Possibly dying PSU?

Jan 29, 2019
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The other day I was trying to plug in a sata dvdrom to install a game i bought for a bargain, as i booted up i thought the dvd drive had problems as it hadn't showed up. First i thought the sata cables had problems but it was actually the sata power cable as they only have power for the first and last plug. The PSU is modular so i tried to plug another line for sata power and it didn't supply power to the drive. This time, the mobo shows a white led error light indicating "VGA Error" yet the system works fine as I tried running benchmarks and it didn't crash or anything but the pc doesn't display until the login screen not allowing me to access the bios. I am currently using the PC and the white error light is still there and its starting to grow on me, should I get an RMA for the PSU?

Thank you, here are the system specs:
R5 2600x
Asus b450f Strix
Gtx 1070 strix
2x16 G skill Trident Z
Plextor 128gb m.2 pcie drive
WD Blue NGFF 500gb
Toshiba and Seagate 1tb drives
EDIT: forgot the psu lol. Seasonic m12ii 620w
 
Try to clear the CMOS first, then if you can boot the PC, go to PC health monitor or hardware monitor section in the BIOS, check the +3.3V, +5V, and +12V. If they are within +/- 5%, eg for +12V, if it is within +11.4 to +12.6V, then the PSU is fine, otherwise if they are not within the +/- 5%, the PSU has problem. From what I know the Seasonic m12ii is very good one.

For the DVDrom, may try to find where is firmware for it or not online, sometime if you had problem, update the firmware may help, or the DVDrom may have problem.

One more update the AMD chipset too. https://www.amd.com/en/support
 


Hi thanks for the response, checked the hardware monitor sections and all was fine, I fiddled around with the bios and tried not-disabling csm as the Plextor Screen was annoying and voila the "VGA error" light was gone. Could it be a mobo error or something?

As for the DVD drive, it was perfectly working, what worried me was the SATA power cable that had something wrong as there was only power at the end and last connector of the SATA power cable.

update: lol now it wont post and wont let me clear cmos with removing the battery and jumping the clrtc jumper heads, had to remove gpu 6 pin before booting and then rebooting again to get a display and disabling CSM again. Now everything is back to the white light led problem
 


Yeah thats what i did after gettting frustrated many attempts, the main problem now is that white VGA error light. Thanks for the response.
 


It didn't post, but in a way it posted after replugging the 6+2(sorry for just saying 6 pin my bad) and i had to disable csm.