Why won’t the screen turn on with only an HDMI or USB-A cable?

HDMI carries video and USB-A provides power. Both are needed for the display to work. If the display shows “No Signal” after connection, try reconnecting the HDMI cable.

Screen shows "No Signal" even with a Type-C cable. Why?

This means your laptop’s Type-C port only supports power (not video). Connect an HDMI cable to the extender’s dedicated HDMI port to provide video signal. That screen will now require two cables (Type-C for power + HDMI for video)

Why does the screen show "Power Saving Mode," flicker, or stay black?

Your laptop may not support powering three screens at once. Fix this by plugging a USB to Type-C cable from the extender's Type-C port into a 5V/2A power adapter for extra power.

Is this compatible with MacBook M1/M2/M3/M4/M4 Pro chips?

These chips support only two screens (including the laptop display). To add a third, use a compatible dock like the Kefeya H5-T (Search: B0DF7CG7MC).It can also convert a USB-A or non-full-function Type-C port into a video output source.

How can I get further help?

Find detailed steps in the user manual or click the seller’s name on the product page to message us directly. We’ll respond promptly—if you don’t hear back, you may have contacted the wrong support channel.

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KEFEYA ノートパソコン画面エクステンダー FHD 1080P IPS ノートパソコン用ポータブルモニター

Product ID: 726294379

Details

ブランド
KEFEYA
画面サイズ
14.2 インチ
画面表面の説明
光沢
縦横比
16:9
解像度
FHD 1080p

🎒Portable with premium carrying case

🔌Plug & Play Type-C/HDMI/USB-A

🖥️14.2-inch FHD IPS display

€ 794.76

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

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Description

🚀 Double your screen, double your impact — work smarter, anywhere!

DESIGNED FOR ON THE GO PROS - Lightweight yet durable with a premium carrying case, perfect for remote work, travel, and seamless transitions.
EXPAND YOUR WORKSPACE ANYWHERE - Transform any spot into a multi-screen productivity hub with a sleek 14.2-inch FHD IPS display.
EFFORTLESS SETUP ZERO DOWNTIME - Plug & play with included Type-C, HDMI, and USB-A cables—no drivers needed for instant multi-device compatibility.
ERGONOMIC COMFORT MEETS PRODUCTIVITY - Adjustable kickstand with 0-90° tilt reduces neck and eye strain during marathon work sessions.
UNIVERSAL COMPATIBILITY MAXIMUM FLEXIBILITY - Works flawlessly with Windows, Mac, Switch, PS4, Xbox One, and more—your ultimate multi-screen solution.

The KEFEYA 14.2-inch portable laptop screen extender features a vibrant FHD 1080p IPS display with a 1500:1 contrast ratio and 180° viewing angle. It supports plug-and-play connectivity via Type-C, HDMI, and USB-A ports, compatible with major OS and gaming consoles. Designed for mobile professionals, it folds compactly into a premium carrying case and offers ergonomic tilt adjustment for comfortable extended use.

Specifications

ASIN	B0CPL3R2ZX
Amazon 売れ筋ランキング	パソコン・周辺機器 - 362,018位 ( パソコン・周辺機器の売れ筋ランキングを見る ) ディスプレイ - 7,121位
HDMIポート数	1
UPC	752692213274
USB2.0ポート数	1
USB3.0ポート数	3
USBポート数	3
おすすめ度	4.3 5つ星のうち4.3 (1,027) var
アスペクト比	16:9
カラー	ブラック
カラースクリーン機能付き	はい
コントラスト比	1500:1
コンポーネントアプトプット数	2
スクリーン表面の仕上げ	光沢
ディスプレイの種類	液晶
ディスプレイ方式	液晶
ディスプレイ最大解像度	1920 x 1080 ピクセル
ネイティブ解像度	1920x1080
ハードウェアインターフェイス	USB 2.0, USB 3.0タイプC, USB 3.1 タイプC
ピクセルピッチ	0.18
ブランド名	KEFEYA
メーカー名	Shenzhen Baijiayoupu Technology Co., Ltd.
モデル名	KEFEYA
リフレッシュレート	60 Hz
レンズマウントの種類	デスクマウント
互換デバイス	Type-C、HDMI、USB-A接続のデバイスと、Windows、Mac OS、Switch、PS4、Xbox Oneなどのオペレーティングシステムを備えています。
品目の寸法（D x W x H）	35.6奥行き x 20.8幅 x 4.1高さ cm
商品の用途	ビジネス
商品の追加説明1	ポータブル
商品の重量	2.77 キログラム
商品種別	女性用大人用大人のおもちゃ
型番	S2
形状	長方形プリズム。
応答時間	2 ミリ秒
画質向上テクノロジー	アイケアモード
画面サイズの単位	14.2 インチ
視野角	180 度
解像度	FHD 1080p
通信・接続インターフェース	DisplayPort

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 794.76

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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