Keyboard putting out symbols not letters.

The keyboard on MacBook air suddenly started putting out symbols instead of letters and I can not get the letters back.

You may have one of the function keys stuck in the down position. Check FN, CONTROL, OPTION, COMMAND keys.
Ciao.

Similar Messages

Has anyone had a problem where your keyboard is typing symbols not letters?, Has anyone had a problem where your keyboard is typing symbols not letters?

Has anyone had a problem where your keyboard is typing symbols not letters?, Has anyone had a problem where your keyboard is typing symbols not letters?

Are you plugging it into the Wall charger or Via Computer if by computer use the Wall wort charger and a Power Cycle should help as well if not let me know..

Why is my keyboard typing numbers and not letters

There a a few keys on my Thinkpad that type numbers and not letters. They are located on the right hand side. This just started for some reason. I'm sure there is a keystroke that must have been entered by mistake. Any thoughts ?

And if that doesn't seem to do the trick, try Shift+ScrLk.
Ray Kawakami
X22;X24;X31;X41;X41T;X60;X60s;X61s;X300;X301;Z60m;Z61t;Z61p;560Z;600E;600X;T21;T22;T23;T41;R50;A21p;A22p;A31 and A31p
Not a Lenovo employee; just a volunteer helping out here
All personal links to PC-Doctor software removed 8/2012 by mfg request

HT3819 When I sync my iPod some of my purchases from iTunes transfer, but some do not. When I try to drag the songs onto the iPod icon it shows the 'crossed out' symbol and won't move them.

When I sync my iPod some of my purchases from iTunes transfer, but some do not. When I try to drag the songs onto the iPod icon it shows the 'crossed out' symbol and won't move them. I've tried synching from multiple computers that are all connected with home sharing but it still didn't do the trick.

Installing iTunes does not cause content to magically appear on the computer.
Your media is only where you put it.
iOS devices are not backup devices.
Copy the media from the old computer to the new computer.

My iMac keeps typing a minus sign. I switched my wireless keyboard for a plug in Windows keyboard, and it keeps typing this one character. I took the batteries out of the Mac keyboard, so that is not the problem. I am running Mac OS X 10.6.8.

my iMac keeps typing a minus sign. I switched my wireless keyboard for a plug in Windows keyboard, and it keeps typing this one character. I took the batteries out of the Mac keyboard, so that is not the problem. I am running Mac OS X 10.6.8. In parallels, I don't have any problem, just on the Mac platform.

tebasj wrote:
Thanks for your observation. I realize they are different versions, but when I use the "Software Update" menu, this is as far as it would update. Is there some way to update the iMac beyond what "Software Update" does? I've tried it several times.
Please Note.
Upgrading OSX 10.6.8 (Snow Leopard) to 10.8.3 (Mountain Lion) is not an update. It is a paid upgrade. Just as with 10.7 (Lion) you must purchase it from the App Store with yor Apple ID and install it after backing up your current computer state for safety.
Cheers
Pete

Out put file is not genrated when calling xml reports from OAF page

Dear all
i am calling xml reports from OAF page
the out put file is not generated
i am writing this code
public int tradingrequest(String quoid, String costoder,int orgid)
try
OADBTransaction tx = (OADBTransaction)getOADBTransaction();
java.sql.Connection pConncection = tx.getJdbcConnection();
ConcurrentRequest cr = new ConcurrentRequest(pConncection);
String applnName =
"XXCRM"; //Application that contains the concurrent program
String cpName = "XXCRM_COSTSHEET"; //Concurrent program short name
String cpDesc =
"Trading Costsheet Report XXCRM"; // concurrent Program description
Number orgid1=new Number(orgid);
// Pass the Arguments using vector
Vector cpArgs = new Vector();
cpArgs.addElement(quoid);
cpArgs.addElement(costoder);
cpArgs.addElement(orgid1.toString());
// Calling the Concurrent Program
int requestId =
cr.submitRequest(applnName, cpName, cpDesc, null, false, cpArgs);
tx.commit();
System.out.println("Request ID is " + requestId);
return requestId;
} catch (RequestSubmissionException e)
OAException oe = new OAException(e.getMessage());
oe.setApplicationModule(this);
throw oe;
in controller i am writing this code
OAMessageStyledTextBean y =
(OAMessageStyledTextBean)webBean.findChildRecursive("quotationid");
OAFormValueBean z =
(OAFormValueBean)webBean.findChildRecursive("costorder");
String quoid = y.getValue(pageContext).toString();
String costorder = z.getValue(pageContext).toString();
System.out.println("The quotation id and costing order are....." + quoid +
" " + costorder);
/*if click on run report button to run the report*/
if ("Viewreport".equals(pageContext.getParameter(EVENT_PARAM)))
if (tsflag.equals("Y"))
int requestid = am.servicerequest(quoid, costorder, orgid);
String url =
"OA.jsp?akRegionCode=FNDCPREQUESTVIEWPAGE&akRegionApplicationId=0&retainAM=Y&addBreadCrumb=Y&REQUESTID=" +
requestid;
pageContext.setForwardURL(url, null,
OAWebBeanConstants.KEEP_MENU_CONTEXT, null,
null, true,
OAWebBeanConstants.ADD_BREAD_CRUMB_YES,
OAWebBeanConstants.IGNORE_MESSAGES);
when i call the report from oaf page the request id is coming
when i click on view output i am getting this message
Error
The concurrent request 7335031 did not create an output file.
WHEN I GOTO FIND REQUESTS PAGE QUERY THIS REQUEST ID I AM GETTING THE OUTPUT IN XM FILE
Regards
Sreekanth

