BIOS is motherboard's low-level software for CPU and hardware interaction. Updates fix bugs, add support and improve performance. Updates may wipe custom settings like overclocking voltages
BIOS access is essential for computer settings and performance optimization. Common issues include incorrect BIOS key presses, faulty CMOS battery, or hardware problems. BIOS can fail due to power failure, malware, or accidental BIOS damage
BIOS is the core processor software responsible for PC startup. BIOS runs Power-On Self Test (POST) to check hardware functionality. BIOS stores settings in CMOS memory chip. BIOS manages data flow between operating system and hardware
PC displays "Please enter setup to recover BIOS setting" message during cold boot. Error can occur due to dead CMOS battery, outdated BIOS, or system file corruption
Windows 7 UEFI installation requires mainboard support. 32-bit Windows 7 cannot be installed on GPT disks. Installation needed for drives over 2TB capacity
CSM enables legacy BIOS compatibility with UEFI systems. It allows UEFI to boot from MBR-partitioned disks. CSM is a component of UEFI firmware