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Monitor shut off, no BIOS post, no keyboard or mouse lights, will not boot

I was working on my computer when the monitor suddenly shutoff. I did a manual reset and now the monitor will not turn on and the BIOS will not post. After trying several things, the BIOS posted once, and now will not post anymore. I reset all items. Booted the computer with only the CPU, RAM and Video card, still no post. I tried a different power supply, still no beeps or posts. No keyboard or mouse lights either. Any help ASAP would be great! Thanks!!!!

System specs
P4 3.4 Ghz
Gigabyte GA-8KNXP motherboard
3 GB RAM
X800XT video card
XP Pro

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Try another (Known good monitor). Or try you're monitor on another system.
Remove all memory except 1 DIMM. Double check all data cables (internally) & power cables. Remove the added video card. Try booting the system. Watch for the case LEDs to flash/blink, listen for hard drive spin up /cd-rom spin up. Lastly pull the battery & check with a volt meter. Bios battery should test no less than 3 volts. Post the correct MD rev.

Mike

Posted on Jul 24, 2008

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1 Answer

My Gigabyte GA-K8NF-9 Bios fails to POST, thus to say no display on the screen, no keyboard and mouse power. I checked the RAM, CPU, fun and Power supply all seem to be fine but no beep during POST.


Go back into your BIOS and set it to default settings. Make sure you have only the monitor, a PS2 keyboard and PS2 mouse plugged in.

Apr 23, 2011 | Motherboards

2 Answers

Cant get my screen to show anything other than menu


During the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
or
During the boot process tap the f8 button three times this will boot into safe mode where the only things
working will be your mouse and keyboard enabling you to attempt to repair your computer
hope this helps
don

Feb 28, 2011 | HP Motherboards

1 Answer

No display


This issue can be caused by any of the below possibilities.

  1. Monitor is not on
  2. Computer is asleep
  3. Connections not connected properly.
  4. Monitor settings are not correct.
  5. No Post.
  6. Hardware issue.
Solution: The following is monitor troubleshooting. If your monitor receives a proper display until it gets into Windows 3.x, Windows 95, Windows 98, Windows NT, Windows 2000, Windows ME, or Windows XP please refer to document CH000192.

Monitor is not on

Make sure the monitor is on. If no power light (green or orange light) is seen on the monitor display try pressing the power button until it comes on. If no light comes on after several attempts continue to below connections not connected properly.

Computer is asleep

If your computer monitor was on and you stepped away from the computer and upon returning it was black it's likely that the computer is asleep. Try moving your mouse, clicking the mouse buttons, and/or pressing any key (space bar) on the keyboard to wake it up.

Connections not connected properly

vga.jpgMake sure that you are connecting the monitor to the back of the computer in the 15-pin connector as shown to the right or older computer 9-pin connection.

If the computer is properly plugged in, make sure it's getting getting power.

If you are not receiving power from a known working wall outlet and if the power cord is removable, replace it with the one connected to the computer and attempt to power on the monitor again. If the monitor still does not get power or it is not removable, it is recommended that the monitor be replaced or serviced at a local TV / Computer repair shop.

If the monitor is receiving power, check the status light.

If the light is orange or flashing ensure that the monitor is not in a suspend mode by moving the mouse or pressing a key on the keyboard. If the computer does not get a display by moving the mouse or touching the keyboard, turn off the computer and monitor and reconnect the data cable from the back of the computer, and if removable, the back of the monitor. Turn the computer back on; if you still encounter the same issue, continue reading through the other possibilities.

Monitor settings are not correct

Ensure that the brightness and contrast is turned up or attempt to adjust the brightness and contrast. If adjusting the brightness or contrast has no affect on the monitor continue reading through the other possibilities.

No Post

Does the computer beep when it is powered on and/or does it appear that the computer has activity? If the computer does not beep or beeps abnormally it is possible that the computer itself is experiencing a hardware issue or is exhibiting a No Post.

Steps on troubleshooting an irregular POST or no beeps can be found on document CH000607.

Hardware Issue

If you have followed the above recommendations and are still encountering the same issue, it is likely that the computer may have either a bad video card or monitor. The best method of determining this is to do one or both of the following

  • Disconnect your monitor and attempt to connect it to another computer. This can be a friend or family's computer and/or it can be taken to a service center.
  • Borrow a computer monitor and connect it to your computer. This will not harm the other computer monitor in any way.

If your monitor works on another computer it is safe to assume that the video card or potentially the motherboard within the computer is bad. Steps in troubleshooting a video card can be found on document CH001028.

Nov 26, 2010 | ASUS P4S333 Motherboard

1 Answer

Updated bios problem on a780gm-a


I think you had a bad flash!

So re-download a new bios file from there web site and try again, with these instructions....

Updating the BIOS
You can download and install updated BIOS for this motherboard from the
manufacturer’s Web site. New BIOS provides support for new peripherals, improvements
in performance, or fixes for known bugs. Install new BIOS as follows:

1 If your motherboard has a BIOS protection jumper, change the setting to
allow BIOS flashing.

2 If your motherboard has an item called Firmware Write Protect in Advanced
BIOS features, disable it. (Firmware Write Protect prevents
BIOS from being overwritten.)

3 Create a bootable system disk. (Refer to Windows online help for
information on creating a bootable system disk.)

4 Download the Flash Utility and new BIOS file from the manufacturer’s
Web site. Copy these files to the system diskette you created in Step 3.

5 Turn off your computer and insert the system diskette in your computer’s
diskette drive. (You might need to run the Setup Utility and change the
boot priority items on the Advanced BIOS Features Setup page, to
force your computer to boot from the floppy diskette drive first.)

6 At the A:\ prompt, type the Flash Utility program name and the file name
of the new bios and then press <Enter>. Example: AMINF340.EXE
040706.ROM

7 When the installation is complete, remove the floppy diskette from the
diskette drive and restart your computer. If your motherboard has a
Flash BIOS jumper, reset the jumper to protect the newly installed BIOS
from being overwritten. The computer will restart automatically.

Hope This helps

Have a nice day!

Dec 27, 2008 | EliteGroup ECS A780GM-A Motherboard - AMD...

1 Answer

Pc Seems to be dead wont load bios post moust doesnt work or keyboard or monitor


I have the same problem, the CPU fan spins, keyboard lights blink, no start up screen, or bios.
But, when I push a few times on the pc reset button, then the CPU fan is becoming still, the keyboard light are out and I can start the computer again in a normal way.
Can this one be a temporally solution for you too? Do you have any suggestion about?
I guess it can be an electricity dysfunction of a wrong fixed cable.

Oct 15, 2008 | Biostar P4M80-M4 Motherboard

2 Answers

Monitor shut off, no BIOS post, no keyboard or mouse lights, will not boot


The best thing to do in this situation is to build your machine outside of the case, using the minimum amount of hardware,
Remove the motherboard and using only one stick of ram, the monitor, keyboard and mouse. short the power switch connector on the motherboard with a screw driver for a fraction of a second just to power it on.
If it starts up and gives you a "no boot disk" or "no Operating System found" at least you will know it's working and you can slowly connect everything else one by one to see whats preventing it from booting.
If it doesn't start like that, remove the power cord from the power supply and remove the mother board battery for at least 15 minutes, this will clear the BIOS and set it back to factory spec, now carryout the out of case procedure already stated.

Jul 22, 2008 | Intel Motherboard

1 Answer

Still Doesn't Work


You needed to configure bios (F2) when you first installed the processor,

 

now the Bios hangs before anything can happen,  You need to remove the Bios Battery (looks like a coin on the mobo) for about 30 secs (with the power disconnected)  then re-insert the battery and power on.

 

you should get the same power on message as you did the 1st time (maybe with a missings settings error too but this is expected)

 

Enuro12 is right about legacy USB in that your keyboard should work in BIOS (setup)

Oct 12, 2007 | Intel Motherboard

2 Answers

Keyboard shuts off after booting up


try starting up in Safe Mode by tapping the F6 key during boot-up. this prevents drivers from loading. you may have a corrupted keyboard driver. if your keyboard works in safe mode, try uninstall of the kbd driver, then reinstall.. check for a newer driver version.

Jul 11, 2007 | EliteGroup P965T-A Motherboard

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