To check your BIOS version from the Command Prompt, hit Start, type “cmd” in the search box, and then click the “Command Prompt” result—no need to run it as an administrator.If you purchased a pre-built computer instead of building your own, head to the computer manufacturer’s website, look up the computer model, and look at its downloads page. Your BIOS download probably comes in an archive—usually a ZIP file. Inside, you’ll find some sort of BIOS file—in the screenshot below, it’s the E7887IMS.140 file.The archive should also contain a README file that will walk you through updating to the new BIOS.Slide the HDD 2 to the right until it’s disconnected from the motherboard and remove it. These laptop has three antenna cables but only two are used.
One of the antenna cables connected to the main contact on the wireless card and the second one is connected to the auxiliary contact.
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