Question about HP Compaq Presario F730US Notebook
Had the same problem. In my situation it was related to the Graphics processor. Remove the memory access cover and apply firm pressure on the corner of the simm socket and see if it starts / boots. Also try downward pressure from the top side left of the touchpad. If it works then you need to put a shim on top of the GPU chip (between the plastic base and the GPU). I used an old rubber foot from an old case. Reassembled... so far so good. Note: if you look at the GPU you'll see that it's glued in addition to being soldered. A manufacturing "fix"... obviously a known problem.
Posted on Sep 07, 2009
My daughters F700 was working OK and the next time she went to wake it up it wouldn't boot!
The HD light would flash once and I'd hear it grunt twice. The fan would start and almost immediately stop. The screen was absolutely BLACK.
I tried all of the remove the battery and power adapter hold down the power button tricks to no avail. Including taking out the RAM and also disco the BIOS battery.
Nothing worked. What saved me was a comment by one responder, that he just left it on. The trick is to get it to stay on. I did by putting a restore disk in and it seemd to stay powered up.
I went away for about 20 minutes or so and was sitting at my desktop and heard things happening with the laptop.
When I checked I found it still with a black screen, but the fan was now running constantly. I took out the startup disk and tried doing a keyboard reboot. NO DICE!
I then held the power switch until the laptop shut down. I waited a respectable 3 to 4 seconds and powered it up. Lo and behold there was the BIOS setup screen. I hit F1 to proceed and was sent to the SAFE MODE select screen. I chose Normal Startup and the laptop booted up and worked.
I chose to go into the control panel and disable sleep mode for both battery and powered modes. Naturally I will never select sleep or hibernate when I shut down either.
The trouble with this situation is for all intents and purposes, you would consider trashing the computer.
Hope this helps. JOHNNYBOY
Posted on Dec 01, 2009
I've got the same laptop, with the same experience and so have numerous others on the web. I've resigned that the only possible solution is to replace the motherboard, and I've waited about five months hoping that HP will offer extended warranty on this product.
Hasn't happened yet to my knowledge, and ordering a MB from Hong Kong will cost me about $200. Which may not even be a long term solution, if there is something about the laptop causing the problem that will fry the new MB. So my only recourse may be to boycott HP and steer anyone I can away from them.
Posted on Jul 14, 2009
Mmm then the most possible problems would be either the system is unable to load data from cmos or a power problem. Did u check the heat of the CPU. Does it get enough power? did u check the power device? That has to be done first. As I feel its related to non other than the power unit or the switch circuite. And there may be a leakage. Check the switch whether it gets clicked twice. Or some thing similar to that signal.
Check the speed of the fan (when its started).
Check it and comment again.
Let's solve this sonner.
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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