1. The first situation, it may be because our win7 Ultimate system settings resolution is too high, so that the display can not support the resulting no signal prompt. At this time, we can solve the problem by the following operations:
Let's restart the win7 Ultimate system, then press the F8 key to enter the advanced settings menu. After that, we enter the VGA mode (low resolution). Mode), then set a lower resolution to save, enter normal mode, and then set a correct resolution.
2. If the above method can't solve the problem, it may be caused by the fault of the graphics card driver. The solution is as follows:
Let's restart ourselves first. Win7 Ultimate system, press the F8 button after booting, enter the advanced settings menu, we choose to enter the safe mode, after the normal system system, we enter the device manager window, then uninstall the graphics card driver, then restart the computer It should be able to log in normally. After logging in, let us use the driver wizard to install the appropriate driver for the graphics card.
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