Your issue seems odd. It sounds like you might have damaged one of the ribbon cables or its not plugged in properly. Hopefully not damaged circuit boards due to static.
At least that is a guess.
Check that all the cables are plugged in correctly and in the right place.
How for did you go with the disassembly?
I donât think it would have been caused by static. It can happen but itâs rare in actual fact so itâs more likely to be something isnât connected properly.
You may as well take it apart again and check it again.
Good luck.
Yeah i agree. Myself i have never bothered with an anti-static band & have yet to kill anything inside the pc.
LukeB and Heliosurge,
Thanks guys. The device acted very strangely and showed that it was product of another VR firm in MD USA with a product description B-1B and when viewed from Piplay the options showed PIMAX or Video mode not the usual Pimax or direct mode.
So I concluded that somehow the flash memory had dumped its contents and the Pimax was operating on native ROM. So with nothing to lose I referred to SJ de Klerks forum and tried to reflash the memory. Somehow that worked even though I never saw the FW button.
So to tell a long tale short - it works again. Quite weird as I thought flash memory needed a current to operate to erase or to reflash. Hmmm very weird.
PS the cables on the 102 are on the left FRONT - key switch connection REAR headset connection on the right REAR headset connection MID HDMI connection FRONT USB connection. The other two connections on 100 are not present on the 102.
For reference for others performing the LukeB modification the black self tapping screws holding the lenses on are 6.1 mm long and 2 mm thick (to outside of thread). If you insert 2 mm washers you will need 8.1 mm x 2 mm screws before you start (hard to find). These measurements were taken by a digital caliper and are accurate to 0,05 mm
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Well done. 
Glad itâs all working again.
How did the mod go as far as focus is concerned? Better?
Make sure you check out the Unity Chan download in Piplay. Itâs a great example of what Pimax is capable of.
Pressing the Space Bar will bring up a stat panel showing resolution and fps. Interesting!
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LukeB,
Unable to check because did not have the 8.5 mm screws.
The screen is now visible and reports FW of 1.0.0.248 with a region of CN in the update tool (big improvement there) but still reports Pimax mode or video mode in the Piplay and at this stage refuses to work with SteamVR. So all looks good but not performing properly yet - it is now mirroring the Windows Background in beautiful monoscopic colour.
Issues!!!
I used 4 screws from the face plate surround to hold the lenses. Still enough screws left to hold the front and when I get more I will add them to the front.
SteamVR only works in Pimax mode.
As far as I know there are only two modes available Pimax or Video modes, so if youâve got both of those you should be right.
I tend to leave my unit in Pimax mode. Most things work in that mode.
My favourite video player is Whirligig (free). It plays everything. 360 videos, 2D, 3D, Havenât found anything it canât play.
Kodi player, which is what opens in Video mode, would have to be the biggest waste of time ever. It doesnât even display properly in the HMD and has no head tracking. Totally useless in my opinion.
Hey LukeB and Heliosurge,
I went away for a few weeks and when I came back the HMD is working for the most part normally including Piplay now recognising the Pimax 4K and coming up with a nice graphic.
Did you guys do something to the software or did something magical happen my end. In any case it is working much better now. The only hassles I have now is : a. the centre position drift (to the left) and b. how to control a complex control oriented game when you cannot see a thing except what is on screen. Voice control partially works but there are times when you must type in stuff or use a mouse. What do you guys use?
LukeB - I did not do your upgrade in the end - because I did not have the right screws but I might as I have purchased the screws now. What I did do is fashion a push-fit arrangement over the eye pieces to hold a pair of cheap plastic reading spectacles of my correction. It was made from a 50 mm 45 degree uPVC plastic drain fitting - it turns out that these are exactly suited to the 52 mm eye pieces in the Pimax. Just use a DREMEL to cut off the end fittings (both ends) then cut vertically through the circular fitting to make a three quarters circular fitting and cut to suit - once again with a DREMEL. These two 3/4 fittings are then Araldited together and the black plastic reading glasses (I cut off the glasses arms) are placed in the cuts in the push-fit plastic and glued. The plastic should be rendered black by using a indelible black fibre pen such as a Texta before push fitting. If you ever have to remove the correction glasses it is a simple matter to pull them off.
