Ramy Posted December 19, 2020 Share Posted December 19, 2020 Hi all, Please, is there any one can help , I leave you the link for my bios backup, it is the A21 bios for Dell 3558 (SN-3NX9ZD2), https://www.sendspace.com/file/dolwvd official bios : https://dl.dell.com/FOLDER06384835M/1/3458A21.exe to unlock the hidden options in the bios thank you so much Quote Link to comment Share on other sites More sharing options...
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