Windows 10: My laptop shows a black screen after a high pitch sound randomly after about 2-3 hours of...

My system specs - Dell XPS 15 9520Device name DESKTOP-68O9MAC Processor 12th Gen IntelR CoreTM i7-12700H 2.30 GHz Installed RAM 16.0 GB 15.7 GB usable System type 64-bit operating system, x64-based processor Pen and touch No pen or touch input is available for this display Windows -Edition Windows 11 Home Version 23H2 Installed on ‎5/‎16/‎2024 OS build 22631.3593 Experience Windows Feature Experience Pack 1000.22700.1003.0 I initially encountered an issue where the task bar disappeared and the screen was refreshing every 3-4 secs. Anything action i performed was instantly terminate as

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Black screen printing wingdings with high pitched tone.

Hello,

Black screen printing wingdings with high pitched tone can be due to outdated drivers. This can also be connected to hardware issue. For us to isolate and identify
if this is a hardware or software issue, we suggest to perform the Windows Hardware Troubleshooter.

To access the Hardware and Devices troubleshooter, follow the steps provided below:

• Type “Troubleshooting” in the Search bar and press Enter.
  
• Click on “View All” in the top left corner.
  
• This will display the list of troubleshooters which are built-in in the computer. You can click on Hardware and Devices from the list and you can run the troubleshooter.
  

Let us know if that worked out for you.

 

High pitched chirp sound on videos

I just upgraded to Windows 10 and have 2 issues now:

1- At the beginning of videos on my PC and online, there is a loud, very high-pitched chirp sound. Last time I fixed this, it was a setting in RealTek.

2- RealTek audio driver is installed, but it does not show up in the list of drivers. I do a system check for updates or to see if it is working properly.

I am worried about uninstalling RealTek completely, because I read other users did that and now they do not have any sound. Please help!

I have a HP Notebook 64 bit

 

Black screen and high pitched buzzing noise on start up.

I have an Acer Aspire Z series desktop on Windows 7 Home Premium, it's about 12 or 13 years old, I have E Set anti virus. In the last few months it occasionally shows a black screen and high pitched buzzing noise on start up so I switch it off and restart later and it's ok. But now it is permanently on black screen and buzzing noise. I've read some proposed solutions but can't get past the black screen. Has it just slowly died due to its age and would a technician be able to save any files on the hard drive before I ditch it?