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No program updates from Luke & I. (tho i have considered learning Latin. Ash tells me he has this book of the dead) Lol
Certain no new updates from Pimax at this time. It is possible windows (hard to beleive lol) might have installed an update that got it running well.
Your mod sounds 
Could you please post pics as i am sure folks will be interested in your non-invasive mod.
As for games. I canât say off hand but if you post game details of what your trying to get working. It is likely someone in the forums will have useful info to help.
Great! Glad itâs all working well for you now and you can start to enjoy your Pimax.
Your mod sounds like a good one. Perhaps you could post a few pics.
At the moment, I tend to only play games that I can with either my Saitek X52 Pro HOTAS or XBox360 controller.
I havenât yet found a reliable method of playing non-VR games in the Pimax that makes the game play as well as on the pc monitor.
Ok Fellas Will do.
I might have to butcher another 50 mm fitting to show the steps which means another trip to the hardware store. As you can understand the manufacturing job was trial and error for the one I am currently using but the next one will be more precise. Give me a week or so.
The game I was referring to was Elite Dangerous Horizons which is a true VR but has many controls accessible through programmable keys. It uses just about all the keys on a standard keyboard so getting them to map to a bunch of keys on a Logitech 3D Pro (my joystick) is a little difficult even when I purchased the Logitech G13 these two together achieve a 95% solution but no keyboard typing ability. I have just purchased (arrived in the mail yesterday) a tiny keyboard with a touch pad (Model No RT-MWK08) to go with the joystick but have yet to test it - it is the size of a XBOX Game Controller but has a full keyboard a touch pad and two four direction keys roundels plus a few programmable keys - it was less than $10 so it is worth a try - I will let you know how it goes with the joystick.
I might be better off with your joystick but at $350 (it might have to wait
Ah yes I see.
Elite Dangerous Horizons is my favourite VR game and i play it regularly, But with the X52 Pro HOTAS.
Yes, it was an expensive purchase but I decided that it would be usable for flight syms as well and so I bought it. However, there are several lower cost HOTAS units that are suitable. Logitech Thrustmaster make one I think.
I think it would be rather difficult to play ED in VR with a keyboard.
As another option (hope i get the name right lol) there is a program called voice attack. The free version gives you 10 commands.
There are also thise one handed keyboard hybrids logitech & saitek i believe have them.
Still havenât got all the functions down but a steam controller may work with the Chord function. If you can summon the os keyboard its almost like 2 thumb typing on a tablet
Thank you both,
I have Voice Attack with the HCS Voicepacks (JAZZ and ASTRA) together with the Logitech Extreme 3D Pro (even better than the thrustmaster - more programmable buttons) make up a 95% solution.
Yes I have been tossing around the idea of using a left handed joystick to go with the right handed one and that might be the answer.
I have just tried the tiny keyboard and it is terrific - it is wireless keyboard - it works with the joystick and has all the keyboard buttons including function buttons - has a volume up / volume down / rewind / fast forward / pause on the left - a mouse touch pad in the middle which is a one or two fingered sense and on the right an up / down / left/ right and OK button - has left/right separate mouse buttons and respects the double tap to select - it also has a page up / page down on the right - 82 keys plus the touch pad and circular controls. I had a separate Logitech wireless keyboard and mouse plugged in and it did not interfere with them or the joystick. Quite a feat for such a cheap keyboard - now I just have to get used to it because it is only hand sized.
I did not know that the Steam controllers worked with anything but VIVE just the Oculus controllers with the Oculus Rift.
When i say steam controller. I donât mean tge vive wands
Heliosurge,
This is a description of the push-fit prescription glasses modification for long sighted people using the Pimax 4K.
This modification is non-invasive and will as far as I know preserve any warranty and will allow for use by several users of the same Pimax 4K.
To perform this bit of magic you will need to buy a 90 cent plumbing fitting from the local hardware (get 2 in case you mess up your first attempt) and some two part epoxy glue. The part I purchased is an IPLEX uPVC 50 mm x 88 degree bend (part number D0025068 bar code 9 311381 150392) but any fitting with two outlets that take a 50 mm plumbing pipe (internally) will do. You will also need a DREMEL with a diamond cutting wheel (other cutting wheels will do provided they are meant for metal or plastic) - refer to the following photo
You will also need a set of reading glasses of near to your prescription - I used the cheap plastic ones you get from your local newsagent or service station for less than $20 - if you have a choice choose black plastic framed large glasses rather than the skinny ones. Alternatively you can use a set of prescription glasses that you have spare - you will need to remove the arms - so do not use your good ones.
