The hal.dll file is a hidden file that is used by Windows XP to communicate with your computer's hardware.
Because different computer corresponding to different hal.dll file, but now the ghost systems are often false positives, leading to hal.dll file and the actual match. hal.dll file and the appropriate computer type: acpi multiprocessor pc halmacpi.dl_; acpi uniprocessor pc halaacpi.dl_; advanced configuration and power interface (acpi) pc halacpi.dl_; mps multiprocessor pc halmaps.dl_; mps unitprocessor pc halapic.dl_ standard pc hal.dl_; compaq systempro multiprcessor or 100% compatible halsp.dl_. The Device Manager can be computer-based project can be seen, or see hal.dll version information. If you can not enter because the system can not know what is that type. Can be tested one by one, which is what can start ^ _ ^