java.io.FileNotFoundException: \..\..\..\xdoAqdFFZfuuJ051010_0628487460.fo (The system cannot find the path specified)
MY CO code
if("GenerateReport".equals(event))
// Get the HttpServletResponse object from the PageContext. The report output is written to HttpServletResponse.
DataObject sessionDictionary = (DataObject)pageContext.getNamedDataObject("_SessionParameters");
HttpServletResponse response = (HttpServletResponse)sessionDictionary.selectValue(null,"HttpServletResponse");
try {
// Hashtable hashtable = new Hashtable(1);
// hashtable.put("TruckBookingRefNum",trucknum);
// System.out.println("test"+trucknum);
ServletOutputStream os = response.getOutputStream();
// Set the Output Report File Name and Content Type
String contentDisposition = "attachment;filename=LF Cargo Summary Report.htm";
response.setHeader("Content-Disposition",contentDisposition);
response.setContentType("application/HTML");
// Get the Data XML File as the XMLNode
XMLNode xmlNode = (XMLNode) am.invokeMethod("getTestDataXML");
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
xmlNode.print(outputStream);
ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
ByteArrayOutputStream pdfFile = new ByteArrayOutputStream();
System.out.println(" ByteArrayInputStream.ByteArrayOutputStream"+pdfFile+inputStream);
//Generate the PDF Report.
TemplateHelper.processTemplate(
((OADBTransactionImpl)pageContext.getApplicationModule(webBean).getOADBTransaction()).getAppsContext(),
"LFCUST",
"XXLFCARSUM_TARGET",
"English",//((OADBTransactionImpl)pageContext.getApplicationModule(webBean).getOADBTransaction()).getUserLocale().getLanguage(),
"US",//((OADBTransactionImpl)pageContext.getApplicationModule(webBean).getOADBTransaction()).getUserLocale().getCountry(),
inputStream,
TemplateHelper.OUTPUT_TYPE_HTML,
null,
pdfFile);
// hashtable);
System.out.println(" TemplateHelper");
// Write the PDF Report to the HttpServletResponse object and flush.
byte[] b = pdfFile.toByteArray();
System.out.println(" byte"+b);
response.setContentLength(b.length);
os.write(b, 0, b.length);
os.flush();
os.close();
pdfFile.flush();
pdfFile.close();
catch(Exception e)
System.out.println(" inside catch");
response.setContentType("text/html");
throw new OAException(e.getMessage(), OAException.ERROR);
pageContext.setDocumentRendered(true);
Edited by: user9367919 on May 13, 2010 10:31 AM

Symbols on Keyboard are typing instead of letters

I sat down to type at my keyboard, and I'm not sure what I hit or did, but the numeric keypad is typing rather than the alphabet. Example; when I type the letter "U," a "4" appears, a "P," a "*" etc. The "num lock" light is not on, and it makes a noise when I to try to type it. I can't figure out how to get back to my alpha-keyboard!

