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  2. Device Manager - Wikipedia

    en.wikipedia.org/wiki/Device_Manager

    Windows successfully loaded the device driver for this hardware but cannot find the hardware device. 42: Windows cannot run the driver for this device because there is a duplicate device already running in the system. 43: Windows has stopped this device because it has reported problems. 44: An application or service has shut down this hardware ...

  3. Service Control Manager - Wikipedia

    en.wikipedia.org/wiki/Service_Control_Manager

    Each service's registry key contains an optional Group value which governs the order of initialization of a respective service or a device driver, with respect to other service groups. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, which contains the actual database of services and device drivers and is read into SCM's internal database. [3]

  4. Interrupt - Wikipedia

    en.wikipedia.org/wiki/Interrupt

    A hardware interrupt is a condition related to the state of the hardware that may be signaled by an external hardware device, e.g., an interrupt request (IRQ) line on a PC, or detected by devices embedded in processor logic (e.g., the CPU timer in IBM System/370), to communicate that the device needs attention from the operating system (OS) [7] or, if there is no OS, from the bare metal ...

  5. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    • Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info. • Recent account changes - Shows the last 3 password changes. Click show all to see all changes. IP addresses in Recent activity

  6. Firmware - Wikipedia

    en.wikipedia.org/wiki/Firmware

    For modern simpler devices, such as USB keyboards, USB mouses and USB sound cards, the trend is to store the firmware in on-chip memory in the device's microcontroller, as opposed to storing it in a separate EEPROM chip. Examples of computer firmware include: The BIOS firmware used on PCs

  7. BIOS - Wikipedia

    en.wikipedia.org/wiki/BIOS

    The BIOS uses the boot devices set in Nonvolatile BIOS memory , or, in the earliest PCs, DIP switches. The BIOS checks each device in order to see if it is bootable by attempting to load the first sector (boot sector). If the sector cannot be read, the BIOS proceeds to the next device.

  8. Data loss - Wikipedia

    en.wikipedia.org/wiki/Data_loss

    Upon realizing data loss has occurred, it is often best to shut down the computer and remove the drive in question from the unit. Re-attach this drive to a secondary computer with a write blocker device and then attempt to recover lost data. If possible, create an image of the drive in order to establish a secondary copy of the data.

  9. Device file - Wikipedia

    en.wikipedia.org/wiki/Device_file

    In Unix-like operating systems, a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. There are also special files in DOS , OS/2 , and Windows .