Have a ideq system with a P4TBA motherboard which won't boot up, when I turn system on all that happens is the screen shows the following BIOS ROM checksum error
detecting floppy drive A media
Drive A error system halt
with the cursor flashing
thats how it comes up have tried f1,f2 and del keys to try to get in bios but cant do anything with it, can ayone help me with this and possible causes, I only have limited knoledge with computers
thanks in advance
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Turn on a working computer with its keyboard plugged in and test if the keyboard is working properly.
If it is, shut down that computer, unplug the keyboard and plug it into the system that is suffering from the missing "NTOSKRNL.EXE" file.
Turn on the system to see if the replaced keyboard resolves the problem.
Press the "F8" key right after the system initializes the boot sequence and before the Windows logo shows up to bring up a menu of boot options.
Choose the "Last Known Good Configuration" option with the arrow keys and press the "Enter" key.
Insert your Microsoft Windows installation disc.
Restart the computer and press the "R" key on your keyboard once you reach the "Microsoft Setup" menu.
Choose the operating system that you wish to repair, type in your admin password when prompted and press the "Enter" key.
Type "bootcfg /rebuild" and press the "Enter" key to rebuild the Windows "boot.ini" file, which may also resolve the issue.
Type "chkdsk /r" and press the "Enter" key to scan the entire hard disk for errors.
Type "exit" and press the "Enter" key to exit the "Recovery Console."
Restart your computer and see if Windows boots properly.
Remove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.
When you press the power button do you hear the fan running, hear the disk drive running, see any lights, do you hear the cd drive click once and see the light come on briefly on the cd drive door? If you see all the aforementioned then it is surely trying to boot. Computers don't boot mainly because of the following problems. 1) Bad Power Cord or Power Supply. 2) Electro Static Buildup. 3) Bad Motherboard 4) Bad boot or system files. Remove the Power Cord and the battery if it's a laptop. Press and Hold the Power Button for 30 Seconds. Then replace only the Power Cord and try hitting the Power Button. If it boots you had an Electro Static Buildup. If you have boot or system files that are missing or corrupt normally the system will be telling you that on an error message that appears on the screen. Does your system show you anything on the screen when you press the Power Button? If not you have a Power Supply or Motherboard issue.
This happens when the BIOS can't find the hard disk. If you're lucky it's just the hard disk that has failed, if you're not it's the motherboard itself the one that failed.
To find out which replace the hard disk with a good one then try to boot in th BIOS - if you can it's the hard disk, if you can't it's the motherboard.
Choose within this options with regards to your monitor:
1. You could replace your monitor with a new one.
2. Or you could send someone or send it to a technician to repair your monitor.
Boot Up Problem:
1. Try checking the Power Supply Unit (PSU) if it give out 12Voltz. If not you could replace it with new PSU.
2. Check the motherboard if there are some blown out Capacitors. If there is, send it to a technician to replace it. If none, replace your Processor. That is the defective. That causes the boot up problem.
On boot up screen. Of course it will not show a boot up screen because there is a problem on your monitor. And so, there is also a problem on your motherboard (Processor or Capacitor).
Hope this might help. Thanks.
pull out everything in the computer except what's required to boot...so any pci cards or video cards (if you have onboard video). you can also try pulling out the ram (while unpowered AND unplugged) and then booting to hear beeps...if you pull the ram out and the computer doesnt make a sound, its probably a bad motherboard and needs to be replaced. if you hear beeps, try replacing the ram or disconnecting other parts...like harddrives, optical drives, modems and what not.