Can not get my display back after choosing to connect to a projector
HELP!!!!! I was trying to hook up my laptop to my tv via an HDMI cable.
When I went into personalization I was told to hit the windows key and then the P key which I did.
I then selected projector only as I thought that was the best option.
The tv still
didn't work correctly however, now I am unable to get my display back on my laptop.
I have two acer's in my home and can not find any answers as to how to undo what I have done.
I have attempted hitting those 2 keys after a restart hoping this would disengage
the previous command.
It did not.
I have called acer and they want to charge me 60 bucks to answer my question!!!! PLEASE somebody help me ! Thanks so much
Keys to the Problem Can not get my display back after choosing to connect to a projector
a. What exactly appears on your laptop when you turn it on? Do you get a blank screen? Specify the same.
Video adapter problems are the most common cause of this issue.
First, try to find out if there's a problem with the cables you're using or the way they're connected.
For example, if your monitor is connected using an HDMI connector, try disconnecting
it and check if the issue persists.
Try performing a System Restore
System Restore can return your system files to a point in time before you noticed a problem, without affecting documents, photos, or other personal files.
If System Restore doesn't fix the problem, you can undo the restore operation and choose another
For more information on how to perform System Restore, refer this link:
What is System Restore?
Additional reference on:
Why is my screen black when I start Windows 7?
Also you may refer the following links which will help you to have a better understanding on connecting your computer to TV.
Connect your computer to a TV
TV on your computer: Understanding TV signals and TV tuners
Divya R – Microsoft Support.
Visit ourMicrosoft Answers Feedback Forum and let us know what you think.
Manually editing the Windows registry
Manually editing the Windows registry to remove invalid MACHINE_CHECK_EXCEPTION keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely!
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to MACHINE_CHECK_EXCEPTION (eg. Windows Operating System):
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
Recommended Method to Fix the Problem: Can not get my display back after choosing to connect to a projector:
How to Fix Can not get my display back after choosing to connect to a projector with SmartPCFixer?
1. Download SmartPCFixer . Install it on your system. Click Scan, and it will perform a scan for your computer. The junk files will be shown in the list.
2. After the scan is finished, you can see the errors and problems which need to be fixed.
3. When the Fixing part is finished, your computer has been speeded up and the errors have been removed
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