LPT1 vanished - IRQ conflict?


R

Roger Moss

Win XP Home w/SP2:

After no problems for quite some time, my USB-connected HP 1220c printer
suddenly stopped working - even from the DOS prompt. Device Manager shows
only LPT2 in [Ports], so I ran HP System Diagnostics, which digs a little
deeper and reports LPT1 is 'not connected to the system'.

I assume that the USB printing is via a virtual printer port, i.e. using
LPT1.

Reinstalling the printer software gave no success, maybe not surprisingly -
I'm now wondering whether there's a conflict of IRQ.

Help me save my sanity, please...

Thanks,

RM
 
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Y

Yves Leclerc

Check you BIOS? USB can not be using LPT1. USB installs its own driver.
 

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