Brand: Dell
Category: Monitor
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for P2424HT
Uploaded: Sept. 12, 2025, 4:23 a.m.
Manual Publish Date: 2023-08
Warranty Information
The warranty period is typically 24 months. Please refer to the product documentation for specifics.
Basic Operation
Power on/off the monitor using the Power On/Off button. Navigate the On-Screen Display (OSD) menu using the joystick to adjust settings like brightness, contrast, input source, and color modes. The monitor supports plug-and-play capability. It features USB-C connectivity for power delivery, data, and video signals. The articulating stand allows for tilt, swivel, height, and slant adjustments. For advanced features, Dell Display Manager software can be used to organize applications, manage input sources, and customize color settings.
Troubleshooting and error codes
| Common Symptoms | What you experience | Possible Solutions |
|---|---|---|
| No Video/Power LED off | No picture | Ensure video cable is connected and secure. Verify power outlet. Ensure power button is pressed. Select correct input source. |
| No Video/Power LED on | No picture or no brightness | Increase brightness/contrast. Perform self-test. Check video cable pins. Run built-in diagnostics. Select correct input source. |
| Poor Focus | Picture is fuzzy, blurry, or ghosting | Eliminate extension cables. Reset to Factory Settings. Change video resolution. |
| Shaky/Jittery Video | Wavy picture or fine movement | Reset to Factory Settings. Check environmental factors. Relocate monitor. |
| Missing Pixels | LCD screen has spots | Cycle power. Note: Permanent Off pixels are a natural defect. Refer to Dell Monitor Quality and Pixel Policy. |
| Stuck-on Pixels | LCD screen has bright spots | Cycle power. Note: Permanent Off pixels are a natural defect. Refer to Dell Monitor Quality and Pixel Policy. |
| Brightness Problems | Picture too dim or too bright | Reset to Factory Settings. Adjust brightness/contrast via OSD. |
| Geometric Distortion | Screen not centered correctly | Reset to Factory Settings. Adjust horizontal/vertical controls via OSD. |
| Horizontal/Vertical Lines | Screen has one or more lines | Reset to Factory Settings. Perform self-test. Check video cable pins. Run built-in diagnostics. |
| Synchronization Problems | Screen is scrambled or appears torn | Reset to Factory Settings. Perform self-test. Check video cable pins. Restart computer in safe mode. |
| Safety Related Issues | Visible signs of smoke or sparks | Do not perform troubleshooting. Contact Dell immediately. |
| Intermittent Problems | Monitor malfunctions on & off | Ensure video cable is connected. Reset to Factory Settings. Perform self-test. |
| Missing Color | Picture missing color | Perform self-test. Ensure video cable is connected. Check video cable pins. |
| Wrong Color | Picture color not good | Try different Preset Modes. Adjust R/G/B. Change Input Color Format. Run built-in diagnostics. |
| Image retention | Faint shadow from static image | Set screen to turn off after idle time. Use a screensaver. |
| Screen image is too small | Image centered, not filling entire area | Check Aspect Ratio setting. Reset to Factory Settings. |
| Cannot adjust the monitor with the joystick | OSD does not appear | Turn off, unplug power, plug back, turn on. Check if OSD menu is locked and unlock it. |
| No Input Signal when user controls are pressed | No picture, LED light is white | Check signal source. Ensure computer is not in Standby. Check video cable. Reset computer or player. |
| The picture does not fill the entire screen | Picture cannot fill height/width | Due to different video formats (aspect ratio). Run built-in diagnostics. |
| No video at HDMI/DisplayPort/USB-C port | No video when unplugging/plugging cable from notebook | Unplug HDMI/DP/USB-C from dongle, then plug directly to notebook. |
| No network connection | Network dropped or intermittent | Do not turn off monitor during network connection. Ensure latest BIOS/drivers. Ensure RealTek Ethernet Controller is installed. Check BIOS for LAN/GBE. Ensure Ethernet cable is secure. Check Ethernet cable status LED. Power cycle computer and monitor with USB-C cable. |
| The LAN port is not functioning | OS setting or cable connection issue | Ensure latest BIOS and drivers are installed. Ensure RealTek Gigabit Ethernet Controller is installed. If BIOS has LAN/GBE option, ensure it's Enabled. Ensure Ethernet cable is connected securely. Check status LED. Power cycle computer and monitor with USB-C cable. |
| Touch report error | Touch function miss alignment or no touch function | Use Dell provided USB cable. Ensure power cable has ground pin. Unplug/replug power adapter for auto-recalibration. Ensure computer supports USB 2.0 or later. Power off/on monitor or unplug/replug USB cable if display not detected. |
| Touchscreen non-responsive in standby mode | Touchscreen non-responsive in standby mode | Access Device Manager, expand HID Interface Device. Right-click HID-compliant device, Properties, select checkbox to allow device to wake computer. |
| Windows 8, 8.1, 10, 11 Calibration | Cursor does not accurately follow finger | Open Control Panel > Hardware and Sound > Tablet PC Settings. Select Calibration. Follow instructions. |
| USB interface is not working | USB peripherals are not working | Check monitor is ON. Reconnect upstream cable. Reconnect USB peripherals. Turn monitor off/on. Reboot computer. For high power devices, connect directly to computer. |
| USB-C port does not supply power | USB peripherals cannot be charged | Check connected device is USB-C compliant (supports USB 3.2 Gen1, 90W). Use the provided USB-C cable. |
| SuperSpeed USB 5 Gbps (USB 3.2 Gen1) interface is slow | SuperSpeed USB 5 Gbps peripherals working slowly or not working at all | Check computer is SuperSpeed USB 5 Gbps compatible. Ensure correct USB port is used (USB 3.2, 2.0, 1.1). Reconnect upstream cable. Reconnect USB peripherals. Reboot computer. |
| Wireless USB peripherals stop working when a USB 3.2 device is plugged in | Wireless USB peripherals responding slowly or only working as distance decreases | Increase distance between USB 3.2 peripherals and wireless USB receiver. Position wireless USB receiver close to peripherals. Use USB extender cable to position receiver away from USB 3.2 port. |