[bwink507]

I replaced a 166 mhz processor with a Pentim II processor and now my monitor wont turn when pc is started. I tried it also on my other monitor and nothing. I then put the 166 mhz processor back into pc and still no monitor. Please help.

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Did you try reseting the BIOS?

Disconnect the power, remove the computer case, look for a battery on the motherboard (like shown below). Remove this battery for at least five minutes. Then replace the battery, and reconnect the power. Reboot and see if it worked. You'll need to reset the system time and date.

A typical motherboard battery:

[admin]

Did you try reseting the BIOS?

Disconnect the power, remove the computer case, look for a battery on the motherboard (like shown below). Remove this battery for at least five minutes. Then replace the battery, and reconnect the power. Reboot and see if it worked. You'll need to reset the system time and date.

A typical motherboard battery:

[bwink507]

I did that and still no monitor. Could I have blown something up?

[admin]

Could I have blown something up?

Yes, probably the motherboard.

[Soul Bleed]

I've had a problem before when I adjusted the CPU Speed, I think I got back in when I turned on pc power I turned on monitor, and it finally came back on, it took quite a few times, but it worked.
Yeah I read it can be the system board or setting cpu speed.