Hal.dll means Hardware Abstraction Layer Dynamic-link Library. It is an operating system file (usually under C:WINDOWSsystem32 folder) that links the hardware and software components of a computer. With Hal.dll file, the operating system could operate with a hardware device.
Hal.dll missing error message will present due to following reasons:
1. Naturally damaged
2. Deleted or moved accidentally from its original destination.
3. A damaged or corrupted boot.ini file.
4. The hard drive is physically damaged.
5. Hal.dll does not exist in Windows Vista, Windows 7 or later Windows systems, but if your Master Boot Record (MBR) has changed to the type that compatible with Windows XP or previous, the MBR will still search hard drive for hal.dll, and if it's not there, a Hal.dll is missing error message will occur.
Firstly make sure your boot.ini file is available and there are no mistakes in it. If you still could not boot up your computer with a prompt saying "Hal.dll is missing", you could try to repair your hard drive MBR and fix Hal.dll missing error with Wondershare LiveBoot. It is a powerful tool to boot up any computer, no matter no matter what caused its crash. This LiveBoot allows you to boot up Windows system with CD/DVD or usb drive.
Once you have fixed Hal.dll missing error, eject the CD/DVD or usb drive. Now you could boot up your computer and see your familiar desktop as normal.
The Hal.all is missing error often comes along with data loss on your hard drive, and it`s also possible that some important files on pc are accidentally deleted or formatted during the process of fixing those issues. If the data loss occurs, you`ll probably need a powerful data recovery tool to get all your lost files back.
Recoverit Data Recovery is capable of restoring deleted/lost files or formatted partition from hard drive (HDD and SSD), external hard drive, usb flash drive, memory card, digital camera, camcorder, iPod, Music Player and many kinds of mobile devices (Nokia, Blackberry phones and Phones with older Android OS than ICS). While offering the advanced recovery modes like Raw Recovery or Deep Scan Mode, it`s pretty easy to use: