Stop using the Surface and arrange hardware service; the audible pop, immediate shutdown, blank illuminated panel, and failure of the documented startup procedures make further software troubleshooting inappropriate until the device is inspected.
What to do now
- Disconnect the charger, Type Cover, USB devices, and all other accessories.
- Do not repeatedly power it on or leave it charging unattended.
- If there is unusual heat, swelling, odor, smoke, or screen separation, place it on a nonflammable surface and do not attempt another startup.
- On another device, open the Microsoft device page, sign in, and register the Surface if it is not listed.
- Select the Surface Pro 9, check its warranty, and create a service order. Microsoft offers mail-in repair and, in supported regions, authorized in-person service.^1^
Microsoft’s startup guidance directs users to repair or replacement when a Surface still will not start after the supported procedures.^2^
Which component is affected?
The symptoms are insufficient to identify one replaceable part reliably. Possibilities could involve the power, battery, motherboard, display, or their interconnections, but naming a specific failed component without electrical and hardware diagnostics would be speculation. The screen’s blue/grey backlight only shows that part of the display system receives power; it does not establish that the display itself is faulty.
Do not buy a display, battery, SSD, or motherboard based solely on these symptoms. The Surface Pro 9 has replaceable components, but Microsoft describes self-repair as intended for technically experienced users with the correct tools, primarily for out-of-warranty repair.^3^ Opening it requires display removal, battery and ESD precautions, specialized tools, and model-specific procedures; Microsoft warns not to proceed if any part of the repair is uncertain.^4^
USB recovery only if startup becomes stable
If the Surface later remains powered on long enough to show the Surface logo consistently, a model-specific Surface recovery USB can distinguish damaged Windows installation files from a hardware failure. Do not attempt this while it continues to pop or power off unexpectedly.
Be aware that recovery erases personal files, settings, and installed applications.
- On another Windows PC, download the recovery image for the exact Surface model using its serial number.
- Create a FAT32 recovery drive using a blank USB drive with sufficient capacity; Microsoft states that 32 GB is enough for any recovery image.
- Copy the extracted recovery-image files to the drive.
- With the Surface off and connected to power, insert the USB drive.
- Hold Volume Down, press and release Power, and release Volume Down when the Surface logo appears.
- Select Troubleshoot → Recover from a drive.^5^
If it powers off during recovery, cannot reach the logo, or cannot remain in UEFI, discontinue the attempt and proceed with service. The Surface Diagnostic Toolkit is not suitable here because it requires the device to boot into a Windows user account.^6^
References