Windows® Windows XP®(SP3 or greater) Windows Vista® Windows 7® Windows 8® Windows 10® Works with devices running Android®,Motorola OS, or Windows Mobile® operating systems. Mac OS X® Mac OS® 10.5.8 Leopard Mac OS® 10.6 Snow Leopard Mac OS® 10.7 Lion Mac OS® 10.8 Mountain Lion Mac OS® 10.10 Yosemite Works with devices running. The psr-800 is an advanced digital handheld scanning receiver with a simple and easy to understand user interface. This page is a revolutionary approach to access the microsd card. Grecom psr 800 serial device com3 driver for windows 7 32 bit, windows 7 64 bit, windows 10, 8, xp. The driver should work until microsoft windows 7. If 'GRECOM PSR-800 Serial Device' is not shown then go back one screen and select 'Browse for driver software on your computer', type this file path: C: Windows Inf GRECOMPSR-800.inf and click on 'Next'. If a warning screen about the risk of unsigned drivers appears, select the unsigned driver option because the PSR-800 driver is unsigned. This is only for USB driver installation if you have problems 'connecting to your scanner' while using the USB cable. You can test if this is needed by trying to update the time on the scanner by selecting 'Set Real Time Clock to Computer Time' under the 'Scanner/SD Card' tab, in the EZScan software.
If your computer doesn't recognize your connected device, you might see an unknown error or a '0xE' error. If you do, follow these steps and try to connect your device again after each step:
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- Make sure that your iOS or iPadOS device is unlocked and on the Home screen.
- Check that you have the latest software on your Mac or Windows PC. If you're using iTunes, make sure you have the latest version.
- Make sure that your device is turned on.
- If you see a Trust this Computer alert, unlock your device and tap Trust.
- Unplug all USB accessories from your computer except for your device. Try each USB port to see if one works. Then try a different Apple USB cable.*
- Restart your computer.
- Restart your device:
- Try connecting your device to another computer. If you have the same issue on another computer, contact Apple Support.
For more help, follow the steps below for your Mac or Windows PC.
* Learn how to connect iPad Pro (11-inch) or iPad Pro 12.9-inch (3rd generation) to your computer.
If you use a Mac
- Connect your iOS or iPadOS device and make sure that it's unlocked and on the Home screen.
- On your Mac, hold down the Option key, click the Apple menu, and choose System Information or System Report.
- From the list on the left, select USB.
- If you see your iPhone, iPad, or iPod under USB Device Tree, get the latest macOS or install the latest updates. If you don't see your device or still need help, contact Apple Support.
If you use a Windows PC
The steps differ depending on if you downloaded iTunes from the Microsoft Store or from Apple.
If you downloaded iTunes from the Microsoft Store
Follow these steps to reinstall the Apple Mobile Device USB driver:
- Disconnect your device from your computer.
- Unlock your iOS or iPadOS device and go to the Home screen. Then reconnect your device. If iTunes opens, close it.
- Click and hold (or right-click) the Start button, then choose Device Manager.
- Locate and expand the Portable Devices section.
- Look for your connected device (such as Apple iPhone), then right-click on the device name and choose Update driver.
- Select 'Search automatically for updated driver software.'
- After the software installs, go to Settings > Update & Security > Windows Update and verify that no other updates are available.
- Open iTunes.
If you downloaded iTunes from Apple
Follow these steps to reinstall the Apple Mobile Device USB driver:
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- Disconnect your device from your computer.
- Unlock your iOS or iPadOS device and go to the Home screen. Then reconnect your device. If iTunes opens, close it.
- Press the Windows and R key on your keyboard to open the Run command.
- In the Run window, enter:
%ProgramFiles%Common FilesAppleMobile Device SupportDrivers
- Click OK.
- Right-click on the
usbaapl64.inf
orusbaapl.inf
file and choose Install.
You might see other files that start withusbaapl64
orusbaapl
. Make sure to install the file that ends in .inf. If you’re not sure which file to install, right-click a blank area in the File Explorer Window, click View, then click Details to find the correct file type. You want to install the Setup Information file. - Disconnect your device from your computer, then restart your computer.
- Reconnect your device and open iTunes.
If your device still isn't recognized
Check Device Manager to see if the Apple Mobile Device USB driver is installed. Follow these steps to open Device Manager:
- Press the Windows and R key on your keyboard to open the Run command.
- In the Run window, enter
devmgmt.msc
, then click OK. Device Manager should open. - Locate and expand the Universal Serial Bus controllers section.
- Look for the Apple Mobile Device USB driver.
If you don't see the Apple Mobile Device USB Driver or you see Unknown Device:
- Connect your device to your computer with a different USB cable.
- Connect your device to a different computer. If you have the same issue on another computer, contact Apple Support.
If you see the Apple Mobile Device USB driver with an error symbol:
If you see , , or next to the Apple Mobile Device USB driver, follow these steps:
- Restart the Apple Mobile Device Service.
- Check for and resolve issues with third-party security software, then restart your computer.
- Try to install the
usbaapl64.inf
orusbaapl.inf
file again.