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is there a utility to fix memory sticks

Yes, it's called Super Glue  .. You'll have to give us more than that... What's wrong with it ?

Taken out and not unmounted properly, I've gut them with windows and linux ?

Is the USB stick recognised when you plug it into Linux or Windows ?

Are there any error messages in either OS ?

No there never are on either operating system

Plug it in, and in Linux, post the output from these 3 commands

dmesg | tail

lsusb

sudo fdisk -l

This is the output
[email protected]:~$ dmesg | tail

[   13.340608] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X

[   13.340888] ADDRCONF(NETDEV_UP): eth0: link is not ready

[   14.286989] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0

[   14.756857] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX

[   14.756862] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO

[   14.757084] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

[   16.230235] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0

[   25.040004] eth0: no IPv6 routers present

[  181.156027] hub 7-0:1.0: over-current change on port 1

[  181.260027] hub 7-0:1.0: over-current change on port 2

[email protected]:~$

[email protected]:~$ lsusb

Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 005 Device 002: ID 192f:0716 Avago Technologies, Pte.

Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

[email protected]:~$

[email protected]:~$ sudo fdisk -l

[sudo] password for gordon:



Disk /dev/sda: 80.0 GB, 80026361856 bytes

255 heads, 63 sectors/track, 9729 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x0001865f



   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *           1        9347    75078656   83  Linux

/dev/sda2            9348        9730     3069953    5  Extended

/dev/sda5            9348        9730     3069952   82  Linux swap / Solaris

[email protected]:~$

Well if you had the USB stick plugged in when you ran those... the stick is DEAD, as it's not being detected AT ALL.