Computer Repair Sacramento CA - Jonathan Warner Knowledge Base: How to resolve PRB 4 XLDR ATA Error and Loading PBR for Descriptor 2 Error for Dell laptop repair and Dell computer repair.
I have confirmed the PRB 4 XLDR ATA Error can be caused by malware, such as the TDSS Rootkit which uses a forth partition (usually less than 10Mb) at the end of the drive. Once the malware is removed, errors may persist in the form of loading pbr for descriptor 2 error.
The information presented here is informational only. Malware removal and system configuration changes should only be performed by trained technicians.
PRB 4 XLDR ATA Error - Malware Scan
Use TDSSKiller to scan for the TDSS file system: Click Change Parameters. Select TDLFS File System. Click OK. Click Start Scan.