HP D1400 issues, flashing lights

If the lights are flashing (blinking), it could mean a few things.

That the printer is actually in the process of printing a page but it’s a bit slow. Leave it like 2-3 ...


Identify network card speed?

For PC desktops with Windows 7 (it’s something very similar for the other Windows versions like XP, Vista or 8), go to Control Panel > Network and Internet > Network and Sharing Center > ...


Restore last Firefox session?

It is very easy to do it.

Just write in the URL bar of your browser: “about:home“.

That is the actual URL for the default Firefox start page.

Once there, ...


Nexus 7 won’t open?

If your Nexus 7 tablet doesn’t start (the screen stays black), don’t panic.

This issue happens if the tablet didn’t had power for a day, or half a day. If the ...


How to identify a font from a PSD file?

This works only for .psd files (the source files). When you open a .psd file that contains text and you select that text, Photoshop will warn you about the missing font. If you try to change the ...


The easiest way to modify a PDF file?

You can modify a PSD file but you won’t be able to save it as .pdf, only in image formats as .jpg, .png, .gif and so on. If you just want to print the file, it won’t matter if it’s a pdf ...