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boot - Why is the "USB Device" option "not present" in my Dell Optiplex BIOS? - Super User
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Quantity of 2 Desktop PCs & Monitors, 1x DELL Optiplex GX620, Intel Pentium 4 CPU @ 3.00GHz, 2.5GB RAM, 40GB, WIN XP (Verification Required) Sticker, DVD ROM, 1x 19" Dell 1905FP, No
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Vintage Dell Optiplex GX620 Series Pentium(R) 3.20GHz-No Hard Drive | eBay
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Dell Optiplex 745: How to Remove / Disable BIOS Password - YouTube
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Dell Optiplex GX620 Teardown - iFixit
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