I am trying to install windows 7 through bootable usb, but my Lenovo laptop core I3 20236 is not detecting USB in start. Currently windows 8 is installed in this laptop. I am not able to find boot manager in this laptop.
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What is the default boot order? It is a setting in BIOS. Have you tried pressing F12 to open the boot menu?– DempaJul 19, 2015 at 18:38
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I am not able to find boot manager in this laptop. I have tried by pressing F12, but it just enhances brightness– saifJul 19, 2015 at 18:40
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Have you tried pressing F12 when you see the Lenovo logo at start up?– DempaJul 19, 2015 at 18:40
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yes, it only increases brightness,– saifJul 19, 2015 at 18:42
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Somewhere on your keyboard, usually in the lower left corner of the keyboard you have a key that says "Fn". Hold that key and press F12 at start up and see what happens?– DempaJul 19, 2015 at 18:43
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1 Answer
Windows 8 uses a hybrid shutdown that bypasses the BIOS (UEFI) startup mechanism. First you must shut down completely e.g. open a CMD prompt and type
shutdown /f /s /t 0
Then, before restarting the computer, hold down the key used to go to BIOS: see the G500 manual and this Lenovo tech note.
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I have pressed F12 with Fn key. Now it shows 3 options. 1. Window Boot Manager () 2. EF I Network for IPV 4 3. EF I Network for IPV 6. Here only first option works while others two didn't. when I hit enter key with first option it started window 8.– saifJul 19, 2015 at 19:15