120hz screen for np9377sm-a

Like I said it's a decent panel especially for gaming but it only loses out to ips panels as far as colors and viewing angles are concerned. As far as TN panels go I have only seen 1 better and that was the B+RG LED panel in my old XPS15 which offered about 102% ntsc gamut but made colors appear oversaturated. The response rate is the highest I have seen from a notebook panel.

 

im thinking to change my screen too.
I have the chimei sh@@t
but I cant find the 120hz (finded in eurocom for 450$ upgrade )
is it compatible with 90% ntsc color gamut?

 

I thought the 120hz screen is also 72% ntsc? Anyway it was discontinued a long time ago so any panels being sold now are in short supply and dated back then. The problem is the 120hz screen needs a different LCD cable to connect it to the mainboard.

 

Yes it's a 4 channel eDP 50 pin connector I believe. I would need to get a new motherboard to fit it to my P570WM since it lacks the connector on the clevo version.

 

I thought I saw some P570wm that came with the 120hz screen so assumed they all came with LVDS and EDP connectors on the mainboard like the P377sm?

 

Sager versions had both, clevo editions came with the one you ordered and not the other.

 

I found this.
http://www.hidevolution.com/auo-au-optronics-b173hw01-v4-17-3-fhd-led-display-90-ntsc.html
is it a nice choice?
any suggestions?

 

It's the panel I have, it's about as good as a notebook TN panel gets.

 

Include me too for buying a screen

 

Wait, so is the G-Sync IPS panel found in ASUS ROG G751 available and compatible with NP9377? Has anyone gotten it and installed it? Did G-Sync work??? Is there a good chance that IPS panels with G-Sync support will be available for NP9377 at SOME point?

 

There is someone here with a NP9377-S who is trying this.. He's waiting to get the LG IPS screen model from G751 which should work in NP9377-S... He's currently waiting to get the pannel due to Chinese New Year...

 

Why are you assuming it works in the 9377? It has a different connector.

 

Both spd1 and spf1 use the same 30 pin EDP as used in the NP9377. I have aleady tested and confirmed the spf1 as used in the GT72/Acer Nitro/Lenovo Y70 works in the NP9377 but the physical dimensions prevents proper mounting in the NP9377.
It also enables gsync as seen in the G751 and GT72 via that leaked Asus driver. I'm hoping to mount the spd1 as the physical dimensions more closely match the existing NP9377 panel.

 

Finally got my screen upgraded to the 120hz , and my god its glorious. 120fps gaming on the go is just astonishing. Works perfectly with the 980M's .

 

Shame that the consumer has to go through so many hoops to get a 120hz screen on this beast though. This really is a fantastic machine but for the stock screen options.

 

@syseo where did you order from the 120hz screen??

 

I thought the stock NP9377-S uses a 40 pin connector, not 30? Am I mistaken? It seems all of the non 120Hz screens designed for the system appear to be 40 pin, which is why a 50 pin connector to install the 120Hz screen. With that said, I wonder how hard it is to get to the motherboard to where the 50 pin connector would go. It seems the screen replacement itself is pretty straight forward, but hooking the 50 pin connector on the motherboard may be tedious? Anyone, @syceo may be able to help us? I would say it may be easier to just buy my NP9377-S through Eurocom. Their X8 model uses the same chassis, but would prefer to stick with a US based re-seller/builder for warranty work.

 

The 9377 either uses a 40pin lvds or a 50pin eDP cable depending on the type of panel included (120hz models use the 50pin eDP).

 

While being bored I temporarily mounted the spf1 panel to my NP9377 for some testing with the leaked gsync drivers. There's a few bugs with using this panel and I'm not sure what the exact cause is:

1. The native resolution and refresh rate 1080p @ 60hz on initial use gives an out of phase error similar to when you try to define custom refresh rates in the Nvidia control panel, this can be worked around by setting up a working custom profile in Nvidia control panel. It looks like this:



2. The Clevo hotkey app will crash and the brightness control with the fn key does not work at all. Can't fix or workaround this even with older video drivers.

Otherwise the spf1 panel can be oc to 100hz and gsync works as well as it did on the G751 that is there can be times when the panel will blank out if the refresh rate drops too low or a game stalls.
I expected significantly better colors compared to my Chi Mei panel but it was a subtle improvement at most though the viewing angles did improve a lot.

I believe this spf1 panel can be fitted to the NP9377 with the provision that you are prepared to remove 2 locking tabs on the front lid bezel near the bottom, bend or cut the mounting bracket on the top of the panel and use tape or similar to mount the mount.

