How To Factory Reset HP Stream Without Space Error

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If your HP Stream shows the error message “Boot Device Not Found – Please install an operating system on your hard disk (3F0),” it means Windows is missing or corrupted, or your device isn’t detecting the internal storage. Don’t worry—here’s a simple step-by-step guide to help you fix this issue and get your device back up and running.

First, you should run a diagnostic test to check the health of your hardware. Turn on your HP Stream and immediately press the F2 key repeatedly. This will open the system diagnostics menu. Navigate to System Tests > Quick Test > Run Once. Wait for the test to complete. If it reports “Hard Drive Not Found” or fails, your internal storage might be damaged or disconnected. In that case, you’ll need service or a replacement. If the test passes, move on to reinstalling Windows.

Since the original Windows installation is missing, you’ll need a USB drive with a fresh Windows installer. On another computer, go to Microsoft’s official Windows download page and download the Media Creation Tool. Run the tool, select Create installation media for another PC, choose your Windows version (Windows 10 Home is common for HP Streams), and create a bootable USB drive.

Next, insert this USB into your HP Stream. Turn on your device and immediately tap the ESC key repeatedly until the Boot Menu (F9) appears. Use the arrow keys to select your USB drive and press Enter. Your device will boot from the USB. Follow the on-screen prompts to install Windows. Choose Custom Install, delete all existing partitions, and then install Windows on the unallocated space. Once done, Windows will activate automatically because the license is linked to your device.

After installing Windows, the next step is to install drivers to ensure everything works smoothly. Connect your device to Wi-Fi, then visit the HP Support Drivers page. Enter your HP Stream model number, download, and install all the recommended drivers.

If you notice this error happening frequently after power loss or updates, it may be a sign that your eMMC storage is failing. This is common on older HP Streams. In such cases, contact HP Support—they might replace the storage under warranty if it’s still covered.

Following these steps should help you resolve the “Boot Device Not Found” error and get your HP Stream working again.