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# HP BIOS Update (Batch)
Automates **HP BIOS** updates using HP tools (`HpFirmwareUpdRec.exe` / `HPBIOSUPDREC.exe`) and optional `install.cmd`, with consistent logging and exit handling.
## How it works
- Detects architecture to call proper binaries (`sysnative` when needed).
- Finds the **first subfolder** next to the script and treats it as the **BIOS package folder**.
- Cleans previous `HpFirmwareUpdRec.log`, then runs:
- `HpFirmwareUpdRec.exe -s -r -h -b -f"<folder>"` if present
- `HPBIOSUPDREC.exe -s -b -r -a` if present
- `install.cmd` if present
- Writes detailed logs to **`C:\pnpDrivers\BIOS.log`** (including result code).
## Exit codes (mapped)
- **3010** → SUCCESS: *Reboot required*
- **1602** → CANCEL: *Dependency prevents completion*
- **273** → CANCEL: *Same BIOS version (no update)*
- **282** → CANCEL: *Attempted downgrade (older version)*
## Requirements
- Run as **Administrator**.
- Place HP BIOS package files in a **subfolder** next to the `.cmd/.bat`.
- Supported tools inside that folder: `HpFirmwareUpdRec.exe` and/or `HPBIOSUPDREC.exe` (from HP).