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Optiplex GX240, BIOS A05 - Does this support USB 2.o devices and PCI Card? - Dell Community
How to Reset the BIOS on an OptiPlex GX240 | dewagdkasl
I'm trying to boot up my old family pc to play some retro games. When booting it keeps giving me this error. Any tips on how to fix this? : r/pcmasterrace
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Dell OptiPlex GX240 User Manual | Page 205 / 298
Solved Weird RAM problem with Optiplex minitower Windows 10 Forums
Mobilefish.com - Replace Windows XP with Ubuntu 14.04 on a Dell Optiplex GX260 computer using an USB stick. Includes examples.
NEW PC BIOS MOTHERBOARD CMOS BATTERY for DELL OPTIPLEX GX240 GX260 GX270 GX280 | eBay