What happens when Lenovo G470 fails to enter the system or start the error?

Lenovo G470 Unable to enter the system, or the solution to start the error

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Failure phenomenon:

Lenovo G470 boot screen black screen or blue screen error, unable to enter the system normal.

Solution side:

Phenomenon One: G470 start error, screen card in black background screen, there are white error information

1. First View G470 screen error information, such as the error s.m.a.r.t (as shown below), please try to back up their data, this error more for hard disk damage or abnormal, suggest you to Lenovo After-sales Service center to detect hard disk.

Lenovo official Service Outlets enquiries:

Http://support1.lenovo.com.cn/lenovo/wsi/station/servicestation/default.aspx

2. If not the scheme (1) of the black screen error, please unplug G470 all external devices (including external mouse, external keyboard, external network card, external wireless network card, USB disk, CD, mobile hard disk, etc.), and then restart the F2 into the BIOS interface (as shown below), Press F9 the pop-up window select "Yes" option to press ENTER to confirm, press the F10 key after the pop-up window select "Yes" option to press ENTER to confirm the save, the notebook computer will be restarted to observe whether the normal access to the system to use.

If the scheme (2) is finished, still go into the system, we recommend that you back up the important data on the G470 after reinstalling the system test, if the normal installation is not installed or error, please go to Lenovo service station testing hardware.

Phenomenon Two: G470 start error, screen card in the blue background screen, there are white error information

1. First View G470 screen error information, such as the error code: 0X0000007B

2. Please restart the non-stop quick tapping F2 Enter the G470 BIOS interface to change the value of SATA controller mode under Configuration to AHCI (pictured below), if the BIOS is already the option (that is, AHCI already), Then change to another option compatible, and then press the F10 button, select "Yes" press ENTER to save, the notebook will be restarted to see if there is a blue screen error, if not the error, select the screen above the "normal start" after the normal use of the G470 can be used.

If the G470 blue screen error code is not a scheme (1) error information, please restart the computer, restart and constantly hit the G470 F8 until the system menu (pictured below), select the last correct configuration login to see if the normal use, if you can enter the system can normally be used.

If the scheme (2) is invalid, please restart the G470 F8 key until the system menu (such as above), click Safe Mode, enter Safe mode, double-click the Control Panel---Uninstall program (such as figure), uninstall the recently installed software, and then restart the test.

If the scheme (3) is finished, still go into the system, we recommend that you back up the important data on G470 after the new installation system test, if the normal installation is not installed or error, please go to Lenovo Official service network detection hardware.