[PROBLEM] my external hd will not mount

[Mentalblaze]

No errors in windows disc check but back in xbian I get this:

Code:

[  231.029973] systemd-logind[2663]: New session c2 of user xbian.
[  307.035340] usb 1-1.5: new full-speed USB device number 10 using dwc_otg
[  307.108652] usb 1-1.5: device descriptor read/64, error -32
[  307.288656] usb 1-1.5: device descriptor read/64, error -32
[  307.468654] usb 1-1.5: new full-speed USB device number 11 using dwc_otg
[  307.542018] usb 1-1.5: device descriptor read/64, error -32
[  307.721990] usb 1-1.5: device descriptor read/64, error -32
[  307.828814] usb 1-1-port5: attempt power cycle
[  308.422031] usb 1-1.5: new full-speed USB device number 12 using dwc_otg
[  308.835343] usb 1-1.5: device not accepting address 12, error -32
[  308.908641] usb 1-1.5: new full-speed USB device number 13 using dwc_otg
[  309.322000] usb 1-1.5: device not accepting address 13, error -32
[  309.322164] usb 1-1-port5: unable to enumerate USB device