HP Compaq - HP 840 G1 bios Main 2 MB Main 16 MB HP 840 G1 not power on https://bios-fix.com/index.php?threads/hp-840-g1-not-power-on.49771/#post-82134
Please try HP elitebook 840 g1 6050A2560201-MB-A03 clear me bios below and reply HP elitebook 840 g1 6050A2560201-MB-A03 backup_clear me.zip
got an hp elitebook 840 G1 that as soon as you plug it in, fan goes full blast, doesnt stop, doesnt post, nothing else