"Another display not detected"

RaphaelVanier

New member
Local time
6:44 PM
Messages
3
Hi there,

I have just brought a large ACER flat screen monitor to enhance my laptop's capability, get more workspace. I want to use them as dual screens. So I plug the new monitor in the VGA plug in my Lenovo laptop. My new monitor lit up and the output on the new screen becomes the same as in my laptop screen. Now I want to turn it into a dual screen. I go into Control Panel -> Display -> Screen Resolution. I try to press the "Detect" button. I get the message:

"Another display not detected"

I try to set it manually, Multiple displays: "Show desktop only on 1". But that doesn't work, can't press OK.

Any help?

Thanks!
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo
OS
Windows 7 Home Premium 64bit
res_screen.jpg
In the Multiple Displays box what you want is EXTEND these displays, this assumes you have both monitors showing in the box above all this.

If both are there, nothing new to detect.

Give us a screen shot if this wasn't the quick info needed to fix the problem, please, like this one:
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Self Built Custom
OS
Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
CPU
AMD FX-8350 CPU v1.15 (or 1.0F) BIOS was required!
Motherboard
MSI 890FXA-GD70
Memory
8G CAS-7 G-Skill DDR3 @1333 (2 fours) [mobo nonOC max rec'd]
Graphics Card(s)
Radeon HD 7950 [3 gigs of GDDR5] MSI Twin Frozr model
Sound Card
Realtek High Definition Audio (onboard mobo, ALC-889 chip)
Monitor(s) Displays
2 WS LED Monitors: One LG One Viewsonic
Screen Resolution
1920 by 1080
Hard Drives
SSD for OS: Samsung 840 Pro
SSD for VM and utilities: Adata SX900
7200 RPM SATA HDs for the rest: Hitachi and Seagate
PSU
Corsair TX850 - 850W max, in service since August 2010.
Case
Thermaltake Armor A90
Cooling
Thermaltake Spin Q CPU Cooler, in service since August 2010
Keyboard
Logitech G11
Mouse
Logitech M310 Wireless
Internet Speed
100 Megabit broadband supposedly upgraded from 50 (Cable)
Antivirus
Bitdefender Internet Security 2014 suite
Browser
Pale Moon 64-bit main, also IceDragon, Opera, and Maxthon.
Other Info
CompTIA A+ certified (220-800 series) in July 2013.
Thanks for the help

I tried that, still can't press OK or apply, here's the screen shot:

monitors-display1.jpg


As you can see both the laptop screen and the other monitor are detected. But I can't press Ok or Apply! It still says "Another display not detected"!
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo
OS
Windows 7 Home Premium 64bit
False alert, problem solved!!

Thanks! :)
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Lenovo
OS
Windows 7 Home Premium 64bit
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