clear "$Recycle.Bin" in external hard drive

 

Googled: clear "$Recycle.Bin" in external hard drive

Found Source URL: https://superuser.com/a/564461

The $RECYCLE.BIN directory can be deleted from Windows command line rmdir /q /s C:\$RECYCLE.BIN as described in the first answer to this similar question, although as a system virtual folder care should be taken. Also, it will get recreated upon deletion of files from the drive containing it.

Prolink Bluetooth Mouse

 

On: 20210215_pm103652

Suspect Windows updates causing mouse become weird.

Bluetooth Mouse not moving suddenly.

after turn off and on back power at Mouse, red light off after awhile.

Windows 10 doesn't seems able to found any new device too. at this moment, touch pad still unable to be use ( configured disable touch pad after Bluetooth Mouse connected.)

After remove Bluetooth Mouse from devices, then touch pad can be, but Bluetooth still not working at Microsoft Windows 10

Restart 3rd time only bring back this bluetooth on button in Bluetooth & other devices.

Another restart, Bluetooth driver I deleted is back.

Found below:

https://answers.microsoft.com/en-us/windows/forum/windows_10-hardware/after-windows-10-1511-november-update-a-bluetooth/870e9552-a1bf-49a0-99da-736a12d50e92

Arnab ChatterjeeReplied on November 21, 2015

I managed to solve this myself by installing the "Generic Bluetooth adapter" driver.  

1. Go to device manager and open Bluetooth
2. Select the Bluetooth adapter. In my case , my Dell XPS L502X came with "Intel(R) Centrino(R) Wireless Bluetooth(R) 3.0+ High Speed Adapter" driver. Uninstall this default driver.
3. Scan for hardware changes. You see a unknown device, inside Other
4. Install a driver for this. While installling choose "Let me choose the best driver"
5. In the driver choice, I get the "Generic Bluetooth adapter" and the intel one.
6. Choose "Generic Bluetooth adapter" and install that
7. Viola, my mouse reconnects without any issues now. No problem with the Bluetooth speaker either 

Found: ProduKey v1.93 - Recover lost Windows product key (CD-Key) and Office 2003/2007 product key.

Tried to retrieved few laptop's Windows Product Keys, and use to install Windows 10.

ProduKey v1.93 - Recover lost Windows product key (CD-Key) and Office 2003/2007 product key.

Description
ProduKey is a small utility that displays the ProductID and the CD-Key of Microsoft Office (Microsoft Office 2003, Microsoft Office 2007), Windows (Including Windows 8/7/Vista), Exchange Server, and SQL Server installed on your computer. You can view this information for your current running operating system, or for another operating system/computer - by using command-line options. This utility can be useful if you lost the product key of your Windows/Office, and you want to reinstall it on your computer.

Download at: https://www.nirsoft.net/utils/produkey.zip

Windows 10 command prompt display Chinese

Found Source:
https://superuser.com/a/269857

To change the codepage for the console only, do the following:

1. Start -> Run -> regedit
2. Go to [HKEY_LOCAL_MACHINE\Software\Microsoft\Command Processor\Autorun] if Autorun is not present, you can add a New String Value with the contents of @chcp 65001>nul – Dacto Oct 23 '18 at 20:45
3. Change the value to chcp 65001

Searched:

Windows 10 Command prompt show UTF8 chinese

Upgrade laptop Operating System from Windows 7 to Windows 10

Reference URL:

https://www.ghacks.net/2019/11/30/here-is-why-free-upgrades-to-windows-10-still-work/

https://www.windowslatest.com/2019/12/01/download-windows-10-november-2019-update-iso-images/








Details in Google Doc: https://docs.google.com/document/d/1p4XhNunC6nmMo1_9kJQyp2TGb4aMrELgD6adU_-nntE/edit?usp=sharing

Tried and working to retrieve Windows Product Key which Stored in the Windows Registry

But the "key" only show less than 5 seconds...

Or lately i came across this https://www.nirsoft.net/utils/product_cd_key_viewer.html, which will cover at another page: https://billson.blogspot.com/2020/07/found-produkey-v193-recover-lost.html


Source URL: https://answers.microsoft.com/en-us/windows/forum/windows_10-windows_install-winpc/how-to-recover-your-windows-product-key/8687ef5d-4d32-41fc-9310-158f8e5f02e3

Stored in the Windows Registry

If your product key isn't embedded in the firmware or you're missing your COA sticker, you're not out of luck as long as you haven't formatted your computer. You can still recover the key because Windows stores it in the registry. Here is how:

1. Open a new Notepad window

2. Copy and paste the following text into the window

Set WshShell = CreateObject("WScript.Shell")
MsgBox ConvertToKey(WshShell.RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId"))

Function ConvertToKey(Key)
Const KeyOffset = 52
i = 28
Chars = "BCDFGHJKMPQRTVWXY2346789"
Do
Cur = 0
x = 14
Do
Cur = Cur * 256
Cur = Key(x + KeyOffset) + Cur
Key(x + KeyOffset) = (Cur \ 24) And 255
Cur = Cur Mod 24
x = x -1
Loop While x >= 0
i = i -1
KeyOutput = Mid(Chars, Cur + 1, 1) & KeyOutput
If (((29 - i) Mod 6) = 0) And (i <> -1) Then
i = i -1
KeyOutput = "-" & KeyOutput
End If
Loop While i >= 0
ConvertToKey = KeyOutput
End Function

3. Click File > Save As and save the file to your desktop as productkey.vbs. It's important to include the .vbs extension because this is a Windows Scripting Host file.

4. Close Notepad and double-click the file. Wait a few seconds, and then you will be presented with a popup displaying your product key:

Found this, but not sure if could address my previous issue...

Reference URL:
https://sourcedaddy.com/windows-7/creating-windows-re-recovery-media.html

To build a Windows RE x64 ISO image that supports both EFI and BIOS firmware, enter the following command:

oscdimg "-bootdata:2#p0,e,betfsboot.com#pEF,e,befisys.bin -u2 -udfver102
-o c:\winrec_x64\ISO c:\winrec_x86\winrec_2X.iso"

Here, -bootdata sets the boot information for EFI and BIOS, and -UDFVer sets the required UDF version. You set C:\Winrec_x64\ISO as the path to the folders for the ISO image, and C:\Winrec_x64\Winrec_2X.iso is the path and file name of the ISO image that will be created. After you create the ISO image, you can burn the ISO image to a DVD using a CD/DVD burning application.

Windows Schedule Failed to start.

Reference URL:

1. https://songvacongnghe.blogspot.com/2017/02/loi-task-scheduler-failed-to-start.html
2. https://systemadminguide.wordpress.com/2014/12/17/windows-task-scheduler-error-2147943730-reported/

Scenario:

Windows Schedule Failed to start.

Error Msg:

Task Scheduler failed to start "\Microsoft\Windows\Backup\Microsoft-Windows-WindowsBackup" task for user "Machine###\user_id". Additional Data: Error Value: 2147943730.

Actual caused from Error Value:

Finally, open command prompt, type net helpmsg 1330 and you will get an idea of what 2147943730 means. Simply, 2147943730 means Logon failure: the specified account password has expired.

By systemadminguide