My IBM think pad does not boot. it only shows black screen and blinking curser. after few seconds it shows a message saying pxe-e61: media test failure, check cable.

There are two possiblities, first is your data cable it may damage so you need to change it or your data cable not plugged properly so check it. Secondly, you need to reset your boot order to resolve your issue.

Thanks & Best of Luck

The problem is likely to be with the internal hard drive. Try removing the hardrive and putting it back again incase it is a bad connection. If this does not work then your hard drive is probably faulty.

The error PXE-E61: Media test failure usually means the hard diskhas failed or the hard disk needs re-seating or the disk controller is faulty. First - re-seat the harddisk and reboot the computer. If this does not work then reboot and go to theBIOS configuration to see if the BIOS detects the hard drive. If it doesn'tdetect the hard drive then it could be faulty. Next - to determine if thehard drive is faulty, remove the hard drive and insert it into an USB hard drive adapter and connect it to a workingcomputer's USB port. If this computer cannot see itas an external hard drive and you cannot open the various folders and files,this confirms the hard drive is faulty. The hard drive needs to bereplaces in the laptop and Windows installed and the laptop's device driversand your programs etc to get a functioning laptop again.