Perhaps your "fn" key is stuck down?
-Doug

NI Stepper Motor not putting out enough torque

So I have a motion control system with a P70360, UMI 7772, PXI 7332, and a NEMA 23 stepper motor with 380 oz-in. The purpose of the set up is to rotate horizontally a testing fixture and hold it in position (slowly). Previously the set up was using a motor with 180 oz-in but it was decided that it wasn't enough torque seeing as it wasn't able to fully rotate the fixture, also using a step resolution of 18000, current reduction is disabled, multistepping is enabled, dynamic smoothing is minimal, and load-inertia ratio is set to 0-1.
When the 380oz-in motor was plugged in it was still unable to rotate the platform completely but it wasn't even able to rotate it as far as the 180 oz-in which leads me to believe it was outputting less torque than it should have been. The only reasoning I could think of for this was that there was an issue with the settings somehow where it was limiting the power being fed into the motor for whatever reason. So I walked through the manual (http://www.ni.com/pdf/manuals/372324d.pdf) and it still wasn't giving enough torque.
I also read that decreasing the step size would increase the torque so I reduced it to 200 and it started making a grinding noise, which made everyone in the lab stare at me and start laughing... I immediately hit the kill motor button (I've been controlling it using NI MAX).
So far I can't seem to find anything that mentions the motor making a grinding noise or not pulling enough torque while using the P70360 so here I am asking the community. Why is the motor making the grinding noise (which also seems to become less the higher the step resolution is) and why isn't the motor putting out more torque?
Also of note, I'm an electrical engineer, meaning my understanding of mechanical terms is limited to the basics.
Thanks for any help you can give.
DISCLAIMER: I'm a hardware engineer so I may not be familiar with some concepts/terminology/best practices so... patience is appreciated

I can't get too specific about the dimensions but it's a rectangular platform about 8 inches wide and 25 inches long (axis of rotation goes through the long way). There are also the UUT seating on one side which is what's causing the imbalance but by placing my lab notebook on the other side it balances out. I would estimate my book to weigh around 2 pounds.
The exact weight I'm not sure, the platform is attached to two stands through some type of bearings and the motor is turning a part of the shaft that is sticking out slightly.
On another note though, I decided to attach a oscilloscope to the motor to verify the signals were correct. I had made all the connections, double checked them to make sure all my connections were correct and weren't shorting then turned on the power. As soon as I did there was a white flash from the driver, I turned off the power, and I could smell something was burning. I took the lid off but couldn't see any immediate burn marks anywhere nor was there any visible smoke, just the odor. I decided not to try it again and my principal engineer has been trying to convince me to use another companies motion system. So sadly this may be the last well funded venture into NI motion control I take.
I'm still going to try to get in touch with a rep and see what I can do about it including taking into consideration the possibility of a gearbox but it's going to have to be on my spare time :'(
DISCLAIMER: I'm a hardware engineer so I may not be familiar with some concepts/terminology/best practices so... patience is appreciated

TS1398 Update iPhone 4s to 6.1.3 (10B329) now I can't connect to any wifi networks at home or at work and all car Bluetooth systems will not connect either. Help! Extremely annoyed at apple for putting out software that causes such mayhem.

My iPhone 4s has been update as I said in subject bar.. Now can't connect to any of my cars Bluetooth systems. Also even more frustratingly can't connect to any wifi networks at home or work!!
How can apple put out such an update that causes so much grief and inconvenience to hundreds of people. Not to mention risking lives with Bluetooth kits not working...outraged!!!!!!

First, grow up. Just because YOUR phone isn't working, doesn't mean Apple put out bad software. I've not had any difficulty, nor has anyone else I know. And just how is Apple risking lives with Bluetooth kits not working? It's YOUR decision to talk on the phone or text and drive. Not Apple's.
We're users here, volunteering our time to help others. Posts like yours, which are whiny and ranting, simply means we're likely to ignore you and not provide you with any help. Not to mention, it makes you look absolutely foolish.
Further making you look foolish is the fact that you haven't even asked a technical support question, nor have you provided anyone here with any troubleshooting steps you might have taken, including those recommended in the user guide.
Good luck getting help.
GDG

How do you get multiple live instruments to put out sound?

