This has a led screen that says press start...so when i press start nothing happens...when i unplug the power the led goes out..so i know its getting power...i removed the battery and tried a different one..still nothing....what now
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This may cause by an electrical charge in the motherboard itself,Im not really sure how it affects the display of the computer.There's also a possibility that the problem is with the LCD cable or the LCD itself. Please follow this method since it usually fix such problem like that,
1.Removed the battery then unplugged the AC adapter
2.Press and hold the power button or the ON/OFF button for at least 30 seconds
3.Connect the power supply back to your computer then turn it back on.
4. Check if you will see any difference.
5. If nothing happens, try to press and hold Fn and F2 on the keyboard.
If nothing happens, there is a possibility that the problem is with the LCD or monitor itself, maybe it will need a replacement...
I hope this information will be helpful. Thank you for using FixYa...
Welcome to FixYa
Perform a Hard Reset first.
Disconnect devices including USB devices and media cards.
Disconnect the AC power adapter, remove the battery
Press and hold the power button 15 seconds .
connect the power adapter -do not connect the battery-
Press the Power button, Look for blinking LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.
I'd like to help you, but it is very difficult to diagnose based on your description. We will need to gather more info as we try a few things.
1.Why are you reinstalling?
2.How old is the system?
3.Try the following & let me know the result: turn system back on. When the normal LED indicators are on, press & hold down the power button for 4+ seconds until everything goes off.
4.If step 3 worked, then turn power on & hit bios setup key (f2?).
5.See if HDD is detected.
1. Turn off computer and unplug power cord.
2. Disconnect all external devices(open up the computer tower and then )
3. remove battery
4. press power button and hold for 10-15 seconds
5. plug power cord back into computer and press power button.
6. Check LED’s and listen for power supply fan.
7. If LED’s are on or power supply fan starts spinning, watch for boot screen
8. If coputer begins to turn on, turn it off.
9. Reconnect battery and external devices.
10. Press power button and make sure computer starts.
I have been having the same problem. At first I thought that the motherboard was fried and the laptop was a paper weight, but I kept it plugged in and kept pressing the power button several times over the days. It would always seem to start (screen remained off/black) and then it would just go off again in seconds. But persevarence has paid off, finally almost after a week it started up like normal and started working again as normal. I then had the same episode repeat a few weeks later, the computer was useless for a few days and again started up as I kept pressing the power button several times a day.
I believe the problem is with the standby mode. Each time the problem happened, it seems like the computer was going into standby mode and the power button was pressed again before it could competely go into standby or the button was pressed again while it was coming out of standby.
To sum it up, nothing is wrong with the cimputer components, there is some problem with the standby routine. Keep pressing the power button and hopefully you can get lucky in getting the computer to start again. Long term, I am thinking about checking whether there was a new flash update that came out that could fix this problem. I purchased the laptop compaq F72US in 2008 and never updated anything. Also worth noting that I called HP and they didn't stand behind their product.