NVIDIA Has a DisplayPort Problem Which Only a BIOS Update Can Fix

Ruru · Jun 9, 2018

Yay! Maybe now we can see through DP with my GTX 980

had to switch to DVI since after changing from Z170 to X99 I have this issue.

ZeDestructor · Jun 9, 2018

Did it on my 1080Ti FTW3. The first attempt was a miserable failure as the utility immediately hung my machine before it could even finish the system check. Second go worked perfectly. I blame having my PC in and out of sleep nightly fr the past 3 weeks.

Assimilator · Jun 9, 2018

R-T-B said:
No offense, but do you know what a checksum is? Serious question.

Every modern bios has one tagged somewhere in the bios. It's essentially a mathmatical sum of the file (or section) contents, like a hash. Change one thing and checksum won't add up without correction.

Signatures will be invalid the same way and can't be corrected without the private key. Only NVIDIA has that. They only started enforcing that on Pascal though, and even with pascal, you could still use a hardware flasher until recently.

Nvflash won't let you flash a BIOS with a bad checksum, which means any modded BIOS has to have a valid one to be flashed. Obviously, modifying the BIOS will cause the generated checksum to differ from the original BIOS checksum.

This means that using the checksum to determine whether a BIOS has been modded or not is pointless, because all BIOSes flashed to GPUs will have valid checksums. Ergo, the only way a checksum could be used to detect a modded BIOS is if NVIDIA had a whitelist of the checksum of every known unmodded BIOS, and compared the current BIOS's checksum to that list.

Kyuuba · Jun 10, 2018

Ran this on my 1080 Ti, everything went well.

R-T-B · Jun 10, 2018

Assimilator said:
Nvflash won't let you flash a BIOS with a bad checksum

Some versions will.

Cards furthermore didn't even check checksums until after late Pascal... (go back early enough in Pascal and you can actually not even correct the checksums and cards will boot).

Not nvflash for Pascal though... She's a different animal. Even the bioses are. They stepped up their game. You are correct cryptographic signatures are really what they use now.

Soda · Jun 10, 2018

Aorus 1080 ti xtreme - upgraded with no problems

ZeDestructor · Jun 10, 2018

Assimilator said:
Nvflash won't let you flash a BIOS with a bad checksum, which means any modded BIOS has to have a valid one to be flashed. Obviously, modifying the BIOS will cause the generated checksum to differ from the original BIOS checksum.

This means that using the checksum to determine whether a BIOS has been modded or not is pointless, because all BIOSes flashed to GPUs will have valid checksums. Ergo, the only way a checksum could be used to detect a modded BIOS is if NVIDIA had a whitelist of the checksum of every known unmodded BIOS, and compared the current BIOS's checksum to that list.

You are conflating checksums and cryptographic signatures. Checksums let you know that whatever blob you just downloaded/built/hacked together is the same at both the end that created it, and the end that's flashing it. Signatures, on top of veryfying file integrity, also let you also check that the blob's been built by the right person/machine/whatever. Basically all Signatures are also checksums, but not all checksums are signatures.

X800 · Jun 10, 2018

Nice catch. I did have this issue with my card. I always believed that is was my monitor that was faulty. I had switch between hdmi and dp to get the picture back. The update went fine. :lovetpu:

Imsochobo · Jun 10, 2018

Captain_Tom said:
I was mostly just poking fun, but what you said isn't true - Nvidia does have twice as many crashes per capita as AMD has.

Don't get me wrong, my drivers from both AMD and Nvidia have been great for ME lately; but I do remember having non-stop issues with Fermi drivers...

Both have issues, they're just different.

zenpanda · Jun 10, 2018

Thanks! Tool detected update required. No problems after updating.

bug · Jun 10, 2018

Out of boredom, ran the tool myself. EVGA GTX 1060 SC flashed with no problems.

Bonus points to Nvidia for offering the tool in Windows-only flavor

Parn · Jun 11, 2018

Ran this on both my 980 and 1080. Everything went smoothly.

bug · Jun 11, 2018

Parn said:
Ran this on both my 980 and 1080. Everything went smoothly.

Like me, you don't know that until you actually hook a DP1.3/1.4 monitor up

But yeah, this seems to be a pretty safe update.

DRDNA · Jun 11, 2018

ShurikN said:
View attachment 102217

Wasn't planning on updating anyway, just wanted to see if anything is available.

Yes sir it looks like the 1000 series GTX in laptops is unable to receive this update. This is from the laptop in my system specs with the GTX 1070.

I will bet hands down not a single laptop manufacture will release a display port upgrade!

bug · Jun 11, 2018

DRDNA said:
Yes sir it looks like the 1000 series GTX in laptops is unable to receive this update. This is from the laptop in my system specs with the GTX 1070.
View attachment 102280
View attachment 102281
View attachment 102282
I will bet hands dowm not a single laptop manufacture will release a display port upgrade!

Are you having a problem with DP1.3/1.4?
Because it could be that mobile GPUs are ok. Or that a separate tool for mobile GPU will be available at a later date.
Of course, it could also be that mobile GPUs are customized in ways that make them impossible for Nvidia to handle. We'll have to wait and see.

jabbadap · Jun 11, 2018

DRDNA said:
Yes sir it looks like the 1000 series GTX in laptops is unable to receive this update. This is from the laptop in my system specs with the GTX 1070.
View attachment 102280
View attachment 102281
View attachment 102282
I will bet hands dowm not a single laptop manufacture will release a display port upgrade!

Soldered or MxM one? Vbios on laptop is usually in laptops own firmware, which should be only updated by laptop manufacturer itself not by IHV.

dhdude · Jun 11, 2018

Just flashed on my Palit 960 2GB, worked a treat.

MrAMD · Jun 12, 2018

ASUS STRIX GTX 1080 updated successfully. Always thought it was weird I couldn't see the BIOS or Windows boot screen... Figured the monitor was taking forever to detect the signal lol

DRDNA · Jun 12, 2018

bug said:
Are you having a problem with DP1.3/1.4?
.

I don't have any device right now that uses 1.4 but will stand firm with my comment "I will bet hands down not a single laptop manufacture will release a display port upgrade! " but i agree time will tell.

wiak · Jun 12, 2018

ati only has problems they say, joke is on them lol

CounterSpell · Jun 12, 2018

updated.

Thanks.

Fluffmeister · Jun 12, 2018

Dramatic title, easy fix.

bug · Jun 12, 2018

Fluffmeister said:
Dramatic title, easy fix.

Not to mention technical details are still MIA.

Kr0n1c · Jul 22, 2018

I have the GTX970 and a ACER XB271H G-SYNC monitor, i did this update as iv'e had problems also..... one this is this update did nothing to help me i still have the same problem, its very annoying at times.

Smithead79 · Dec 4, 2019

Thanks for this. I have a Nvidia GTX 1060 6GB and I've never been able to use my display port on my Samsung monitor with my PC since new (2 years old). I've been searching for a viable solution for months to work out why the Display Port was always showing no signal detected on the monitor. Was using HDMI up until today but this came to a head on the weekend when I bought a cheap copy of GTA V. Damn game was running like a dog no matter how much I tweaked the settings. I figured the frame rate issue down to the HDMI port.

This BIOS download update worked for me today, my monitor can finally see my PC via Display port. I've maxed the settings and GTA V runs like a dream.

Cheers

Smithead79.

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NVIDIA Has a DisplayPort Problem Which Only a BIOS Update Can Fix

Ruru

S.T.A.R.S.

ZeDestructor

Assimilator

Kyuuba

R-T-B

Soda

ZeDestructor

X800

Imsochobo

zenpanda

bug

Parn

bug

DRDNA

bug

jabbadap

dhdude

MrAMD

DRDNA

wiak

CounterSpell

Fluffmeister

bug

Kr0n1c

New Member

Smithead79

New Member

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