I just got a M-Audio 61 keyboard from my wife for our anniversary. I love it and it works great with GarageBand 1.X. I also have a guitar I use with GB. It is plugged in the 1/8 in. mini jack input in the back of the Mac. I however can't get both to put out sound at the same time. Lets say, for instance, that I would play the guitar and my wife the keys. How can I get both to put out sound at the same time?
Thank for any help you can offer.
Your friend in Mac OS X,
Jose

Danke Christoph!
I was glad to get your response. I thought I was not doing something right in GarageBand. I'll get GB2 and try out multiple live sources.
Once again thanks.
Your friend in Mac OS X,
Jose Mauricio Cuervo

Ld.so.1 problem - fatal: relocation error - "referenced symbol not found"

Hi, I've been trying to compile and run my application non Solaris using CC (detils below) but haven't got luck with running the application because of a linker error :
ld.so.1: java: fatal: relocation error: file ./libtest.so: symbol __1cDstdMbasic_string4Ccn0ALchar_traits4Cc__n0AJallocator4Cc___J__nullref_: referenced symbol not found
Here's what I'm trying to do :
I'm compieing one library to include another shared library whcih uses the "string" class (STL). The compilation of both the libraries proceeds perfectly fine. However, when i preload this library with LD_PRELOAD and run a JAVA application (which will have calls to some function in the preloaded library), the get the above linker error.
Here's what all I have tries to get thsi wroking : ( I understand that this error is due to a missing library that CC has not linked to and i've no idea what the library is!!!)
1.> # LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH
# export LD_LIBRARY_PATH - NO LUCK :-(
2.> linked to /opt/SUNWspro/lib/libCrun.so (found this from another forum on the net), but NO LUCK :-(
3.> export LD_DEBUG=bindings
export LD_DEBUG_OUTPUT=/home/log.txt (so that all sysmbols refered are logged!!!)
i did a grep on the log for the symbol but NO LUCK!!! :-(
Please can you help me with this? What is the library that is to be linked too, or is there something else?
Details About my system, compiler and compilation options :
1.> uname -a output : SunOS sh1sol9 5.9 Generic_117171-12 sun4u sparc SUNW,Sun-Fire-280R Solaris
2.> CC version : Sun WorkShop 6 update 2 C++ 5.3
3.> Compilation flags i've used to build the library :
FIRST LIBRARY : CC -G -xcode=pic32 -I../common/ -ldl ../common/logger.cpp helper_functions.cpp BCPEntries.cpp BCP_class.cpp -o libBCP.so
SECOND LIBRARY : CC -G -xcode=pic32 -I../common/ test_BCP_construct.cpp -lBCP -L. -o libtest.so
Please help me out of this,
Any and every help (or even a hint to it) will be appreciated!!!
Thanks in advance,
Madhur Kumar Tanwani

Refer to the C++ Users Guide that comes with the compiler, the chapter on Building Libraries, which explains these points in more detail.
When you build a C++ shared library, you must explicitly list all the libraries that it depends on. Unlike building an executable, the CC -G command does not by default create dependencies on system libraries. Although not explained well in the Guide, you should be sure you get the shared (.so) versions of all libraries, not the static (.a) versions.
All C++ programs require at least libCrun and libc. Programs that use the C++ Standard library (using anything in the std namespace, like std::string) also need to link to the appropriate version of the library.
The default library is libCstd. If you compile using the optional STLport library, you need the libstlport instead. You cannot use both libCstd and libstlport in the same program.
In your case, the build command would look something like this, assuming you are using the default libCstd:
CC -G -o mylib.so ..... -library=Cstd,Crun -lc
Be sure that any preceeding -Bstaic option is followed by -Bdynamic before listing these system libraries.
To verify you have picked up the dynamic libraries, run the command
ldd mylib.so
to see a list of dependencies. If you don't see the following in the list
/usr/lib/libCstd
/usr/lib/libCrun
/usr/lib/libc (or /lib/libc)
something is wrong.
A note about LD_LIBRARY_PATH: don't use it.
Ideally, the environment variable should never be set. If you must set it to reach vendor-supplied libraries, never put the system directories /lib or /usr/lib on the path, and never put the compiler installation directory, like /opt/SUNWspro/... on the path. You can wind up forcing the runtime loader to seach directories in the wrong order and pick up inappropriate versions of libraries.
For more on LD_LIBRARY_PATH, read this note in Rod Evans' blog. He's the Sun linker expert. The material here is available in the manuals, but his blog has a nice summary.
http://blogs.sun.com/roller/page/rie/?anchor=tt_ld_library_path_tt

