Question about HP Pavilion 754n PC Desktop

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No power will not turn on monitor or key board

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  • jwpp May 03, 2008

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Have you plugged both of these into the back of the tower? Ensure the keyboard is in the appropriate plug-in, and the monitor's power cord is plugged into both the wall and the monitor itself.

Posted on May 04, 2008

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Posted on Jan 02, 2017

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1 Answer

My HP A735W is turning on but stays in power save mode and no key board or mouse function


I think the issue is your monitor. If the monitor constantly says Power Save Mode and not let anything else display then the monitor might be bad. See if we can isolate the problem by the steps below.

Try booting up in Safe Mode and see if the monitor works ok.

Turn off the computer, then hit the power button to turn it back on and immediately start hitting the F8 key repeatedly until you see SAFE MODE. Take the Safe Mode option and let it boot up. Safe Mode will look different to you, the screen will be darker and the icons bigger, this is normal. If it works ok in safe mode then the monitor is ok and we might have an issue with a setting.


Try connecting another monitor to your computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor works ok, then your original monitor is bad. If the Borrowed monitor does the same thing as your original monitor then the issue is with the computer (possibly the video card).

May 20, 2012 | HP Pavilion a735w (PL308AAR) PC Desktop

1 Answer

Monitor goes blank and power light remains on and when i turn it back on, it stays on for about 3 seconds and goes blank again. thank you!


  • Turn on CPU.
  • CPU will be start booting. Red/yellow light will be blinking. If yes then check your monitor light will be fixing and Show *********** Board.
  • If shows and your OS will be Booting and fail to start.
  • If yes you can repair it.
  • Insert OS disk into the DVD driver.
  • Turn off PC.
  • Turn on
  • "Press any key........" when comes this message you press any key.
  • After that you can see two option


?? Fresh copy Installation OR

?? Repair Option


  • For Repair Press "R"
  • It will be start repairing


Thanks.

May 15, 2011 | HP Compaq WF1907 Monitor

1 Answer

Monitor is in piwer safe mode press any key on the keyboard or move ouse. NOthing happens.


Check your PC connection.

If thats fine, most likely you have some bad capacitors on your power board. Desolder them, then solder on new compatible ones.

Also please clarify your question a bit more. What exactly happens when you first turn on your monitor? Does anything come up? Does the power light turn on?

Jan 12, 2010 | Dell E173FP 17" LCD Monitor

1 Answer

TURN IT OFF ATER 1 SECOND from turning on


Hello sir/maam, good day, the problem is caused by the power supply board, this board is replaceable, but you may need to disassemble the unit. But first make sure that the CPU is not the problem? to confirm, you should here the single beep (good) or the keyboard numlock led is on and off as you press the numlock key.

Nov 11, 2009 | CTX M Series M730V (Gray, Silver) 17" LCD...

2 Answers

Power light goes out but power remains thru the m-board fan runs


you need to replace the power supply. The fan sound is the fan for the power supply and not the computer. for cheap parts or used goto headgap's. They know what you need and probably even help you replace it yourself.

Jul 03, 2009 | Computers & Internet

2 Answers

Samsung 215TW Monitor Flicker


Its the capacitors on the backlight power supply. Samsung installed crappy ones and they blow up after a year or two. Change out the caps and you're good to go

Jan 30, 2009 | Samsung 215TW SyncMaster 21" LCD Monitor

2 Answers

My computer monitor is blinking on and off


You will have to have your power board and inverter redone. This is probably a transistor problem that is causing the flashing. You could also have a few bad capacitors.
I do a lot of monitor boards via ebay. I haven't done this model yet.
If you take it apart and send me pictures, I can tell you what to look for if I see anything.
bammbammfran

Oct 20, 2008 | Envision EN-985e Monitor

2 Answers

Monitor Problem


Use ctrl+alt+ up Arrow key on your keyboard (you can also use use ctrl+alt+ left/right Arrow key)

Good Luck

Jan 17, 2008 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

1 Answer

Sleep mode


I turned my power off from monitor and tower and turned them back on simutaneously with the F8 key. It worked.

Dec 17, 2007 | HP Pavilion F1703 17" LCD Monitor

1 Answer

ViewSonic Monitor has trouble to wake up after been shut down?


Ok sounds to me like a power supply problem.. this a a fairly common symptom. I suggest that as a temporary fix you set the monitor to NOT turn the power off to the monitor in sleep mode if possible, in your power settings for the monitor.

Jul 24, 2007 | ViewSonic VX924 19" LCD Monitor

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