Mac Pro Lion 10.7.5 will not receive bluetooth file from Macbook Leopard 10.5.8

Question

Since late 2008, I have been running a 2.2GHz / 3,1 / 4GB MacBook, now at 10.5.8. A few days ago I bought a 2.66 GHz / 1,1 / 6GB Mac Pro, now at 10.7.5. I can not seem to get the Lion Mac Pro to successfully receive a 3.3mb file sent, via BLUETOOTH, from the Leopard Macbook. Sending the file, from the Leopard MacBook, usually, fails and gives the message, "There was an error connecting to the device". A few times I did get an incoming file alert on the Mac Pro and the file seemed to begin coming from the MacBook; however, the estimated time varied wildly and the file transfer eventually failed and displayed the aforementioned message. I have an android 2.3.6 phone and I was able to successfully send the same 3.3mb file to the Mac Pro in a matter of a minute, or so. I may downgrade the Mac Pro to 10.5.8, because I have important software/hardware that may not be supported on Lion, but, right now, I am trying to determine compatibility with my important Leopard software/hardware. For the time being, I want to send files to the Mac Pro via BLUETOOTH, as opposed to any other transfer method.

Answer 1

I don't know the answer to your problem, but until you resolve it do not upgrade OS X.
I would suggest you try a reinstall:
Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Lion, Mountain Lion, or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
     Note: You will need an active Internet connection. I suggest using Ethernet
                 if possible because it is three times faster than wireless.