COMPUTER SCIENCE AND IT SOLUTION

Windows setup ,Selecting the operation system you want to install.

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An operating system (OS)     An operating system (OS) is a set of programs that control the execution of application programs and act as an intermediary between a user of a computer and the computer hardware. OS is software that manages the computer hardware as well as providing an environment for application programs to … Read more

0xc000000f error code.

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How to fix 0xc000000f error code  Windows fail to restart. a recent hardware or software change might be the cause . How to fix the problem Insert your windows installation disc and restart your computer Choose your language setting and then click ”next” Click ”repair your computer“ If you do not have this disc ,contact your … Read more

BOOTMGR is missing | solutions

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BOOTMGR is missing; Press Ctrl+Alt+Del to restart When you turn on a computer shows that (BOOTMGR is missing) and when use that ( Press Ctrl+Alt+Del) command still the same. HDD not detected , go to Bios, boot option and check if  HDD appears or not. Usually means that there is no operating system installed or booting … Read more

System battery voltage low.

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The CMOS battery / System battery Is a battery which powers the memory for date and time in the BIOS chip. This battery is generally a watch battery. What is a CMOS battery in a computer? CMOS Battery – Complementary Metal-Oxide Semiconductor Battery CMOS is an on-board battery powered semiconductor chip inside computers that stores … Read more

Invalid partition table.

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Invalid partition table! Master Boot Record (MBR) disks use the standard BIOS partition table.  Guid Partition Table (GPT) disks use Unified Extensible Firmware Interface (UEFI).  One advantage of GPT disks is that you can have more than four partitions on each disk.  GPT is also required for disks larger than two terabytes (TB). You can … Read more

Computer maintenance

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Computer maintenance A power supply unit (PSU) A power supply unit (PSU) converts alternating current (AC) electric power to low-voltage direct current (DC) power for the internal components of the computer. Laptops are capable of running from a built-in battery, normally for a period of hours. How to troubleshot power supply problems should disconnect prom … Read more

How to Format a Hard Drive Using the Command Prompt.

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Format Command The format command is a Command Prompt command used to format a specified partition on a hard drive (internal or external), floppy disk, or flash drive to a specified file system. Format Command AvailabilityThe format command is available from within the Command Prompt in all Windows operating systems including Windows 10, Windows 8, … Read more