<![CDATA[iFixit - Answers With Device "HP EliteBook 1040 G4"]]> https://www.ifixit.com/Answers/Device/HP_EliteBook_1040_G4?rss=yes en-US Mon, 17 Aug 2026 09:03:03 -0700 <![CDATA[HP EliteBook 1040 G4: Black screen, capslock and numlock flash 5 times]]> I have an elitebook 1040 g4 that I got as a failed laptop, I had it working intermittently for a while, then it stopped completely.

When I started looking at the issue, I took the board out, found I had knocked a diode off the board.

I've resoldered the diode, seems to be connected and passes a diode test on the multimeter.

Frustrated, can't find a schematic, not sure what's what.

⟐ Commented March 17, 2026 at 0:08 MST

]]> https://www.ifixit.com/Answers/View/714036/Black+screen,+capslock+and+numlock+flash+5+times https://www.ifixit.com/Answers/View/714036 Tue, 17 Mar 2026 00:08:34 -0700 <![CDATA[HP EliteBook 1040 G4: Has the blue screen plus when powerd on it powers off and repeats]]> What might be the problem

]]> https://www.ifixit.com/Answers/View/949911/Has+the+blue+screen+plus+when+powerd+on+it+powers+off+and+repeats https://www.ifixit.com/Answers/View/949911 Sat, 11 Apr 2026 23:17:28 -0700