Member Avatar for Bridgeman

My S6000NX machine will not turn on, and there is a green light that keeps flashing next to the switch. HELP!!!

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This thread already hit the three usual suspects (PSU, motherboard, and a simple power-reset). For a safe first step: unplug the PC, remove any removable battery if present, then press and hold the front power button for about 15–60 seconds to discharge residual power. Reconnect and try to power on — this is a hardware “power reset” that clears volatile state but does not erase your hard drive or files. ()

If the reset does nothing, focus on the power supply. A steady or blinking front LED can mean the standby rail (5VSB) is present while the other rails fail under load. The quickest, safest diagnostics are: try a known-good PSU, use a PSU tester, or (only if comfortable) do the paperclip/jumper test to see if the supply will spin up — but do not open the PSU. If you’ve already replaced the PSU (as tried) and the symptom remains intermittent, use a known-good replacement or a tester to rule out partial/intermittent PSU failure. (howtogeek.com)

If the system boots once then the CPU fan stops and the front LED starts blinking (as described), widen the focus to heat/VRM/motherboard health. Do a minimal-components boot (one RAM stick, no drives, no expansion cards), reseat or swap RAM sticks, confirm the CPU fan power/connector and heatsink seating, and visually inspect the board for bulging or leaking electrolytic capacitors — a common failure on older boards. Those visual capacitor checks and single-stick RAM tests are reliable next steps before replacing major parts. (ifixit.com)

If these steps don’t isolate the fault, remove the hard drive and back up your data (USB enclosure/dock) before further work. Service manuals and parts info for the S6000 series are available if you plan to continue DIY; otherwise a local technician can run a PSU-load test or confirm a motherboard/VRM failure. Take ESD precautions and don’t attempt internal PSU repairs yourself. (manualslib.com)

Summary ties to thread: ’s power-button discharge is the correct safe first move; ’s advice to test/replace the PSU is the right next step; and when swapping PSUs didn’t help for others, the problem often moves to the motherboard (caps/VRM/fan) — follow the minimal-component isolation above before buying replacements.

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All 14 Replies

Member Avatar for TheNNS

it could be a bad powersupply, or it could be that compaqs are a piece of junk

Member Avatar for campo

i had the same problem with my s6000nx machine, but recently upgraded to a 300w power supply. also if you unplug the power chord that goes to the motherboard and plug it back in > that was temporarily working fine for me for a little while.

Member Avatar for LaurieC65

My S6000NX machine will not turn on, and there is a green light that keeps flashing next to the switch. HELP!!!

did you ever get help with this. My computer has just done this and I can not get it to come on. I have unplugged it now for 2 day but have not tried to plug it back in to see if it will start now. Any help you might have received would be very much appreciated.

Laurie Christison

Member Avatar for TheNNS

It could be a bad powersupply, or the motherboard has gone bad.

Member Avatar for Bat Tech

Power may be getting through the MB but if the PSU is faulty it may not be supplying enough power. Replace the PSU (or test with a tester) first and then let us know how that goes.

Member Avatar for LaurieC65

Thank you for the information. However, I am not a computer guru. I do know that the MB is probably mother board as I was contacted about that also but I do not know what a PSU is. Should I take this in to a computer store and have it evaluated?

Laurie

Power may be getting through the MB but if the PSU is faulty it may not be supplying enough power. Replace the PSU (or test with a tester) first and then let us know how that goes.

Member Avatar for Bat Tech

If you are unsure of the hardware I would highly recommend taking it to a professional. The PSU means the power supply and is probably at fault however there could be a problem with the motherboard aswell/instead.

Member Avatar for LaurieC65

Thank you for your help and time.
Laurie

If you are unsure of the hardware I would highly recommend taking it to a professional. The PSU means the power supply and is probably at fault however there could be a problem with the motherboard aswell/instead.

Member Avatar for hgb1968

My S6000NX machine will not turn on, and there is a green light that keeps flashing next to the switch. HELP!!!

unplug the power source as well as take out the battery then push and hold the power button down for 60 seconds. this will dump the memory and reset the pc and it should power up.

Member Avatar for LaurieC65

You say it will dump the memory. does that mean I will loose what's on the hard drive?
Or is it a different memory?

Laurie

unplug the power source as well as take out the battery then push and hold the power button down for 60 seconds. this will dump the memory and reset the pc and it should power up.

Member Avatar for hgb1968

You say it will dump the memory. does that mean I will loose what's on the hard drive?
Or is it a different memory?

Laurie

no just the memory. nothing will be removed from your hard drive. I had a laptop that would do what you say your computer is doing and i called compaq support and that is what they told me to do. try it and let me know how you made out.

Member Avatar for Bat Tech

Also if it has two sticks of RAM in it try it with only one of each stick. Sometime RAM can go faulty and you wont be able to boot/power up.

Member Avatar for v00ngh00

I have the same problem too.. with this s6000NX desktop machine. I put a new PSU with the same watts still getting the same problem. I again replaced the PSU with 350 watts still no luck. The machine will boot once and after 5-10 mins the CPU fan will stop then the green light in the front panel will start blinking. Sometimes when you press the power button while on the blinking state you will hear the HD trying to load then it will stop and the machine will beep over and over. You need to totally shutdown the box to get rid of the beeping issue.... Anyone have any other idea I can try. Thank you very much

v00ngh00

Member Avatar for babyantony

Dear Sir I have similar problem with my HP Compaq Presari v6000. All LEDs are lit. Fan starts and stops. Screen remain blank.
Is it a hardware problem? or BIOS, or re-seating the RAM or cleaning the fan will help? Please advise.

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