What is Error code 0xc00000e9

Error 0xc00000E9 occurs both in Windows 7, Windows 8 and Windows 10. You often encounter this error while installing a certain version of the operating system, or when you have completed the installation of the operating system, this error occurs when you restart your computer.

You would see “Recovery, There was a problem with a device Connected to your PC” or “An Unexpected I/O Error has occurred, Error code:0xc00000e9”.

Cause of error 0xc00000e9

Similar to error 0x8007042b, 0x80070057, there are many causes of error 0xc00000e9. Your computer driver is outdated, your hard drive is corrupted, the Windows update file that you installed has failed, your computer is infected with a virus or malware, all of them can be the cause of error 0xc00000e9. Here we will guide you how to fix this error with each specific reasons.

How to fix error 0xc00000e9

Method 1: Scan virus and check the connection of the hardware devices to your computer

In case of error 0xc00000e9 occurs during the process of using your computer. Can the cause of the error is that your computer is infected with a virus or malware, or one of your hardware devices is corrupted, or it simply encounters a problem when connecting to your computer.

First, scan your computer for viruses. Some antivirus software recommend that you use: Avira Antivirus 2018, AVG AntiVirus, Avast Antivirus 2018, Kaspersky. The software comes with free and paid versions that fit your needs. After the virus scan, if your errors are not fixed, try disconnecting the external devices to your computer (external hard drive, printer, mouse or keyboard …), then restart your computer. If the error has been fixed, congratulations – if not, try the next solution.

Method 2: Change your BIOS setting

You need to reconfigure your computer’s BIOS settings to the defaults. To enter your computer’s BIOS, refer to the list below:

Asus Computers

VivoBook F200ca, F202e, Q200e, S200e, S400ca, S500ca, U38n, V500ca, V550ca, V551, X200ca, X202e, X550ca, Z202e.

Boot Menu: ESC

Bios Setup: DEL

Zenbook Infinity UX301, Infinity UX301la, Prime UX31a, Prime UX32vd, R509C, Taichi 21, Touch u500vz, Transformer Book TX300, Eee PC 1015, 1025c.

Boot Menu: ESC

Bios Setup: F2

K25f, K35e, K34u, K35u, K43u, K46cb, K52f, K53e, K55a, K60b, K70b, K72f, K73e, K73s, K84l, K93sm, K93sv, K95vb, K501, K601, X64c, X64v, X90, X83v, X83vb, X90, X93v, X95v, X101ch, X102b, X200c, X202e, X301a, X401a, X401u, X501a, X502c, X750ja:

Boot Menu: F8

Bios Setup: DEL

Dell Computers

Boot Menu: F12

Bios Setup: F2

Sony VAIO Computers

VAIO Duo, Pro, Flip, Tap, Fit

Boot Menu: There is support key

Bios Setup: There is support key


Boot Menu: F11

Bios Setup: F1, F2, F3


Boot Menu: Esc, F10

Bios Setup: F2

HP Computers

Boot Menu: ESC, F9

Bios Setup: ESC, F1, F10

Acer Computers

Boot Menu: F12 or Esc, F9.

Bios Setup: F2 or DEL

Compaq Computers

Boot Menu: Esc, F9

Bios Setup: F10

EMachines Computers

Boot Menu: F12

Bios Setup: Tab, Del

Fujitsu Computers

Bios Setup: F2

Lenovo Computers

Boot Menu: F12, F8, F10. The IdeaPad P500 series is F12 or Fn + F11

Bios Setup: F1, F2

Samsung Computers

Boot Menu: ESC. Ativ Book 2, 8, 9 is F2 only

Bios Setup: F2. With Ativ Book 2, 8, 9 is F10

Toshiba Computers

Boot Menu: F12

Bios Setup: F2. With the Protege, Satellite, Tecra are F1, Esc

  1. Go to BIOS settings.
  2. Select “Load Optimal Defaults”.
  3. Under “Advanced” section. Configure the setting to either AHCI or IDE.
  4. Save the settings before rebooting your computer

Method 3: Restore your computer to the point at which it worked without any problems

  1. Start your computer and log on as an administrator.
  2. Click the Start button then select All Programs, Accessories, System Tools, and then click System Restore.
  3. In the new window, select “Restore my computer to an earlier time” option and then click Next.
  4. Pick a past date when your computer worked without any issues from the “On this list, click a restore point” list, and then click Next.
  5. Click Next on the confirmation window.
  6. Restarts the computer to finished.

Method 4: Update or reinstall the drivers for your computer

You need to find the latest drivers for your device. You can search for them automatically or manually.


You can search for drivers + device name on Google, or search on the official website of the hardware vendors. If you use a synchronous computer or laptop, you can search for drivers by entering the serial number of the computer on the Microsoft website.


You can use some automated driver search software, example Driver Easy, Driver Booster, Driver Detective…Download software, scan and install the latest drivers.

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