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Computer boot but nothing show up on monitor

The computer boot up fine no beep sound but noting show up on the monitor,the keyboard has no power,no sound coming out from the speaker

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  • empty_kenbai Jan 11, 2009

    My computer finally started but i'm getting cmos error and my ddr speed gets lower from 333 to 266

  • empty_kenbai Jan 11, 2009

    nothing, the computer just restart itself then at first nothing show up and no beep the keyboard has no power sound but i can open close the cd rom,now it boot up but with cmos error and the ddr speed get lwer from 333 to 266 and it boot just up to the boot from cd press any key part and then it hangs it did'nt boot the window xp

  • Asylum_Donna May 25, 2009

    I booted my computer up, checked all the cables when I saw the monitor was dark and wouldn't respond to the mouse or keyboard. The mouse and keyboard are not lit up, so the computer is not recognizing them but everything is plugged in properly. I did a hard reboot and hit F10 which didn't do me any good since I still have a black screen. Any ideas?

  • Roberta Smith
    Roberta Smith May 11, 2010

    have you done anything to the computer recently.. added anything ?

  • Roberta Smith
    Roberta Smith May 11, 2010

    if you don't hear at least one beep... it's not booting up fine

  • Anonymous Mar 26, 2014

    power comes on & starts to boot then 2 beeps. 1 long and 1 short. Boot does not go past this point

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Nothing, the computer just restart itself then at first nothing show up and no beep the keyboard has no power sound but i can open close the cd rom,now it boot up but with cmos error and the ddr speed get lwer from 333 to 266 and it boot just up to the boot from cd press any key part and then it hangs it did'nt boot the window xp

Posted on Jan 12, 2009

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I have a P5K Deluxe asus mother board error beeps no visuals


Two beeps is usually the video card.
Do you have a spare video card to change out?
This is why people keep obsolete PCI video cards for just such tests.

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3 Answers

My computer beeps but does not start


Those beeps are telling you what is wrong. Most times it's the memory or video card.

When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button. And if that's true maybe you was operating off the battery the last time you had it on and since the power cord is bad, it was not charging the battery so the battery is drained and the power cord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove the Battery, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in (leave the battery out) and hit the power button to see if it boots. If it does, you can put the battery back in and let it charge.


Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.


Maybe your memory is bad or the memory slot is bad.

Remove the Power Cord, Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop then remove one of the memory 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 on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.


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I am repairing a computer for a friend. When I start the computer I get a continual short beeps. I have checked connections but nothing shows bad. The computer worked fine previously and I haven't...


depending on the number of beeps and their durations you can search your motherboards bios beep codes which should tell you the general area of the fail
try unplugging and re-seating memory cpu videocard / monitor
these are the usual main culprits

May 06, 2011 | AMD Athlon64 2800+, 1.8 GHz Athlon 64...

1 Answer

No display even after the system boots


You either have a dead CPU or a dead motherboard or a partially-dead power-supply -- the power-supply should supply different voltages to different computers, i.e., one voltage to spin fans, and a different voltage to power the RAM, and a different voltage to power the motherboard. So, it can be "partially" dead.

Borrow a power-supply, and try that first.
If all else fails, take the computer to a qualified technician.

May 31, 2010 | AMD Athlon 64 X2 3800+ Dual Core Processor...

1 Answer

Computer doesn't boot up but cpu has power on.


Is there any beep ? Num Lock and caps lock lights ? Try changing the ram ? and also try another ram slot .

Oct 20, 2009 | Compaq Pentium III , 500 MHz

1 Answer

No signal shows on monitor


When a computer beeps on start up there is a crucial input output piece of hardware no working. If you have any experience with computers check to make sure everything is conected right. I inclued a link for support for your computer. Larry

http://www.acerpanam.com/synapse/forms/portal20.cfm?website=AcerPanAm.com&siteid=7117&areaid=2&formid=3390&LINKTEXT=Support%20Solutions

Mar 06, 2009 | Computer Processors

1 Answer

WINDOWS XP PRO SERVICE PACK 3


First off, please use proper case. All upper case makes it look like you are shouting. Thanks.

Try removing everything you can possibly remove from the outside other than the monitor. Remove any cards inside not needed to boot (sound, NIC, modem, etc.).

Disconnect mouse and keyboard, too if it will boot without a keyboard. Some systems will halt at the BIOS screen without a keyboard.

When you have a minimum config for booting, boot and see if it stays on. If so, one of the items disconnected is the culprit.

If not, reconnect keyboard (if disconnected) and boot into Safe mode by tapping F8 after BIOS screen. See if it will stay on in safe mode. If it will stay on in safe mode, problem is O/S.

If it won't stay on in safe mode, see how long it will stay on at the BIOS screen. If it will stay on indefinitely, you could have flaky RAM or possibly hard drive. Power off, unplug power cable, remove hard drive and see if you can boot to the Windows CD. If it will boot up to Starting Windows and stay on, probably not RAM although that is not a definitive test. At that point, I'd try another hard drive and see if the O/S will install or try wiping and reloading the original hard drive.

Let me know if you need more help.

Honest1abe

Jan 17, 2009 | SuperMicro Pentium III Xeon (TMR-004)...

1 Answer

Booting Problem


Could be a power supply problem but suspect its a problem with the motherboard. Unless you have a spare power supply or testing equipment I would suggest you take this to the local repair shop. For $30 they should be able to give you a good idea if the power supply is shot (cheap fix) or the motherboard (more expensive). Be aware that I also found lots of cases where a bad Emachine power supply also damaged the motherboard as well.

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