How Should I Resolve Error Code 45 – Windows Code 45 Information


Windows Error Code 45 appears when the operating system (Windows) is unable to communicate with the peripheral device. Connectivity to the device could be interrupted or disabled, and Windows sends this error message to let the user know that there is a problem with the hardware.

The device is not present or was previously attached to the computer. If Device Manager is started with the enviroment variable DEVMGR_SHOW_NONPRESENT_DEVICES set to 1, any previously attached devices that are not present are displayed in the device list and assigned this error code. So, how to resolve Error Code 45?

Having a Windows Hardware Error Code 45 pop up does happen. This is a common device manager problem that users encounter on any Windows 2000 and later operating system versions. The message states “Currently, this hardware device is not connected to the computer (Code 45)”. Fortunately it is a known problem and there are some easy tips to helping you resolve Error Code 45. Just read our article on this problem and take care of it today.


How Do I Resolve Error Code 45 Properly?


Of all the Windows error codes you can endeavor to fix, none are quite so easy to resolve as Error Code 45. This error message is not so much a problem as it is a way to let you know that a device is disconnected. So, to resolve Error Code 45, you only need to reconnect the device. Doing this will help refresh the system and increase the likelihood of the device driver files to load and function properly.

If you are trying to connect to a device, such as a USB printer, make sure that the USB cable is securely seated to the USB port on your PC. Then check to see if the USB cable is securely attached to the printer. It is a good idea to disconnect the cable and reconnect while you are checking. After you have reseated the cables, power cycle the device and your PC. When everything is back up and running, you should be able to connect to the printer and resolve Error Code 45.

If these steps do not work, the cord or port connecting the PC to the device may be bad. Try to use a different USB cable that is known to be good to see if you can establish a connection. If you are able to, you know that the USB cable is bad and needs to be replaced. If you suspect that the port on your computer is bad, try to connect to the device using a different USB port.

If you are getting this error message about a piece of equipment that you have removed, go to the Device Manager (See how to access Device Manager below.), choose the device and select Remove or Uninstall, then reboot your PC to resolve Error Code 45.

Open Device Manager

Using Device Manager, you can view and update the device drivers installed on your PC, check to see if hardware is working normally, and modify hardware settings. For more information, see Update a driver for hardware that is not working properly.

  • Open Device Manager by hitting the Start button > Clicking Control Panel > Clicking System and Security > Under System, clicking Device Manager. If you are prompted for an administrator password confirmation, type the password or provide confirmation.

How Do I Resolve Error Code 45 More Easily?

This will spare you from going through all the above paths and other tedious regular process. So I guess it’s a better choice for general users. There are just a few steps:


1. Try out the recommended Windows repair tool (click the green button on the page for download).

2. Scan all your drivers to analyze the existing system issues including Error Code 45 by clicking the “Scan Now” button. (You can stop the scan anytime.)


3. After the Scan is completed, click the “Fix All” button to fix all the detected issues.

Now you can restart your PC and check if there is any issue left.

So if you don’t bother to perform the traditional repair actions, this is a better option for your to Resolve Error Code 45 problem.

Learning this could also help when you’re dealing with other similar problems in the future. System and Registry issues are not like uninstall problems, the solutions are always different towards various ones. Sometimes you need to replace the damaged file with a new one either from online or another computer, sometimes you need to repair the Registry with the help of a third-party tool, and sometimes you might face the previously written problem that most users don’t know how to handle.

Tutorials to Resolve Error Code 43

Instructions to Fix Error Code 41


Jaina Windows Certified Expert

On the way to be a computer geek.

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