollars. fyi i bought a gx620 used on ebay and it was 64-bit; it is running windows 8.0 64-bit.. Re: dell optiplex gx620 and windows 10, thoughts? i have gx620 running 64 bit win 7 with original d640 processor which is not compatible with 64 bit win 10. what processor did you upgrade to ?. Well, if you are worried about whether these are free or not, you don’t need to worry at all. these dell optiplex gx620 drivers for windows 7 64-bit on our website are absolutely free to download for you..
Download dell optiplex gx620 drivers for windows 7, 8.1, 10, just update dell optiplex gx620 drivers for your device now!. I have a optiplex gx620 with bios version a11 and integrated 198x audio. i have installed windows 7 on the system and it works fine with exception of audio. in recording device panel of sound, it does not show aux or stereo mix adapters as active. is dell planning on issueing an driver update after. Although there is no official windows 7 audio drivers on dell download support for this desktop model, there is solution: here is audio driver for windows 7 32 bit version: windows 7 32 audio.