The computer weon't boot up & red light is flashing in the back.
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.
SOURCE: red light flashing on power button BEWARE SPAM NUMBER +1-800-532-4187 BELOW
This could be the mem module contact problem,if your pc using 2 module, try to remove one out,also re-insert the other ( take out and insert in again ).
SOURCE: red light flashing on power button
Sounds like the hard drive has had a failure, you need to get a replacement one, and reinstall it, along with the opperating system, and any other programs that were on the old one.
SOURCE: Desktop shutdown. will not come back on. Green light flashing.
This sounds like it might be a power supply problem. If you are tech savvy enough you can do this. 1st try unplugging it, let all the lights go out and then plug it back in. Try to turn it on. It might work. If not, unplug the pc and hit the power button to discharge all voltages. Open the side panel and watch where all the cables go. Label if needed. Unplug all cables carefully. The ones on the motherboard have a clasp that holds them. You simply sqweeze the clasp and it should pull free. After all cords are removed, remove the screws from that hold the power supply itself in. These are usually on the back. Pull the power supply out carefully. Take the unit to your local computer store. They should have a tester to test a make sure that it works ok. Replace if necessary. If it is not the power supply you might try only plugging in the motherboard and HDD. Remove and boards using a static strap between you and a grounded (plain metal) on the case. after that, plug the unit in and see if it powers up. If it doesn't, it could be the motherboard or a video board you needed to keep plugged in.
SOURCE: HP Compaq Presario SR1820NX will not turn on
i worked for hp and compaq it is well known issue to reslove this issue
1#turn off the computer and uplug the power cable from the computer and then hold the power button for 20 second then turn on the computer and the momment you back to desktop screen
go to download driver from hp site and here is the web site http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-43507-1&lc=en&dlc=en&cc=ca&lang=en&os=228&product=1841849 and restart the computer .
SOURCE: Unit will not boot up, 3 flashing red lights
hello...remove the memory then make clean and take it back then to boot the unit..Good Luck and Have a nice day..^_^
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