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According to Lenovo, try this:<br />
<br />
Take out the battery, power lead and any other peripherals attached to the laptop. &nbsp;Press and hold down the power key for 10 seconds. &nbsp;Plug in the power lead only (No battery apparently).<br />
<br />
According to this advice F2 enters the BIOS. &nbsp;However F12 gives you a choice of boot device.<br />
<br />
Let us know how you get on.
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According to Lenovo, try this:

Take out the battery, power lead and any other peripherals attached to the laptop.  Press and hold down the power key for 10 seconds.  Plug in the power lead only (No battery apparently).

According to this advice F2 enters the BIOS.  However F12 gives you a choice of boot device.

Let us know how you get on.

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It doesn't &nbsp;seem to work
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Reading the comments it seems that the only consistent key is F12 for boot choice.<br />
<br />
Have a look at this:<br />
<br />
<a href="http://support.lenovo.com/us/en/documents/ht076906" rel="ugc">http://support.lenovo.com/us/en/documents/ht076906</a>
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Reading the comments it seems that the only consistent key is F12 for boot choice.

Have a look at this:

http://support.lenovo.com/us/en/documents/ht076906 [http://support.lenovo.com/us/en/documents/ht076906]

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did you disable Safe Boot? &nbsp;if not here the steps : <br />
&nbsp;Follow these steps to disable Secure Boot in the BIOS.<br />
<br />
1.Turn on the computer and immediately press the F10 key repeatedly, about once every second, until the Computer Setup Utility opens.<br />
2.Use the right arrow key to choose the Security menu, use the down arrow key to select Secure Boot Configuration, then press Enter.
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did you disable Safe Boot?  if not here the steps :
 Follow these steps to disable Secure Boot in the BIOS.

1.Turn on the computer and immediately press the F10 key repeatedly, about once every second, until the Computer Setup Utility opens.
2.Use the right arrow key to choose the Security menu, use the down arrow key to select Secure Boot Configuration, then press Enter.

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I need to boot a Hirens cd to reset a pasword.<br />
<br />
f6 gets me a boot menu but it does let me move the arrows to select anything.
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I need to boot a Hirens cd to reset a pasword.

f6 gets me a boot menu but it does let me move the arrows to select anything.

cant get into bios to change boot sequence or get boot menu on G510s touch lenovo with windows 8

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.