Steam thinks there is no space on my disk

[Denshihaya]

I attached an external drive to my laptop and designated it as another disk for my steam library, then installed a game on it. Now Steam does not think I have any available space to install games unless the external drive is plugged in. Even though I have 40GB of free space on my internal SSD. I have deleted the external drive as a disk for Steam and it still won't show any available space unless the drive is plugged in.

[Phantom]

Check again and see if it's really removed.

Clear Steam's download cache and repair its content folders.

Re-start Steam - be sure to do that.

[Denshihaya]

Thanks for your suggestions. I've done them, and Steam still doesn't think I have space on my internal drive unless the external drive is connected.

[Phantom]

The last resort would be re-installing Steam.

If you somehow choose to do this though, be sure to backup your games and other files.

[Dranak]

try check disk, its properties on hard drev, maybe you have index or lost area, happend alot in the ide days harddisk types. ATA

[Denshihaya]

I was hoping not to have to reinstall, but that fixed it.