Knowledge - Memory card data recovery
Position: Home > Memory card data recovery > 5 Solutions for “The Device Is Not Ready” Error

Top 10 Articles:
New Knowledge:
Featured Articles:

5 Solutions for “The Device Is Not Ready” Error


Are you troubling by “The device is not ready” error when you want to access data in your newly connected hard drive?Have you figured out causes and solutions? Do you want to restore data from unreadable device? Read this article and you will find answers yourself.
“The Device Is Not Ready” error is a kind of common error which often occurs when people want to access data in external data storage device. You might be curious about the reasons and the relevant solutions. Then you can check the symptoms: "Hard drive shows 0 bytes, not accessible, the device is not ready."

Both hardware and software issue could cause a Windows computer being unable to read your hard disk or connected device normally, though it is recognized and showing up in the computer. Do not worry when such an error occurs. Take the right steps to recover data and rectify the problem with ease. The most important is take the right steps to recover data first and then fix the error.

Recover data from inaccessible hard drive or flash disk

To efficiently recover files from the SD card, you can try Bitwar Data Recovery to retrieve your files. Bitwar Data Recovery software is specially designed to retrieve your deleted/formatted/RAW files from Windows PC, laptop, hard drive, SSD, memory card, USB drive, SD card, digital camera, multimedia player and other storage devices. It only takes 4 simple steps to recover your data from inaccessible disk.

Steps to recover data with Bitwar Data Recovery?

Free download and then install Bitwar Data Recovery Software on your computer by clicking the download below. If you want to recover data from external device, you should connect it to the computer.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

Step 1. Select the inaccessible hard drive or flash disk

Launch Bitwar Data Recovery software on your windows and select the inaccessible hard drive or flash disk and then click "Next".


Step 2: Select the Scan Mode

There are three modes to scan data, you can choose “Quick Scan” mode to scan first, If you cannot find files on this mode, try Deep Scan. The deep scan will search every sector of the disk to find all existing files.
When you want to recover formatted files from the inaccessible disk, you should select “Formatted Recovery” here.


Step 3: Select the file types

Select the file types what you want to recover, if you have no idea, you can also choose “Select All Types” to recover all files from the inaccessible disk. Then click “Next” to start scanning.


Step 4: Preview and recover lost files

After the scan, you can filter the scanned out files by file name, type, path and time. Then double-click the file which you want to preview them to make a selective recovery. After determined, click the "Recover" button to save it to another partition or other external device that can be accessed.
After following the above 4 steps, most files will be back from the inaccessible disk. Then you can fix the “The Device Is Not Ready” Error use any solutions without worrying about any data loss.

Solutions to fix the “The Device Is Not Ready” Error

Solution 1: Check the drive connection

This error often occurs on external drives, so make sure that the device is properly connected to your computer. Then you can check if the device was loosely connected. You can also unplug it and plug it back in to establish the connection or disconnect the device and plug it into a different USB port.
If the “device is not ready” error disappears, you can make sure both the digital device and related USB port are not damaged. If the error still exists, you can go on trying next step.

Solution 2: Read this device on another computer

You can use another connecting cable to connect between the external hard drive and computer to see if it is connecting cable’s fault. Or you can attempt to read this device in another computer. And it is recommended to choose a computer which has read this device before and can work normally.
In this way, you can verify whether the problem is caused by the device or the original computer.

Solution 3: Reinstall the device driver

If the device driver is not installed, corrupted or missing, you will receive the warning message as well. Try to re-install the device driver.
Step 1. Type device manager in the search box, right-click it and select Open.
Step 2. Expand and navigate devices on the right panel to find out the device that is not ready, right-click the device and select Uninstall.
Step 3. Keep your device connected and restart the PC. Windows will attempt to re-install the driver.
Then Restart your computer and check this action whether solved the problem.

Solution 4: Utilize Disk Management

When foresaid means fails again, you ought to use disk management tools. You should check how this device shows in Disk Management, drive shows not initialized or unallocated.
Case 1. Drive shows not initialized
If your drive has not been initialized, the drive is not recognized.
a) Press Win+R (Windows logo key and R key) at the same time.
b) Type diskmgmt.msc in the run box and then press Enter key.
c) Right-click on the name portion of the disk entry, where it says Disk [#].
d) Select Initialize Disk from the right-click context menu.

e) After that, you will be given detailed operating prompts. Just do as told.
Case 2. Drive shows unallocated
Sometimes, users who encounter the device is not ready in Windows 10, Windows 8 or Windows 7 will find their drive shows unallocated space in Disk Management. Now, you can create new partition on the unallocated space.
Right-click the unallocated space, choose New Simple Volume, and then follow the wizards to complete this task. If the unallocated space contains some important data, you should try to recover lost data from the unallocated space first.

Warning: If the unallocated space contains some important data, you should try to recover lost data from the unallocated space first.

Solution 5. The Drive Shows RAW

Sometimes, users who encounter the “the drive is not ready” error message will find their drive shows as RAW file system. So you should format your RAW drive to NTFS/FAT32.
Warning: Formatting will delete all original data on your hard drive. Therefore, it is recommended to recover all data from the RAW drive before formatting.
Format RAW Partition to NTFS
1. Open This PC/Computer > Find the RAW partition;
2. Right-click it by choosing Format > Select the file system – NTFS and rename it;
3. Click Start > OK.
After this, your SD card has been converted to NTFS, then, you can reuse and save files in it again.

Solution 6. Check your disk for errors

As we know, the "The device is not ready" error is very likely resulted from file system errors or bad sectors on the drive. Therefore, you can run CHKDSK utility to check your disk for errors.
1) Go to the start menu, type in "cmd" in a search bar and press OK button to continue.
2) Right-click Command Prompt and choose Run as administrator, and click Yes button in the pop-up window.
3) Type this command "chkdsk X: /f" and press Enter button. Replace X with the letter of your hard drive partition.

4) Type exit and press Enter.
You can try above method one by one and find the one which can work for you. We hope that at least one of these solutions helped you fix “The device is not ready” error code. If you are concerned that important data is missing during the fix process, use Bitwar Data Recovery to recover them first.

This article is original, reproduce the article should indicate the source URL:
Keywords:The Device Is Not Ready