The code 45 error is a common problem in Device Manager. This error occurs when your Windows system does not recognize the connected device, which may work fine before updating Windows 10. The error appears on your computer with the following message in Device Manager:
“Currently, this hardware device is not connected to the computer” (Code 45)
The problem can occur for several reasons:
Old or damaged device drivers;
Corrupt registry keys.
Here are some solutions that you can use to solve your problems.
Solution 1: reconnect the hardware to the computer
This is the easiest and most common way to fix error 45, and many people with this problem find it helpful. The error occurs if a device that was previously connected to the computer is no longer connected. To fix it, you can disconnect the device to your PC and then reconnect it after a while.
Solution 2: update device drivers
Old or damaged drivers are largely related to this problem. Therefore, updating device drivers related to error 45 can help resolve this issue. The next two options are steps in two ways to update your drivers.
Option 1: Update by Device Manager
1. Right click on the start menu and select Device administrator .
2. Locate the related driver you want to update and right-click. Please select Update driver .
3. Choose Search automatically for updated driver software .
Then it will find and install the new version driver for you. You can follow the instructions to install it.
Option 2: download and update by Driver Booster
Driver Booster is a professional tool that can help you find the missing and outdated drivers, and then download the latest drivers automatically. You can use this application to update your drivers in the following steps.
one. Download Driver Booster , follow the installation guide to install it on your computer.
2. Run Driver Booster and click Scan .
After scanning all your devices, it will tell you how many of them need an updated driver and how many are missing.
3. Find the driver related to this error in the list. Click the button Update below the device name. After downloading the driver, Driver Booster will install it automatically.
You can also click Update now to download all the drivers listed in the box and update them.
Choose one of the options to update your drivers, and then the problem should go away now.
Solution 3: run the hardware and device troubleshooter
The Hardware and Devices Troubleshooter is a built-in tool for finding and fixing basic problems with devices and hardware. Here are steps to run it.
1. Go to Setting > Update and security > Solve problems .
2. Choose Hardware and device and click Run troubleshooting .
Then it will detect problems automatically. If there is any problem, it will remind you. And then you can click Apply this solution to solve this problem.
Solution 4: Automatically optimize the system for a better hardware connection
In addition to the Windows-based hardware troubleshooter, it is also available for you to do a thorough analysis of Windows 10, 8, 7. Here it refers to Advanced SystemCare , which is an all-in-one system optimizer. This software will automatically detect all the problem items and fix them.
In this regard, it does not matter if it is the infected disk or file or the registry or program that makes the hardware device not connected to the computer, Advanced SystemCare will help you to fix it as soon as possible.
one. Download , install and run Advanced SystemCare.
2 in Clean and optimize , check the box To select everything and then Scan in looking for the computer.
3. Click Repair .
In this window, you can see that the startup files, logs, disks, and programs contain how many items pose threats to your PC. All of this can be removed when you press Fix .
Without the wrong disks or files, the hardware device may be able to connect to the PC.
Solution 5: Scan and Repair Hard Drive Corruption
In this way, you will use System File Checker to scan and repair hard drive corruption. Do the following:
1. Write cmd in the search box. Then right click on the search result and choose Execute as an administrator .
2. Write chkdsk / f at the command prompt and press Get in .
Check Disk will start looking for possible hard drive damage and repair it.
Suppose the problem persists after trying this way, use the following solution.
Solution 6: repair the PC registry
Registry corruption is one of the factors that can cause error 45, and you can use the following way to solve it.
1. Write cmd in the search box. Then choose Symbol of the system > Execute as an administrator .
2. Enter sfc / scannow Y press Enter .
Then it will start SFC to search for the corrupted files, which could be the reason for the error code 45. If it finds any problems, it will repair them.
3. Restart your computer after completing the action.
After all three steps are done, you managed to repair your PC registry and error 45 should be gone.
In conclusion, the code 45 problem is quite common after an update, but its solutions are not that complex. And hopefully one of these solutions can fix the error code 45. Otherwise, you may need to apply other solutions. I hope this passage can help you.
Repair Code 43 Error: Windows has stopped this device because it reported
Error code 39 for keyboard in Windows 10
Fix USB mass storage error: device cannot start code 10