 

Kantana,

As stated above. the NP9377 uses a 40 pin connector, and not a 30 per some re-sellers and builders. You think some of the problems you may be having is that your replacement screen, the SPF1, is a 30 pin correct? So, not sure if maybe that is why you're having problems with it. The only non-40 pin the NP9377 uses is the 50 pin for the 120Hz screens. Maybe a mistake was made and the SPF1 is a 40 pin, and not 30 pin, after all. Do you think it would be hard to connect the 50 pin to the motherboard? I would think that would be the hardest part, finding a way to get in there to get to it. I haven't looked at it yet, so not sure myself. Have you tried looking?

 

Defintely not, my NP9377 shipped with 30 pin EDP and the default LCD was a Chi Mei CMN1735 which is a N173HGE-E11 that only has 30 pin EDP port again. LVDS connectors are not compatible with EDP even if you could force the connector in it wouldn't work.
I believe the NP9377 has both LVDS and EDP on the mainboard but ship with either one or the other depending on which LCD was chosen. I chose a 72% ntsc matt TN panel and it shipped with 30 pin EDP.
If in doubt look up the monitor in HWinfo64 then match the specs on the web.

 

Gotcha.. Not sure what it is then. Some of the builders, like Meaker above, stated the NP9377SM-a uses a 40 pin LVDS and a 50 pin eDP, so maybe there is a spot for a 30 pin as well. Thanks for the help. Have you looked to see if it would be hard, possible, for a novice like myself to reach the connection on the motherboard in order to install a 50 pin 120Hz screen? Thanks again.

 

The 40 pin or 50 pin refers to the end of the cable that connects to the LCD itself not the port on the mainboard. There are cables for 40 pin LVDS/50 pin EDP and 30 pin EDP as far as I have seen.
As for getting to the connectors on the mainboard I am assuming that you have to release the keyboard and look for any other screws there then release the top panel off the notebook, it probably clips into place like the way the lid bezel is attached.

 

Just seen the error generated when hotkey app is run, perhaps the LCD needs to be hard coded into the hotkey app to enable brightness control:

Application: ControlCenter.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.AccessViolationException
Stack:
at ControlCenter.MainWindow.GetBrightness()
at ControlCenter.MainWindow.UpdateBrightness()
at ControlCenter.MainWindow.Window_Loaded(System.Object, System.Windows.RoutedEventArgs)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(System.Object, System.Windows.RoutedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(System.Object, System.Windows.RoutedEventArgs, Boolean)
at System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject, System.Windows.RoutedEventArgs)
at System.Windows.UIElement.RaiseEvent(System.Windows.RoutedEventArgs)
at System.Windows.BroadcastEventHelper.BroadcastEvent(System.Windows.DependencyObject, System.Windows.RoutedEvent)
at System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(System.Object)
at MS.Internal.LoadedOrUnloadedOperation.DoWork()
at System.Windows.Media.MediaContext.FireLoadedPendingCallbacks()
at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
at System.Windows.Media.MediaContext.RenderMessageHandlerCore(System.Object)
at System.Windows.Media.MediaContext.RenderMessageHandler(System.Object)
at System.Windows.Media.MediaContext.Resize(System.Windows.Media.ICompositionTarget)
at System.Windows.Interop.HwndTarget.OnResize()
at System.Windows.Interop.HwndTarget.HandleMessage(MS.Internal.Interop.WindowMessage, IntPtr, IntPtr)
at System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(System.Windows.Threading.DispatcherPriority, System.TimeSpan, System.Delegate, System.Object, Int32)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr)
at MS.Win32.UnsafeNativeMethods.ShowWindow(System.Runtime.InteropServices.HandleRef, Int32)
at System.Windows.Window.ShowHelper(System.Object)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate)
at System.Windows.Threading.DispatcherOperation.InvokeImpl()
at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
at System.Windows.Threading.DispatcherOperation.Invoke()
at System.Windows.Threading.Dispatcher.ProcessQueue()
at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(System.Windows.Threading.DispatcherPriority, System.TimeSpan, System.Delegate, System.Object, Int32)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr)
at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG ByRef)
at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame)
at System.Windows.Threading.Dispatcher.PushFrame(System.Windows.Threading.DispatcherFrame)
at System.Windows.Threading.Dispatcher.Run()
at System.Windows.Application.RunDispatcher(System.Object)
at System.Windows.Application.RunInternal(System.Windows.Window)
at System.Windows.Application.Run(System.Windows.Window)
at ControlCenter.App.Main()

Is Prema around to assist?

 

Interesting they must be using the eDP connector and just using 2 channels off of it.

 

That's correct the 30 pin EDP is quoted as being dual channel in the tech specs for these IPS panels. It's the same for the ChiMei TN panel that's also used in the MSI. Right now I have no way to control the brightness directly from the hotkeys/windows power etc but have to rely on the Nvidia control panel to do it. The resolution/refresh can also be worked around with the custom resolution in the Nvidia control panel.
Not ideal but unless Clevo decides to offer up these IPS panels and release updated EC bios support for them this is the best we can do for now. I have seen many mentions of the Clevo 17" models being offered with IPS panels in the Feb/Mar timeframe so who knows if this will happen. Given these are the only 17.3" IPS panels with 30 pin EDP right now it's likely it will happen.

