How to fix Acer X1226AH Projector image with vertical flickering bar?
- DDustin BrownSep 10, 2025
Use "Frequency" to make an adjustment. Check and reconfigure the display mode of your graphics card to make it compatible with the projector.

How to fix Acer X1226AH Projector image with vertical flickering bar?
Use "Frequency" to make an adjustment. Check and reconfigure the display mode of your graphics card to make it compatible with the projector.
Why is the screen of my notebook computer not displaying my presentation on Acer X1226AH?
If you are using a Microsoft® Windows® based notebook: Some notebook PCs may deactivate their own screens when a second display device is in use. If you are using an Apple® Mac® OS based notebook: In System Preferences, open Display and select Video Mirroring "On".
How do I fix a reversed image on my Acer Projector?
Select "Image --> Projection Mode" on the OSD and adjust the projection direction.
What does it mean if Acer X1226AH lamp burns out or makes a popping sound?
When the lamp reaches the end of its useful life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced.
| Number of colors | 1.073 billion colors |
|---|---|
| Native aspect ratio | 4:3 |
| Projection distance | 1 - 11.8 m |
| Projection technology | DLP |
| Supported aspect ratios | 4:3, 16:9 |
| Contrast ratio (typical) | 20000:1 |
| Screen size compatibility | 23 - 300 \ |
| Projector native resolution | XGA (1024x768) |
| Keystone correction, vertical | -40 - 40 ° |
| Vertical synchronization (max) | 0.12 kHz |
| Vertical synchronization (min) | 0.024 kHz |
| Horizontal synchronization (max) | 100 kHz |
| Horizontal synchronization (min) | 15 kHz |
| Full HD | No |
| Analog signal format system | NTSC, PAL, SECAM |
| Supported graphics resolutions | 1024 x 768 (XGA), 1920 x 1200 (WUXGA) |
| Focus | - |
| Throw ratio | 1.94 to 2.16 |
| Zoom capability | Yes |
| Focal length range | 21.85 - 24.01 mm |
| Aperture range (F-F) | 2.41 - 2.53 |
| Lamp type | OSRAM |
| Lamp power | 220 W |
| Lamps quantity | 1 lamp(s) |
| Light source type | Lamp |
| Service life of light source | 6000 h |
| Service life of light source (economic mode) | 7000 h |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| Noise level | - dB |
| Projection modes | Ceiling, Front, Rear |
| Compatible operating systems | Mac PC Windows PC |
| RMS rated power | 3 W |
| Placement | Ceiling |
| Product type | Standard throw projector |
| Product color | Black |
| Power source | AC |
| AC input voltage | 100 - 240 V |
| Power consumption (standby) | - W |
| Power consumption (typical) | 275 W |
| Power consumption (economy mode) | 205 W |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 0 - 80 % |
| Weight | 2800 g |
|---|
Covers product handling, power, accessibility, and general warnings.
Details on using electricity, grounding, and when to seek service.
Basic do's and don'ts for using the projector and general precautions.
Guides on how to connect various devices to the projector.
Step-by-step instructions for turning the projector on.
Detailed procedure for shutting down the projector safely.
How to access and use the installation menu for setup.
Intelligent color optimization, blue light reduction, and preset viewing modes.
Enabling security features and setting idle timeouts.
Setting and managing user and administrator passwords.
Power saving, altitude adaptation, and shutdown modes.
Enabling and configuring DLP 3D projection features.
Solutions for common projector problems and issues.
Instructions for lamp replacement by qualified technicians.
Guides on how to securely install the projector on a ceiling.
Lists supported VGA resolutions and timing modes.
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