Helping a friend. Her Win7 HP laptop hangs in POST if her Epson WF-3640 printer is plugged into any USB port. This older laptop only has USB2 ports, no USB3 ports. A receiver for her wireless mouse is plugged into one USB port and the laptop can boot up fine if that is the only thing plugged in. She had a second WF-3640 printer so we tried it but the same hang occurs, so it's not a bad printer.
This has nothing to do with the OS since the hang is in POST before even starting the OS boot. When the hang occurs the screen is black with the HP logo and wording at the bottom left to click startup or something like that. (If the printer's USB is NOT plugged in, that same black screen occurs for 8 seconds and then the boot continues normally into Win7, so apparently that black screen is just a normal thing during POST boot.) As long as the printer is plugged in, the hang occurs and nothing works so I'm not able to use the laptop's keyboard to enter BIOS if the printer is plugged in.
Without the printer plugged in, I entered the BIOS and the boot order is the hard drive first. I did not notice if there was a USB entry in the boot order list at the time, but even if there was, it was definitely not first in the boot order.
Anyone have a similar problem and know of the fix? Or maybe, is there a setting in the Epson WF-3640 printer that can prevent this?
This has nothing to do with the OS since the hang is in POST before even starting the OS boot. When the hang occurs the screen is black with the HP logo and wording at the bottom left to click startup or something like that. (If the printer's USB is NOT plugged in, that same black screen occurs for 8 seconds and then the boot continues normally into Win7, so apparently that black screen is just a normal thing during POST boot.) As long as the printer is plugged in, the hang occurs and nothing works so I'm not able to use the laptop's keyboard to enter BIOS if the printer is plugged in.
Without the printer plugged in, I entered the BIOS and the boot order is the hard drive first. I did not notice if there was a USB entry in the boot order list at the time, but even if there was, it was definitely not first in the boot order.
Anyone have a similar problem and know of the fix? Or maybe, is there a setting in the Epson WF-3640 printer that can prevent this?