PC boots up, but no display and hard drive does not seem to spin
This machine appears to start up normally, no beeps and the light on the box shows green. The problem is that the hard drive does not seem to spin (Hard drive light does not light except when the power button is first pressed) and there is no display. Any ideas are greatly appreciated. Thanks!!
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Re: PC boots up, but no display and hard drive does not...
Actually you do want to hear one beep.
This is POST. Power On Self Test.
No display is a video problem. Swap the card for a known good video card. You should be able to get into the BIOS with that. Presario’s are quit.
While in the BIOS see if the HDD is shown. It doesn’t hurt to check the connection inside. Please keep yourself grounded when inside the PC. For the Compaq Presario S4020WM site go here:
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From the description you have given, I would suggest that you re-install the operating system(Windows) make sure you save any thing on the computer that you can't live without. (Music, photos and videos). You will need to do a format of the hard drive. As you may have an unknown piece of malware or just a badly corrupted operating system.
there is couple reason for that. (1) start windows normally and restore the system at previous stage. so if some driver software conflict with hardware then it solve problem. (2) insert the os disc and boot from the disc and choos repair \restore operating system. it may replace any missing system file. (3) if 1st and 2d not solve the problem then remove the RAM and clean it and fix it again. or check SMPS or Hard drive...
No Display, so does it seem like the computer booted up and is running except that the Display is black? Do you hear fans running, disk drive spinning, blinking lights or beeps?
I'm going to assume that in your case since you mentioned a red light that it is not booting up all the way. Therefore your problem is probably with the memory, the video card or some other motherboard issue.
Remove the Power Cord, Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop then remove one of thememory 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 onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.
Did it boot all the way? Do you hear the fan running, disk drive spinning? If it sounds like it booted but the display is black, try this: When you press the power button do you hear fansrunning, hard drive spinning, lights on the computer, hear any beeps or lightsconstantly blinking, hear the DvD/CD drive click and the light on the drawer ofthe DvD/CD turn on for a second or two? If so the laptop is trying toboot 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 thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.
Check the resolution of the screen by right clicking on an empty part of the screen and choosing properties. Go to settings and make the resolution 1078 x 768 and hit apply and ok. There are instances when the resolution will change from a software update etc. that is not supported by the monitor or graphics card.
Machine has a bad motor or "stator" on this machine. It is a direct drive winding on the back of the machine. Remove the back panel, the one bolt removes the rotor then you will see the stator winding, replace it and your good to go.
I strongly suspect that you have a bad connection to the hard drive, since you were moving it in and out. Check power connector on HDD and make sure data cable sits in OK and that data cable is not reversed.