 

I'm a little confused, are you using your own cable then? Where did you get it from?

 

No, I'm just reusing the cable supplied with my NP9377 as originally connected to my ChiMei panel N173HGE-E11. This same panel was used in the TN version of the GT72. MSI later released the GT72 top model with IPS panel LP173Wf4-SPF1 which gave me the inspiration to try a panel swap on my NP9377.

 

Just reverted back to my TN panel, the contrast is actually better on this Chi Mei than on the IPS.

 

IPS can often have higher blacks than TN which impacts the contrast ratio.

 

Not in the case of these 2 panels the TN had deeper blacks and better contrast. There's also the issue of IPS glow as well. The only benefits from the IPS here were the better viewing angles, 100hz and the gsync.
I will wait for the spd1 but if it also has issues with brightness control then I will give up on the IPS for now.

 

@kantana , is the clevo hotkey software the same for all the clevo machines? In that sense and even if it isn't, once the P770ZM get the LG IPS pannel option, the software should be updated and there should be less problems...

 

Not an expert on this but I did try installing the hotkey from MSI for their GT72, it worked for all the functions except brightness control. So I deduce that it'll take either a bios or EC update to gain this functionality.
Remember even windows loses the brightness control sliders. If anyone else has any ideas how brightness control works it'd be much appreciated.

 

got the screen from here http://www.lcd4laptop.co.uk/ and the cable from CEG and had XMG install it as not to affect the warranty (apparently)

 

Please return the cable.

CEG-hardcorecustom -
your UPGRADE base for Clevo & Alienware notebooks - for NBR & Techinferno users always something special

 

Yes as I said higher blacks, higher black levels with similar white levels will lead to a poorer contrast ratio.

 

I'm curious if all the internal reviewers on notebookcheck use the same measuring methodology. I was looking at reviews of the LP173WF4-spd1/spf1 panels in the G751/Acer VN7/Lenovo Y70 and there were quite a big variance in the contrast ratios measured. Brightness/color gamut were within 10% of each other but the contrast ratio had a big variance.
Also the response times between the ips and the TN panel should be quite large 25ms vs 8ms but I didn't notice any more ghosting in the ips panel. Perhaps it's grey to grey vs white to black to white?
I've got the spf1 panel correctly set up for the resolution/refresh rate and brightness control working now. Just need the hotkey Fn+F8/F9 to work properly now.

 

There can be a decent amount of variation from one panel to the next even in the same model.

 

??????????????????

 

Yeah CEG initially sent me the incorrect cable. So i requested the correct cable be sent again. they did eventually send the correct 50pin cable. They would like the incorrect cable sent back , which is fair enough, but I wont be paying their postage costs to return the item (since i paid the inital postage to get the cable) and now im away on business so they'll have to wait now ... that's what he means by send the cable back.

 

You mean that you have the screen(120hz) and the cable available if i want to change my screen??
If yes, sent me pm for prices

 

The screen, probably user-procured. The cable, available from them.

I want to know however... how the HELL did you end up with a P377SM-A and a 4800MQ? Those machines started selling with 4x10MQ chips as far as I know.

 

Lol...i know...its a long story...
First i had an msi 1763 with 4800 mq and 780m.
Then i bought a 970m to upgrade
My brother flash my bios of 1763 and he brik my laptop.
Then i ddcide to buy the p377sm as a barebone from rjtech.
Then i transfer all my components (cpu,harddrive,970m,killer etc)to my p377 sm plus that i sell the 780m on ebay.
And after couple weeks i bought the second 970m...
And my brother kept the 1763 he order cpu +motherboard+970m.
And now everybody are happy....

 

Ah okay, that makes sense.

 

Before when i had the 1763 and the 780m when i was oced (gpu) my phisycs (3dmark11) were to low withe 4800mq i had.
And i checked everything...nothing
Now i made crazy ov+oc to my 970ms and phisycs are 8800-8900 level!!!
Before 6500 score...
And the cooling is way better than 1763!!!!!!

 

Your old msi motherboard was salvageable if you replaced the bios chip with a freshly programmed one.

 

Welllll I picked up the screen and it seems the connectors are different. Makes sense, higher bandwidth. I'm assuming I'd need a different cable at this point. Does anyone have a resource available for said cable or is it a case of incompatibility?

See new connector is wider

 

You need a 50 pin eDP cable. CEG and Eurocom can sell.

 

Assume in the pic, top is Chi Mei TN and bottom is the LG 120hz panel?

 

Guys, this pic is from the P375sm-a, can someone confirm that for their 120hz panel they are using the EDP port on the mainboard ringed in red in the picture: