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Re: pc cannt show bios when startup
You might have to replace the bios battery, should be located on the motherboard.. it will probably be a small round silver mercury battery.. they need to be replaced every few years.. Sometimes they can just be 'slipped' out of the battery holder, some are soldered in.. But you need to remove the pc cover to get to the battery. Good Luck, Rgds,
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Turn the computer OFF and just turn the monitor ON if the vertical lines are still present then the issue is your monitor, but if there are no lines on the monitor alone turn the computer ON then go into the BIOS either keep on tapping del key once you turn the computer ON or keep on tapping f1 to get into thew BIOS screen.
If the vertical lines are present in the BIOS the issue is the Monitor but if not and the lines are present in windows the issue is your video card.
Replace the video card, if you don't have a video card and you use the built in video card on the system then the motherboard needs to be replaced.
Try connect your monitor to some other box and try if it works the same way or as a normal pc boot. If it works well with other box, the issue is with the BIOS. Get the BIOS flashed with the latest version of flash program for the Bios chipset which your board is using. If the monitor shows the same symptom on a different box too.. you may need to get your monitor repaired. Good Luck
Hi there. Remember that if you are swapping from on-board graphics to a card you
have to go into the BIOS and tell the machine that the primary graphics
adapter is AGP/PCI Express. Plug the VGA cable into the on-board
graphics port, start the computer and enter the BIOS, tell the computer
to use the AGP/PCI card as primary, press F10, save the changes and
exit the bios. The computer will try and restart so let it boot to post and turn it off, then put in your card and try to boot again. Please post back if you need more help or advice.
Probably the video resolution or the monitor Refresh Rate (eg: 50/60/75 Hertz) is set too high in the operating system, which over-drives the monitor electronics and it is unable to display anything.
If you restart the computer manually (hold in the power button for 5 seconds, the computer will shut off, turn it back on again) you will see the normal BIOS and Windows startup display on the monitor, but then as Windows completes it's startup it returns to the error message you see.
To fix this, restart the computer manually and start the computer in Safe Mode. To do this press F8 just before the computer starts to load Windows, and choose Safe Mode. Once in Safe Mode, you should see the monitor working correctly.
Now restart the computer in Normal Mode and everything should be fine.
Have you disabled your onboard video in the BIOS? Boot your machine with the vga cord to the motherboard. You need to get into the BIOS. Depending on the make of your machine you need you will need to hit the del key, f2, or even f1. Go to the periphrial setup and disable your onboard video. Save the BIOS turnoff the computer and plug the monitor into you vga card. That should do it.
To change it back to your motherboards vga just reverse the instructions.
Let me know what happens.
This could be a corrupt bios or a low cmos battery, follow instructions.
Take the right hand side panel off the pc.
Look for a disc shaped 3V watch type battery and replace (Very cheap)
Look on the motherboard and reset the bios at the 'JBAT1' terminal put jumper(little plastic cap) from pins 1-2 to pins 2-3 for a few seconds then back to pins 1-2.
Restart pc and enter bios when prompted(or press F2 or DEL on startup) to set time and date, save settings and Exit bios.
It should now boot ok.