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Richard, Laptop Specialist
Category: Laptop
Satisfied Customers: 36777
Experience:  Over 15 year experience in Computers, Mobile devices and Networks
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Here is my problem I have a Gateway laptop model LT280U and

Customer Question

Hello, Here is my problem I have a Gateway laptop model LT280U and have used a Dell monitor sometime to see a bigger screen for a few years now. Until recently whenever I connect to Laptop this monitor I can only view the Dell monitor and not both screen together. My internet service is with AT&T and the tech not able to fix the issue and say I should get in connect with you about this issue. Can you help me.
Submitted: 1 year ago.
Category: Laptop
Expert:  Richard replied 1 year ago.

Hi there and welcome

With the Laptop and monitor connected, press the FN + F5 and see if they both display. If not, repeat 5 times and check each time and tell me if you can get both to display please.

Customer: replied 1 year ago.
Only the Dell monitor shows and not my laptop after pressing FN and F5 together
Expert:  Richard replied 1 year ago.


If you right click on the desktop and choose Screen Resolution

How many monitors do you see there?

Customer: replied 1 year ago.
only 1
Expert:  Richard replied 1 year ago.

When did this problem start? How many days / weeks ago

Customer: replied 1 year ago.
I notice Monday this week
Expert:  Richard replied 1 year ago.


Can you close all programs.

Click start, type in

system restore

press enter

follow the onscreen steps and perform a system restore choosing a restore point from before Monday.

Let this complete and when it has, tell me if the monitor is now working please.