- Apr 4, 2016
- 1,729
- 1,672
Hi all, so I have this problem with my PC, with symptoms as follow:
For a while, when my PC goes to sleep, sometimes my dedicated GPU (a Zotac GTX 1660s) does not seem to wake up my monitor. Clicking a button or a key on my keyboard will wake the PC (you'll hear the usual HDD spins etc), but the monitor stays off.
When that happens, I usually turn off my PC, switch the HDMI cable to use my iGPU, and turn on the PC again using the iGPU. Checking my Device Manager (Win 10), the GTX 1660s is hidden. I need to make it appear by enabling the "Show hidden devices" in the menu. If I checked the 1660s' properties, it shows this message "Currently, this hardware device is not connected to the computer. (Code 45)"
One remedy is to turn off the PC, unplug the power from the wall for a while (say 30 mins?) and then re-plug & turn on the PC again. After that, usually I can use the 1660s again. And yes I was able to play games, such as Metro Exodus etc.
However, this doesn't always work. And when it doesn't work, I can only revert to my iGPU again.
For context, my PC is a mix of old & new-ish hardware. Here's my overall spec:
The PSU is never used to its limits. The most power hungry component it ever served is that Zotac GTX 1660s.
Anyone encountered something like this? What are the possible culprits? Something with my PSU, or an old & leaky capacitor in the motherboard, or perhaps something with CMOS battery, or riser cable, or..?
For a while, when my PC goes to sleep, sometimes my dedicated GPU (a Zotac GTX 1660s) does not seem to wake up my monitor. Clicking a button or a key on my keyboard will wake the PC (you'll hear the usual HDD spins etc), but the monitor stays off.
When that happens, I usually turn off my PC, switch the HDMI cable to use my iGPU, and turn on the PC again using the iGPU. Checking my Device Manager (Win 10), the GTX 1660s is hidden. I need to make it appear by enabling the "Show hidden devices" in the menu. If I checked the 1660s' properties, it shows this message "Currently, this hardware device is not connected to the computer. (Code 45)"
One remedy is to turn off the PC, unplug the power from the wall for a while (say 30 mins?) and then re-plug & turn on the PC again. After that, usually I can use the 1660s again. And yes I was able to play games, such as Metro Exodus etc.
However, this doesn't always work. And when it doesn't work, I can only revert to my iGPU again.
For context, my PC is a mix of old & new-ish hardware. Here's my overall spec:
- CPU: Intel i5-4670
- Mobo: Asus H87i-plus
- RAM: Kingston DDR3 LP 8GB
- GPU: Zotac GTX 1660 Super
- Storage: Samsung Evo 860 SSD + WD Black HDD
- PSU: Corsair SF450 Gold
- Case: CCD MI-6
The PSU is never used to its limits. The most power hungry component it ever served is that Zotac GTX 1660s.
Anyone encountered something like this? What are the possible culprits? Something with my PSU, or an old & leaky capacitor in the motherboard, or perhaps something with CMOS battery, or riser cable, or..?