The HP All-In-One printer would do nothing except display the logo when plugged in. For hours or days. Discovered that the solution is to unplug the wireless card. What can be done to fix the wireless card? Has it gone bad or is there a firmware upgrade that can be applied. I have talked to 4 technicians at HP who do not seem to have any information on the problem nor the solution.
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This was solved really well on this blog. It is some problem with the wifi board. If you disconnect it (no so hard and well explained on the blog) you will have network printing over a cable but no wireless.
there might be a hardware issue with the LCD however u can try to reset the printer by the following steps .
Perform a semi-full reset on the all-in-one by following the steps below
1 Take out the cartridges from the unit . 2 Make sure the unit is connected to the wall jack directly without any surge protector. 3 Unplug the power cord from the back of the unit ( without turning off the unit ) . 4 Now press the # and 6 key together , while holding these keys down plug in the power cord back into the unit . 5 Do not release the keys after a few seconds u will find te hp logo or bars moving across the screen .wait while the unit turns off. 6 after one minute turn on the prnter . it will go into alligment phase > let it finish . 7 after its done > try to make a copy .
8 Allow the all-in-one to re-initialize. This may take a minute or two.
9 If prompts appear in the all-in-one display to set the front panel language and country settings, perform the steps to set this information
remove the power cable directly from the back of the printer, press and hold # and 9 while holding both these buttons put the power cable back to the printer. now let the buttons go when the on light starts flashing