Lenovo C27-40 User Manual

Chapter 3 Reference information 3-5
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft Windows 10, Microsoft
Windows 11.
Installing the monitor driver in Windows 10
To use the Plug and Play feature in Microsoft Windows 10, do the following:
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then turn on the computer. Allow your computer to boot into
Windows 10 operating system.
4. From the Lenovo website http://support.lenovo.com/docs/c27_40, find the corresponding
monitor driver and download it to a PC to which this monitor is connected (such as a
desktop).
5. On the Desktop, move mouse to bottom-left corner of screen, right-click choose Control
Panel, then double click the icon of Hardware and Sound, and then click Display.
6. Click the Change the display settings tab.
7. Click the Advanced Settings button.
8. Click the Monitor tab.
9. Click the Properties button.
10. Click the Driver tab.
11. Click Update Driver, then click Browse the computer to find the driver program.
12. Select “Let me pick from a list of device drivers on my computer”.
13. Click the Have Disk button. By clicking the Browse button, browse and point to the
following path:
X:\Monitor Drivers\Windows 10
(where X indicates "the folder in which the downloaded driver is located" (such as
a desktop)
14. Select the “C27-40.inf” file and click the Open button. Click the OK button.
15. In the new window, select Lenovo C27-40 and click Next.
16. After the installation is complete, delete all downloaded files and close all windows.
17. Restart the system. The system will automatically select the maximum refresh rate and
corresponding Color Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality.
Lenovo recommends using either 1920 x 1080 at a refresh rate of 60 Hz, or 640 x 480 at
a refresh rate of 60 Hz.

Lenovo C27-40 Specifications

General

Panel type	VA
Color depth	8 bit
Color gamut	72 %
Pixel pitch	0.311 x 0.311 mm
Screen shape	Flat
Pixel density	81 ppi
Display diagonal	27 \
Anti-glare screen	Yes
Display technology	LED
Native aspect ratio	16:9
Maximum refresh rate	75 Hz
Response time (fast)	4 ms
Viewable size, vertical	336.3 mm
Contrast ratio (dynamic)	3000000:1
Contrast ratio (typical)	3000:1
Display number of colors	16.7 million colors
Viewable size, horizontal	597.8 mm
Display brightness (typical)	250 cd/m²
AC input voltage	100 - 240 V
Power supply type	Internal
AC input frequency	50 - 60 Hz
Power consumption (max)	28 W
Power consumption (off)	0.3 W
Power consumption (standby)	0.5 W
Power consumption (typical)	20 W
Certification	RoHS TÜV Rheinland Eye Comfort
Product color	Black
AMD FreeSync type	FreeSync
Compatible operating systems	Windows 10, Windows 11
HDMI version	1.4
Headphone connectivity	3.5 mm
Tilt angle range	-5 - 22 °
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
Cables included	AC, HDMI
HDMI cable length	1.8 m
Package depth	456 mm
Package width	154 mm
Package height	716 mm
Package weight	6600 g

Weight and Dimensions

Bezel width (side)	2 mm
Depth (with stand)	209.5 mm
Width (with stand)	614.1 mm
Height (with stand)	454.4 mm
Weight (with stand)	4800 g
Bezel width (bottom)	28.1 mm
Depth (without stand)	45.5 mm
Height (without stand)	374.5 mm
Weight (without stand)	4000 g