Hi all!
First, a little history with details to understand what happened:
I was using my PC, then it suddenly shutted down.
When i tried to restart it most of the time it won't showed me nothing on display,
then, sometimes it worked well and showed me the normal pc boot with BIOS display etc etc,
but after some time it rebooted itself.
I opened the case the see what's was happening at PC's boot and one of the GPU's light
was cheked, precisely that: "D1601 - Red LED On, shows critical temperature fault".
The problem is that the -RED LED- light on at PC start, even after some hours of no pc-using.
I thought there was some dust inside the GPU or maybe thermal paste completely dry,
so i opened the GPU to clean it and to change thermal paste; doing so, i checked for some
dust even on other computer's parts like PSU and CPU: they were clean.
I tried to reboot the PC but the problem wasn't solved: in like 20 times i rebooted the PC, only 2
worked well so i downloaded SpeedFan to watch my PC's temperatures and the only component listed
"hot" was the GPU at 60° (that's strange 'cause it's not a really hot temperature for the GPUs);
so i manually increased GPU speed fan to lower temperature but after some minutes, PC always restart.
I double checked everything, but now, after two days, PC won't boot: it start "working" (fans and everything)
but the LED D1601 on GPU always stay red and now sometimes even the LED D601 flashes! So i can't see nothing
on display and can't even access the BIOS.
I was thinking the problem was the PSU, so i changed from an ALLIED Premier Model: DR 8500BTX (max 500W) to a
Corsair VS550 ATX.
After changing the the PSU, the problematic leds disappeared from the GPU, but even after that the PC won't beep and/or show the BOOT.
Display stays always black, so I tried a lot these things:
- powering the PC with and without RAM, VGA or hard disk: it makes "beeps" (precisely 3) only without RAM.
- tried to swap the RAMs into different sockets
- used the "Clear RTC RAM2 with/out jumper and removing the battery.
Make note that the MOBO-led receive power (is green) and all the pc and psu-fans works well.
What can you suggest me?
- Here's the system specs:
Mobo: ASUS P5kc
RAM: 2x KINGSTON KVR800D2N5/2G
GPU: ATI Radeon Sapphire HD 4870
Processor: Intel Core 2 Duo
PSU: Corsair VS550 ATX (550w)
OS: Windows 10 64bit
First, a little history with details to understand what happened:
I was using my PC, then it suddenly shutted down.
When i tried to restart it most of the time it won't showed me nothing on display,
then, sometimes it worked well and showed me the normal pc boot with BIOS display etc etc,
but after some time it rebooted itself.
I opened the case the see what's was happening at PC's boot and one of the GPU's light
was cheked, precisely that: "D1601 - Red LED On, shows critical temperature fault".
The problem is that the -RED LED- light on at PC start, even after some hours of no pc-using.
I thought there was some dust inside the GPU or maybe thermal paste completely dry,
so i opened the GPU to clean it and to change thermal paste; doing so, i checked for some
dust even on other computer's parts like PSU and CPU: they were clean.
I tried to reboot the PC but the problem wasn't solved: in like 20 times i rebooted the PC, only 2
worked well so i downloaded SpeedFan to watch my PC's temperatures and the only component listed
"hot" was the GPU at 60° (that's strange 'cause it's not a really hot temperature for the GPUs);
so i manually increased GPU speed fan to lower temperature but after some minutes, PC always restart.
I double checked everything, but now, after two days, PC won't boot: it start "working" (fans and everything)
but the LED D1601 on GPU always stay red and now sometimes even the LED D601 flashes! So i can't see nothing
on display and can't even access the BIOS.
I was thinking the problem was the PSU, so i changed from an ALLIED Premier Model: DR 8500BTX (max 500W) to a
Corsair VS550 ATX.
After changing the the PSU, the problematic leds disappeared from the GPU, but even after that the PC won't beep and/or show the BOOT.
Display stays always black, so I tried a lot these things:
- powering the PC with and without RAM, VGA or hard disk: it makes "beeps" (precisely 3) only without RAM.
- tried to swap the RAMs into different sockets
- used the "Clear RTC RAM2 with/out jumper and removing the battery.
Make note that the MOBO-led receive power (is green) and all the pc and psu-fans works well.
What can you suggest me?
- Here's the system specs:
Mobo: ASUS P5kc
RAM: 2x KINGSTON KVR800D2N5/2G
GPU: ATI Radeon Sapphire HD 4870
Processor: Intel Core 2 Duo
PSU: Corsair VS550 ATX (550w)
OS: Windows 10 64bit
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