Amber light is on and pc won't wake up. I had to unplug it and plug it back in to reboot and it worked. Today I had to do the same thing only when I plugged it back in the amber light was still on. I believe it is my motherboard but would like another opinion. Thanks so much!!
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Re: PC won't wake up.
Make power on,
see the SMPS fan from back side in CPU, if its not working, mean you have problem in SMPS or in power supply cable. Try another power supply, also make sure that socket on wall is right and the current is available there.
If your SMPS is working then try to hear beep from CPU after booting, there must be a ok beep, if no beep, then it means there might be problem in your CPU.
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When you say they are not working... Is there power to the ports (when you plug something into them does the activity light on the device come on? Are the defective ports the primary ones attached to the motherboard or expansion ports on the front of the case? Is it a windows o/s failing to recognise them?
If the primary ports on the back of the PC aren't working try deleting all USB branches in the device manager on your windows PC and reboot - they should all reinstall automatically...if they don't your m/b is probably defective.
If they are expansion ports check the main ports on the back of the PC.
It is possible to kill a m/b by plugging daft stuff like fans/lights and remote control missile launchers into your USB ports :-)
When you power up your computer and the monitor screen remains dark, the problem can be either be associated with your monitor, or your computer power supply/video card/motherboard or CPU. Perform the following tests to isolate the problem to either the monitor or the computer.
1. Turn off you PC and monitor. Then verify that the 15 pin video data cable connectors are fully inserted into their receptacles on the rear of your PC and on the rear of the monitor and they are tightened down. (on some monitors the data cable is hard-wired to the monitor). Then make sure that both your monitor power cable is securely plugged into a working AC power receptacle. (You can temporarily plug a lamp into your AC power receptacle to make sure you have a good source of AC power).
3. Turn on the power switch on your monitor. The amber colored LED on your monitor should come on. Then turn on your PC. The fans in your PC start to run and continue to run and the LED on your monitor should change from amber to green.
Now if the monitor led remains amber and the screen stays dark you either have a bad monitor or a problem with your video card, motherboard or processor.. Try using a different monitor. If that doesn't solve the problem, you need to have a PC technician test your computer.
If you have any additional questions contact me by clicking on the "Add a comment" link located under your problem description on FixYa. Also, if you believe that this information was helpful to you, please return to the FixYa website and rate my response to your question.
Remove cmos battery and then replace it after 3 mins or so, Try rebooting If no luck, remove ram modules one at a time and retest unplug all but hdd and power connector to mobo, cpu and hard drive and retest.
failing that, could be a surge of electricity has damaged your mobo
I would look for the CMOS reset jumper on the motherboard, if there is one, and while PC is off take of the jumper, then put it back in place. But the more easier option is to just simply remove the CMOS battery from the motherboard, unplug PC completely first, leave it out for a few seconds, then replace it. If that works, you may come across some operating system start options to start the os, depending of what version you have make sure you select the Delete sleep mode data/hibernation data(something along those line), and start OS normally. By the looks of it you've tried everything possible, but last resort would be to try the resetting CMOS/removing CMOS battery. If all fails, try testing using a different power supply.
Reset the CMOS to defaults. Since it is not actually booting properly you will have to jumper it. Hopefully you have the manual and you need to look at the layout and find what jumpers need to be shorted to reset
Please shut down you're PC. Unplug the power cord from the PC. Remove the video card you have installed.
Once removed plug the power cord back in & start the PC. Press the delete key on the keyboard every 2 seconds untill the bios main menu loads. How to move around in the bios is shown at the bottom of each menu screen.
The Asus P4S800-MX motherboard has an onboard video card built into the motherboard. Before you can add a video card you must make a change in the bios. Go to Advanced menu.
Page 2-21 in you're manual. Change primary VGA bios to [AGP VGA Card]. Save & exit the bios. The PC will begin to restart. Press & hold the power button on you're PC until the PC shuts off. Unplug the power cord again, open the case & firmly & evenly insert you're AGP graphics card. Connect any extra power to the graphics card if required. Re-check all connections & cables before closing the case. Turn on the PC. Wait for windows to finish loading before installing you're video card software. That's it. You're card should now function. Good idea to update windows!