Right-click Computer or My Computer, turn on Computer Management, and find Device Manager to see if there are any problem symbols in the Device Manager. such as small series to open their own computer Device Manager, found that other devices in the unknown device display exclamation point, which means that the unknown device needs to be repaired. Note: Unknown equipment for the small knitting computer radiator connection equipment.
1. The Red Cross number in the equipment management
When a hardware device in Device Manager displays a red fork, this means that the device has been deactivated, may have been disabled for the device, and the Red Fork can be ignored if the hardware device is used less frequently. If you want to re-enable the device, right-click the device and select the Enable command.
2. The yellow question mark or exclamation number in the equipment management
If you see a yellow question mark or exclamation point before a device, the former indicates that the hardware was not recognized by the operating system, which means that the hardware does not have a driver installed or the driver is not installed correctly.
When the Device Manager appears in the question mark or exclamation point, do not panic, driving life can be a key to solve the problem.
The Device Manager in the small series has an exclamation point in the unknown device. Turn on driving life, detect computer driver, detect an unknown device need to repair, this is the Device Manager with unknown device exclamation point is corresponding. At this point, follow the prompts that drive life, select "Fix Now".
Wait to drive life. Download and install drivers for unknown devices, during which time no action is required.
After a few minutes, drive life shows unknown device driver repair successful, while opening Device Manager can also be found, unknown device exclamation point is not. Drive life successfully fixes the drive for unknown devices.
Whether an exclamation point or a question mark appears in the Device Manager, you can use a key to the driver's life to solve it.