To start cut 2 tubes off the fitting - leave about 3 mm of plastic closest to the bend. When this is done cut out a segment from each tube so that they fit into the Pimax over the lenses (refer to the following photo). Trim as necessary and bevel the end edges slightly
When that is to your liking push fit the plastic parts over the two lenses in the Pimax and make sue that you have the manufactured edge down and the cut off edge upwards. Once you are sure that they are fully down mark (with a felt marker pen or pencil) on the plastic fitting the top of the Pimax lens (this is then is the reference line). The reference line you cannot cut below in any operation (if you do start again with one or two more tubes).
Ok now rest your glasses on top of the tubes and mark the position of the glasses bridge on the plastic fitting then cut vertically down the tubes to the reference lines or slightly above (I did mine slightly above) - refer to the following photo
Once these are cut (no need to polish at this stage) rest the glasses bridge in the cut-outs with the two fittings pushed together and the glasses balance left to right and up and down and marked to outside of the glasses on the fittings and cut vertically down the fitting at the correct angle to suit your glasses about 5 mm (refer following photo).
Now place your glasses on the bridge cutouts and make sure that the outer cut-outs fit. Now is the time to make sure that the glasses cut-outs fit properly to your glasses (if you have several different glasses for different people make sure that you use the largest glasses as the template). Ok with this done mark the top of the glasses bridge on the plastic fittings. With this done cut a semi-circle from the bridge marking you just made to the top of the outer glass cut-out (see photo belo) - the photo shows one cut-out done for clarity but both need to be done Left eye and right eye).
e)
With this done and with the glasses fitting properly it is time to polish and bevel the top edges of the plastic fittings and smooth the bridge fittings. You should also put a 45 degree bevel on the front retaining section up to the bridge so your nose will not be interfered with when wearing. When you are satisfied with your left and right fitting it is time to glue the 2 sides together with the epoxy glue - to aid adhesion I roughed the walls of the fittings that mate to each other. After the glue has set - this can take from 20 minutes to several days depending on the epoxy chosen, you need to colour the plastic with black felt tip indelible ink pen and make sure that no light colours show when the fitting is in place.
You are now ready to mount the glasses to the fitting - this can be done with glue (if you are sure that you do not have astigmatism and you are the only user) or can be done with elastic bands (a small notch on the bottom of the fitting will facilitate the rubber band over the attachment pieces for the arms (please not that the arms must be removed with a jewellers screwdriver and discarded) see photo below
I hope that you like the mod but be aware you must take the bridge cut-out close to the reference line because it will not fit if you push it up too high. Similarly the cut from the top of the glasses bridge section to the outer glasses must be cut as low as possible so that your eyebrows are not impacted.
The other by-product of this mod is that the glasses provide a pleasant and comfortable resting place for your nose and really helps with comfort of the whole device.
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Now thatâs a really cool way to do it 
Does it affect your fov at all?
LukeB,
No it is pretty good but you cannot have the strap too tight or your eyes get really close to the glasses.
Other than that it works well and it lets those who do not like to do invasive surgery on $550 pieces of kit to use them.
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The biggest issue with Pimax right now are the lenses.
Is it possible to include/offer lenses with a better focal length? I would buy them.
Lenses that donât get blurry at the edges, or in the center?
Oculus Rift, Wearality, GearVR, and Vive lenses are all clear to me in the center, but not the Pimax. Why is that?
With 4k, reading text, is the greatest potential, but you canât with the poor quality lenses.
Is it possible to get lenses similar to the Oculus Rift, or Wearality? Those lenses allow the image to be clear at the center, and the edges.
I returned my Pimax because the quality of the lenses is poor, and the headset makes a slight buzzing sound which is scary. Sounds like it will blow up.
Sounds like you might have far sighted. The current model unfortunately is tailored torwarda 20/20 & myopia(short sighted)
But there are a few users who have developed creative work arounds ranging from easy to advanced.
Humming is definitely not normal.