With the drive connected open disk management search for computer management disk management.
Lacie rugged hard drive not showing up.
If not open disk management and check the external hard drive state.
For this click on file and then click new finder window.
Now look for the drive below the remote disk.
Step 2 if the external drive is not there make sure that usb cable is properly plugged in the external hard drive and the port.
Listen for the internal disk to speed up and then click.
Lacie drives conserve power by spinning down when you set your computer to sleep mode.
Here you can see what the drive looks like to windows.
Connect the lacie external hard drive to your pc via its usb cable.
Only use certified interface cables such as the cables provided with your lacie drive.
Power up the drive and put your ear next to it.
Unfortunately in that case you will need to contact a data recovery company in case the data stored on the drive is really important.
When the computer awakes from sleep mode the drive may not have enough time to spin up causing the pop up to appear.
Most of the hdd manufacturers offer their own data recovery.
Follow the guidelines to make your lacie external hard drive detectable again.
Check lacie external hard drive state.
Try disconnecting the firewire usb cable from the drive and take the drive to a quiet place.
If you right click on the lacie drive shown you may have the option to format the partition s ntfs for windows or you could convert the entire disk to a mbr disk.
Open file explorer and check if the external hard drive appears.