Boss BR 8...I insert the 100 mb disk, then asks to initialize..I enter 'yes' then it asks 'sure?' I enter yes then it says 'medium error' then ejects the disk..what's the problem?

see if the manual has an answer http://www.manual-hub.com/manuals/boss-br-864-01-pdf-manual

Here is the newest updates for it, http://www.bossus.com/gear/productdetails.php?ProductId=718


1. Press [UTILITY].
2. Press CURSOR [ ] [ ] to move the cursor to "INI,"
and press [ENTER].
3. Press PARAMETER CURSOR [ ] [ ] to move the
cursor to "ALL," and press [ENTER].
The confirmation message "Are you sure?" appears in
the display.
4. To continue the initialization, press [ENTER] (YES).
To cancel, press [EXIT] (NO) (or [UTILITY]).
When [ENTER] is pressed, initialization begins.
After the initialization has been completed, you are
returned to the Play screen.
You can perform the same initialization with "INIT
ALL," by holding down INPUT SELECT [GUITAR/
BASS/MIC2], [MIC], and [LINE] while turning the
POWER switch ON, then pressing [ENTER].

The possibilities are almost endless. It's going to have to go to a qualified repair shop.

If the disk had music that was not CREATED on the BR-8 you will get the error. The format is incompatible with computer formats.

If the files were created on the same BR-8, then you probably have a disk drive failure.

Try initializing a blank disk. If it will not, then you have a drive failure.

Also is it possible you are trying to read a 250Mb disk on a 100Mb drive? That won't work either.

Refer to your BR manual for procedure to format the card. Formatting the card in a PC just doesn't cut it.

Look in your index in the manual for "formatting" or "card"...etc.

Probably the drive has gone bad as a first thought... this happens. Possibly the heads got dirty...

Make sure nobody has smoked tobacco around the unit as that is a killer for Zip drives.

Sometimes they have a second level of initializing/formatting. If the BR* has that, try it.

I called Roland at the number that you provided and gave they following proceedure which will re-intialize the BR 1180 and ERASE everything that was created on the HD:

1. Simultaneously hold down button beneath volume control at track 5 and Undo/Redo button at upper right
2. Press power button while holding down buttons as above, until test menu comes up
3. Turn selector dial untill initialize screen shows
4. Prdess ENTER and initialization will start
5. Once initialization is completed, power off unit and then power it back-up.

NOTE: This proceedure erases all data!

This Sounds Very Bad Do You Have Experience With Taking Apart Computers? If So You May Want To Open Up Your Br-1180 And Remove The Hard Drive And Put It In Your Computer And Copy All The Data Off Of It. I Also Would Recommend Calling Roland They Are The Most Helpful People In The World.
www.Myspace.com/CrossRoadsToNowhere2007

Have You Tried Cleaning The Lens?
www.Myspace.com/CrossRoadsToNowhere2007

before you go out and buy a new hd try intializing your system.
unfortunaly you will lose all saved info, but you will either way. this test may save you some money.
with your 1180 in the off position press and hold the track 5 button below the fader and the redo/undo button that is just to the left of the rotarty knob and below the power button. while holding these two buttons press the power button and continue to hold the track 5 button and the undo redo buttons untill the test menu is showing. its takes about 15- 30 sec. in the test menu rotate the value knob till you see 23 initialize HDD and press ok. this process may take up to 30 mins. if this doesnt fixya then contact roland for a replacement.