FIELD SYMBOLS - Not Assigned/Looking to fetch SAP processed ITAB from a ALV

Hi Experts,
Pls. let me know that,
How to fetch the SAP Standard Prog. processed (w/ data) internal table into my_z_prog.?
Actually, my intension is that, I need to develop a Z_alv_report similar to RFITEMGL.
So,I coded as,
SUBMIT RFITEMGL
WITH SELECTION-TABLE seltab1
WITH x_opsel     EQ x_opsel    SIGN 'I'
WITH x_clsel     EQ x_clsel    SIGN 'I'
WITH x_aisel     EQ x_aisel    SIGN 'I'
   with pa_vari    eq pa_vari sign 'I' "ltdx
EXPORTING LIST TO MEMORY
and return.
(seltab1 contains the selection criteria of BUKRS)
Its working fine for small amount of data, if user runs wide open, huge data, so, dumps r throwing becoz of DECIMAL NOTATIONS, some other crap data!!!
So, I thoght to use FIELD SYMBOLS.
So, I know, How to use FILEDS SYMBOLS, like,
FIELD-SYMBOLS: <fs> TYPE ANY.
ASSIGN ('(SAPFV45P)XVBAP[]') TO <fs>.
CHECK SY-SUBRC IS INITIAL.
IF NOT <fs> IS INITIAL.
I_T_VBAP = <fs>.
ENDIF.
So, i implemented the same in my_z_alv_prog; from other thread, likem eblow.
Suppose RFGLBALANCE is your standard program and you have an internal table named I_RFGLBALANCE.
And lets say your Z program name is Z_SRINIVAS.
First find out the type of the internal table you want in your Z-program in the standard program. And declare an internal table of similar type in your Z-program.
Later wherever you are putting the below mentioned code.
SUBMIT RFGLBALANCE WITH selection criteria
here I used the FILED SYMBOLS .......
BUT, am getting error as FILED SYMBOL NOT ASSIGNED.
So, pls. let me know that,
1 - Can I get the SAP processed ITAB by using FIELD SYMBOL into my_z_prog.?
2 - If NOT , wht is the alternative idea?
3 - if so, pls. code a peice of code according my reqirement by using FIELD SYMBOLS, in such a way to get SAP ITAB from RFGLITEMS
URGENT pls.
thanq
Edited by: Srinivas on Mar 26, 2008 9:53 AM
Edited by: Srinivas on Mar 26, 2008 10:08 AM

no response

Keyboard line out and griffin imic incompatibility?

I'm getting horrible background noise when I try to record my keyboard (Yamaha PSR-225GM ) headphone line out through my Griffin iMic into Garageband. I assume it's a level issue but even the keyboard volume control won't fix the problem nor will system settings for the input device. My Sony stereo mic into the same iMic input sounds fine. Headphones attached to the keyboard line out sound fine too so I don't believe it's a quality problem with the line out. Can one not use a headphone output into the Griffin iMic?
If not, anyone got suggestions for higher quality audio input into the iMic flat panel (e.g. some USB box) that's compatible with various audio equipment (mics, keyboards, guitar amps, 1/4" and 1/8" and RCA plugs etc.)? The iMic has served me fine, but maybe it's time to start looking for something higher quality, and more versatile. Thanks.
By the way, anyone know why sometimes there's a delay (half second or so) between audio in and the monitors in Garageband, and sometimes not? It makes performance nearly impossible when there's such a big delay.
SJG
iMac flatpanel 15 Mac OS X (10.3.9)
iMac flatpanel 15 Mac OS X (10.3.9)
iMac flatpanel 15 Mac OS X (10.3.9)
iMac flatpanel 15 Mac OS X (10.3.9)
iMac flatpanel 15 Mac OS X (10.3.9)

