To Next PageTo Next PageWhat to do if my Acer T231H Monitor has no picture?
If your Acer monitor isn't displaying a picture, try these steps: First, use the OSD menu to maximize the brightness and contrast settings, or restore them to their default levels. Check that the power switch is turned on. Ensure the AC power cord and video signal cable are securely connected to the monitor and that your computer is powered on.
Why does my Acer T231H have an abnormal picture?
An abnormal picture on your Acer monitor might be due to a mismatch between the graphics adapter and monitor specifications, causing an input signal frequency issue. To resolve this, use the OSD to adjust the RESOLUTION, CLOCK, CLOCK-PHASE, H-POSITION, and V-POSITION settings, especially with non-standard signals. If the full-screen image is missing, try selecting a different resolution or vertical refresh timing. After adjusting the image size, wait a few seconds before changing or disconnecting the signal cable or powering off the monitor.
How to fix abnormal sound on Acer T231H Monitor?
If you're experiencing abnormal sound on your Acer monitor (audio-input model only), first check that the audio cable is properly connected to the host PC. Also, verify that the volume level on the host PC isn't set to the minimum; if it is, try increasing the volume.
General safety instructions, cautions, and critical warnings for safe operation.
Instructions on when to refer servicing to qualified personnel and avoid self-repair.
Steps and requirements for connecting the power cord safely.
Precautions against water, moisture, dust, and physical damage.
Steps for connecting cables and the correct power ON sequence.
Solutions for no picture, LED status, and amber color indicators.
Remedies for display issues like shifting, size, and frequency mismatch.
Solutions for no sound or low sound levels in audio-input models.
This document describes an Acer LCD monitor, providing comprehensive information on its function, usage, and maintenance.
The Acer LCD monitor serves as a visual display unit for computer systems. It is designed to provide clear and vibrant images, supporting various resolutions and display modes. The monitor incorporates a universal power supply, allowing operation across different voltage areas (100/120V AC or 220/240V AC) without requiring user adjustment. A key feature is its Plug and Play capability, facilitated by DDC (Display Data Channel) protocol support. This allows the monitor to automatically communicate its capabilities, such as supported resolutions and timing, to the host system, simplifying installation. The monitor supports the DDC2B standard. For certain models, the monitor also features a touchscreen function, enhancing user interaction by allowing direct manipulation of on-screen elements through gestures. This touchscreen capability is compatible with Windows 7 Ultimate, Enterprise, Professional, and Home Premium for multi-touch actions, while Windows 7 Starter and Home Basic support single-touch actions. Windows XP and Vista do not support touchscreen functions.
The monitor offers a range of features designed to optimize user experience and comfort.
The monitor's tilt can be adjusted from 5 degrees up to 60 degrees, allowing users to find an optimal viewing position. This adjustment is performed by holding the edges of the monitor with both hands.
The monitor supports multiple video input options, including VGA, DVI, and HDMI, depending on the model. Users can connect the monitor to their computer using the appropriate video cable (VGA, 24-pin DVI, or HDMI). For models with audio input, an audio cable can be connected to the computer. Additionally, some models include a USB cable connection, which is essential for enabling the touchscreen functionality. The power cord connects to a standard AC outlet. The recommended power-on sequence is to power on the monitor first, then the computer.
The monitor features an intuitive OSD menu for adjusting various settings.
Within the OSD, users can fine-tune picture quality settings:
The OSD menu also allows users to adjust the OSD Timeout, which determines how long the OSD remains visible. General settings include:
The OSD provides access to basic product information, including resolution, horizontal and vertical refresh rates, current input source, and serial number.
The monitor supports power-saving modes, indicated by an amber-colored power LED. When the display controller sends a control signal, the monitor enters "Power Saving" mode. The LED changes from blue (ON state) to orange (Power Saving Mode). The monitor remains in this state until a control signal is detected or the keyboard/mouse is activated. Recovery from Active OFF state to ON state takes approximately 3 seconds.
For models with touchscreen functionality, users can interact with the display using gestures:
The manual emphasizes user comfort and safety, providing tips to prevent eyestrain and physical injury during prolonged computer use. These include:
Proper maintenance ensures the longevity and optimal performance of the monitor.
The manual provides a troubleshooting guide for common issues:
Users are advised not to attempt servicing the product themselves, as opening covers may expose them to dangerous voltage points. All servicing should be referred to qualified service personnel. Servicing is required if the power cord/plug is damaged, liquid is spilled, the product is exposed to rain/water, the product is dropped, the case is damaged, or the product exhibits a distinct change in performance.
The manual notes that the LCD unit is produced with high-precision manufacturing techniques, but some pixels may occasionally misfire (appearing as black or red dots). This is considered normal and does not affect the recorded image or constitute a malfunction.
This comprehensive overview ensures users can effectively set up, operate, and maintain their Acer LCD monitor, addressing both common usage scenarios and potential issues.
General| 3D | No |
|---|---|
| Screen shape | Flat |
| Response time | 2 ms |
| Backlight type | - |
| Display diagonal | 23 \ |
| Native aspect ratio | 16:9 |
| Supported video modes | 1080p |
| Contrast ratio (dynamic) | 80000:1 |
| Display number of colors | 16.78 million colors |
| Viewing angle, horizontal | 176 ° |
| Display brightness (typical) | 300 cd/m² |
| Supported graphics resolutions | 1920 x 1080 (HD 1080) |
| DVI-D ports quantity | 1 |
| USB Type-A downstream ports quantity | 0 |
| Cables included | AC |
| Certification | FCC, CE |
| Product color | Black |
| AC input voltage | 110 - 220 V |
| Power consumption (standby) | 0.890 W |
| Power consumption (typical) | 35.50 W |
| Panel mounting interface | 100 x 100 mm |
| Sustainability certificates | ENERGY STAR |
Weight and Dimensions| Depth (without stand) | 82 mm |
|---|---|
| Width (without stand) | 563 mm |
| Height (without stand) | 395 mm |
| Weight (without stand) | 5942 g |
