Have you connect right ?. Length: 1m. You can toggle the 720p/1080p switch on the product to set it to 720p output mode, which can improve the compatibility of the productCommon usage faults and solutions.
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HDMI to DVI cable Adapter BI-Direction DVI to HDMI or HDMI to DVI converter adapter for PC Laptop Monitor HDMI in to DVI out
Aliexpress UK
The HDMI duplicator works seamlessly with HDMI output devices like monitors, HD TVs, and projectors. NOTE: does not support extended mode (different content on 3 displays).
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DisplayPort to HDMI 2.0 Adapter Cable 4K 60Hz DisplayPort 1.4 to HDMI 2.0 adapter for PC laptop to HDMI out 4K DP to HDMI
Aliexpress UK
HDMI to RCA AV Adapter: Easily convert HDMI signals to RCA AV (CVBS 3RCA) for use with older TVs, projectors, and other devices. Convert your modern HDMI signals to RCA AV output effortlessly with our HDMI to RCA AV Adapter.
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QGeeM USB C to HDMI Adapter 4K Cable, USB Type-C to HDMI Adapter Thunderbolt 3 4 Type C HDMI Adapter for Laptop MacBook Pro Air
Aliexpress UK
New generic HDMI Male to 3 RCA Audio Video AV Component. - Supports: 480i, 480p, 720p, 1080i, 1080p resolution. - As HDMI carries digital signals while RCA carries analog signals. If both input / output device do not support signal conversion, a signal conversion box is required.
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RCA To HDMI Converter with USB Cable 1080P AV To HDMI Adapter AV2HDMI AV/CVSB To HDMI-compatible AV To HDMI Switch HD-MI Adapter
Aliexpress UK
This HDMI splitter cable allows you to connect one HDMI source to two display devices. HDMI splitter cable with 1 male input to 2 female outputs. Product Type HDMI Splitter Cable. 1 x HDMI 1 Male to 2 Female Splitter Cable.
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Vention 2.0 HDMI Extender Adapter HDMI Female to Female Connector 4k HDMI Extension Converter Adapter for PS4 Monitor HDMI Cable
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Expand your connection capabilities with this DisplayPort to HDMI adapter. This versatile cable allows you to connect a device with a DisplayPort output, such as your computer, to an HDMI display, like a monitor or TV.
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RCA To HDMI-compatible Converter with USB Cable 1080P AV To HDMI Adapter AV2HDMI AV/CVSB To HDMI AV To HDMI Switch HD-MI Adapter
Aliexpress UK
Connect the video output of an HDMI enabled Desktop or Laptop to a DVI display, or from DVI source device to an HDMI display. Key Features • High Quality HDMI to DVI-D Dual Link Cable • Connect an HDMI source device to a DVI-D display or a DVI-D source device to an HDMI display • Bi-direction adapter cable, HDMI to DVI or DVI to HDMI • Support 1920x1200 1920x1080 (1080P Full HD) resolution *Sound will not be sent via this cable, it is picture only. Sound will require an additional cable*.
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USB 3.0 To HDMI USB To Dual HDMI Converter 1080P One To Two USB To HDMI Adapter Plug and Play Aluminum Alloy HDMI Adapter Cable
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VersatileHDMI to USB adapter cable designed for convenient connection between devices. 1 × 50cm HDMI to USB Adapter Cable. 50cm cable length for flexible use. HDMI female + HDMI male to USB 2.0 male.
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4K@60Hz HDMI Cable 2K@120Hz HDMI-Compatible Cable 18Gbps Adapter for PS5 PC eARC HDR Apple Splitter Switch HDMI 2.0 Cables
Aliexpress UK