Dell U2724DE UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser
Dell U2724DE Manual
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- Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 1
Service Manual - U2724DE Version: 01 Date: 2023/09/11 - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 2
the safe, reliable operation of all series products. The service providers recommended by vender should be aware of notices listed in this service manual in order to minimize the risk of personal injury when perform service procedures. Furthermore, the possible existed improper repairing method may - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 3
: 1. Go to https://www.dell.com/support. 2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page. 3. Click Contact Us next to the country dropdown. 4. Select the appropriate service or support link based on your need. 5. Choose the method - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 4
3. Wiring Connectivity Diagram Sensor Board Interface Board Joystick Board LED Board USB Board - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 5
4. How to connect and disconnect power cable/ connectivity cable WARNING: To change power cable/ connectivity cable, switch off power before unplugging the cable and replugging in required cable. Connecting the HDMI Cable Connecting the DP Cable - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 6
4. How to connect and disconnect power cable/ connectivity cable Connecting the Monitor for DP Multi-Stream Transport(MST) Function Connecting the Thunderbolt™ 4 Cable - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 7
4. How to connect and disconnect power cable/ connectivity cable Connecting the Monitor for Thunderbolt™ 4 display chain function Connecting the USB-C Cable (A to C) - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 8
4. How to connect and disconnect power cable/ connectivity cable Connecting the monitor for RJ45 - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 9
5. Disassembly and Assembly Procedures NOTE: This "Disassembly and Assembly Procedures" is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. Tool Required: List the type and size of the tools that would typically - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 10
5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to remove 13pcs S7 screws for unlocking the middle bezel with the panel. (No.1~13 screw size=M3x5, Torque=5±0.5kgfxcm) 5 7 1 6 4 2 3 8 9 13 12 11 10 Disconnect the panel lamp and LED cable from the S8 connectors, - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 11
5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to remove 4pcs screws for unlocking TBT board, then unplug the S17 TBT board away from the interface board. (No.1~3 screw size=M2.5x2.8, Torque=1±0.2kgfxcm) Remove the Mylar tape from the hooks of the S14 bracket. 3 2 1 Use a - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 12
5. Disassembly and Assembly Procedures 5.2 Assembly Procedures: Place a bracket chassis base on a protective S1 cushion, then stick 7pcs Silicon sheets on the positions as the picture below shown. Put 1pcs power board power board into the bracket S2 chassis. Turn over the interface board and - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 13
5. Disassembly and Assembly Procedures Move the middle bezel with the LED board close to S10 the panel unit, then assemble the middle bezel with the front bezel and panel module. Adjust the bracket chassis, and then use a Philips- head screwdriver to tighten 4pcs screws for locking S8 the bracket - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 14
5. Disassembly and Assembly Procedures Take 1pcs USB board and 1pcs conductive foam. Paste the conductive foam on the back of the USB board, and then locate the USB board into the the middle bezel. Use a Philips-head screwdriver to S14 tighten 1pcs screw for locking the USB unit with the middle - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 15
5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to tighten 4pcs screws for locking the rear cover with the unit. Stick S18 2pcs label on the specific positions, then insert 3pcs DP Caps into the DP out connectors. (No.1~4 screw size=M4x11; Torque=11±1kgfxcm) 2 3 4 1 Take - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 16
6. Trouble Shooting Instructions WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Self- Mode in 4 minutes. www.dell.com/U2724DE or No HDMI Cable The display will go into Standby Mode in 4 minutes. www.dell.com/U2724DE or No Thunderbolt(90W) Cable - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 17
6. Trouble Shooting Instructions NOTE: if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Self-Diagnostic Reset Others Factory Reset Select On - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 18
6. Trouble Shooting Instructions might encounter and the possible solutions: Common symptoms No video/ Power LED o No video/ Power LED on Missing pixels Stuck-on pixels Brightness problems Safety related issues What you experience Possible solutions No picture •Ensure that the video cable - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 19
6. Trouble Shooting Instructions Common symptoms What you experience Possible solutions Intermittent problems Monitor •Ensure that the . •Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing color Picture missing color •Perform - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 20
6. Trouble Shooting Instructions Product speci c problems Problem Screen image is too small Cannot card driver. •Some DP 1.1a graphics card cannot support DP 1.4 monitors. •Verify if the ThunderboltTM 4 interface of the device can support DP alternate mode. •Verify if the device required more - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 21
Trouble Shooting Instructions Problem What you experience Possible solutions No charging when using ThunderboltTM 4 connection to computer, laptop, and so on No charging •Verify if the device can support over 90 W. •Ensure that you use only Dell approved adapter or the adapter that comes with - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 22
6. Trouble Shooting Instructions Problem What you experience Possible solutions Ethernet port (RJ45) cannot connect to internet Ethernet port (RJ45) cannot connect to internet on Win 10 / Win 11 Change - Dell U2724DE | UltraSharp 27 Thunderbolt Hub Monitor – Simplified Ser - Page 23
6. Trouble Shooting Instructions Universal Serial Bus (USB) speci c problems Speci c symptoms What you experience Possible solutions USB interface is USB peripherals •Check that your display is turned on. not working are not working •Reconnect
Version: 01
Date: 2023/09/11
Service Manual - U2724DE