tell me if I'm on the right track on the
following theories (I don't know if the following are TRUE):
I'll do the best I can...
1) The quater-inch headphone output from the Yamaha
keyboard is neither "balanced"
Correct, the headphone-out is not balanced. A balanced output uses 3 wires, a graound, a hot, and another hot that's 180° out of phase with the first. This is a neat trick in that two signals 180° out of phase with each other cancel each other out sp you get zero signal. In the case of a balanced out if noise is introduced, it is in phase on both cables. On the other end when the signal on the out of phase wire has its phase flipped, your original signal is now in phase on both legs, and the noise is 180° out of phase with itself, and thus is canceled out.
nor impedance matched
to the Griffin iMic.
The impedance is not a problem here. As I understand it, the headphone-out is High Impedance, and so is the iMic's In.
(I'm using a 1/4" to 2.5 mm
converter cable). I am possibly getting radio
interference (I DID get a local radio station when I
touched the plug right!!) and degrading the signal
because of these two issues.
Possible. A Low quality cable and or adaptor could offer an entry point for noise.
2) It may be necessary to put the signal from my
keyboard's headphone jack into a DI (direct box) to
get impedance matched to mixer levels - the levels I
assume the Griffin iMic expects.
No, this shouldn't be true. A headphone-out is actually much hotter than a Line-In, so the level should be able to offer more than enough signal, and the impedance is matched.
3) I'm HOPING that a high quality audio-to-USB (or
firewire) input box can perform the job of the direct
box.
It could, but the weak point I see is that you're stuck using a headphone-out instead of a Line-Out. I don't think a DI box is going to help any in comparison.
Hmmm, I just glanced at your computer list. Doesn't the iMac have a Line-In jack? Have you tried skipping the iMic and going straight into the iMac?
Finally, if anyone can give me the list of equipment
in order from a keyboard to Garageband
I think it could be Keyboard -> Mac
Other combinations would just be sticking an interface between the two (Keyboard->interface->Mac)

Keyboard freaks out by Wacom tablet

I have, since six months, a Wacom tablet (Intous 3 with USB-connection) connected to my iMac. Everything has worked fine until now: When the tablet is connected, my keyboard freaks out and generates only strange signs (I don't know the name of the keyboard layout, but it includes a lot of mathematical symbols, an apple-logo, etc.). If I disconnect the tablet and restarts - the keyboard is as it should be again.
I have updated the wacom-driver. This didn't help.
Any ideas?

enmanneleu wrote:
Charles Minow wrote:
One more thing I didn't think of before: what kind of keyboard do you have?
An apple keyboard. The new thin one with wire.
I have now tried the tablet on another computer (PC) and it worked but the LED on it flickered. Maybe because it did not get power enough? But I don't understand how this affects the keyboard?
Because the tablet and keyboard are both USB devices, there are certain things they share in common. Both are electrical devices connected to the same bus on the computer. And there would be a certain amount of commonality between their data paths once the electrical signals reach the computer. When you push a key on your keyboard, it sends an electrical signal to the computer that Mac OS X interprets as a key press. The tablet also sends electrical information to the computer, it's just interpreted differently by the computer.
This is a vastly oversimplified explanation, but suppose the keyboard sends its signals to the computer and identifies itself as USB device 1 and the tablet identifies itself as USB device 2. But the actual content of the signals each sends is pretty much the same, just data that represents a series of numbers. It's really important, then, for OS X to be able to distinguish between them, because the signal from the keyboard for pressing the letter "a" might be the same as the signal from the tablet when you click at a pixel 20 in from the left and 67 in from the top, with a pressure of 50%.
So, how would OS X be confused between the keyboard and tablet? It could happen for an electrical reason. For example, only part of the data from the tablet or keyboard gets to the computer, but enough that OS X can at least try to interpret it. Or, once the data gets from the tablet or keyboard, the software that listens to the USB devices tells OS X the wrong thing about the information it received. Each USB device has an associated driver that interprets the signals from that device and tells OS X what to do. There could be a bug in a driver that would take the signal from Device 2 (the tablet) and assume it came from Device 1 (keyboard), and then send OS X the wrong information. But I think it's less likely to be a keyboard driver bug if you use the default Apple driver, which you'd use with one of their keyboards.
The LED on the tablet flickering makes it sound like a problem in the tablet itself or with its USB cable, and not a problem with the software on your Mac. If you know someone else with a tablet who could let you borrow theirs for a short time, that would also be helpful. If their tablet works, and doesn't interfere with the keyboard, then you know it's more likely to be the tablet itself and not your computer.
One other thing is to move the keyboard and tablet to different USB ports on your iMac. I think you have four to choose from, right? Perhaps there's something wrong with one of the ports on the computer, a bent pin or maybe a piece of dust that's causing a connection not to be made.
charlie

Why does my HP LaserJet 4 Plus put out blank page after print page?

why does my laser Jet 4 Plus put out a blank sheet after every print page

This sounds like an issue that could result from having A4 sized paper but having the printer settings set for A size. Please check the paper settings.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
If my answer was helpful please click the "Thumbs Up" to say "Thank You"--V

Keyboard putting out symbols not letters.

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