Windows & BSOD · high

How to fix0x8007045D

I/O Device Error - Storage

What this error means

I/O Device Error - Storage is a high-severity Windows operating system issue. Request could not be performed because of an I/O device error. Often indicates failing sectors. This usually traces back to faulty SATA cable and USB connection drop. See the troubleshooting steps below for the fix.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Run chkdsk /f /r

Run chkdsk /f /r.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Replace storage cable

Replace storage cable.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Test disk in CrystalDiskInfo

Test disk in CrystalDiskInfo.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Damaged sector
  • Faulty SATA cable
  • USB connection drop