WRT110 Can't connect MAC and PC to wireless network at the same time.

I installed a WRT110 router on my son-in-law's MAC sometime back and at the time configured it to have the MAC connected via Ethernet. My PC laptop worked fine with it in the wireless mode. Recently we changed the MAC to wireless newtworking and removed the Ehthernet connection. Now if the MAC connects to the wireless network first and then I attempt to connect with my PC laptop the PC cannot find the network and the MAC loses connection. If I shut my PC down the MAC will not find the network until it is put to sleep and reawakened. If the MAC is put to sleep my PC wil immediately find the network. If I first connect my PC and then awaken the MAC both work fine. I've checked all of the router's setup settings and they seem to be OK. I am not MAC savvy and my son-in-law is a neophyte at computers so we are really helpless when something doesn't work. Help will be appreciated.

I tried this setup change after reading another similar post. It didn't help. One thing I had wrong in the first post is that neither computer will connect to the wireless net after we experience the wireless failures until both are turned off, at least that is what happened after making the suggested changes. Is this a WRT110 issue? Seems there are quite a few posts similar to mine.
Bo2

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Regards.
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**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

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Sorry to say that what you want to do is not possible,
Say "Thanks" by clicking the Kudos Star in the post that helped you.
Although I work for HP my posts and replies are my own
Please mark the post that solves your problem as "Accepted Solution"

Can't a BufferedReader and a BufferedWriter be open at the same time?

To the experienced:
I am writing a class to selectively extract data from an Excel file, and write out to a plain text file. I am using JDeveloper 11.1.1.3.
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Newman
<pre>
private static void showExcelData(List sheetData, String outputFilename) throws IOException {
BufferedWriter out = new BufferedWriter(new FileWriter(outputFilename));
System.out.println("Is out null? " + (out == null));
BufferedReader in = null;
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List list = (List)sheetData.get(i);
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HSSFCell cell = (HSSFCell)list.get(j);
if (j == 5 || j == 6 || j == 7 || j == 11) {

// The column with index 11 is the column of data that needs conversion:
if (j == 11) {
String convertionFilename = "ConversionTable.txt";
Map<String, String> liveMap =
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try {
in = new BufferedReader(new FileReader(convertionFilename));
String line = null;
while ((line = in.readLine()) != null) {
String[] keyValue = line.split(" ");
liveMap.put(keyValue[0], keyValue[1]);
} catch (IOException e) {
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String titleCode =
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out.write(role);
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} else {
out.write(cell.getRichStringCellValue().toString().toUpperCase());
System.out.println(cell.getRichStringCellValue().toString().toUpperCase());
}
if (j < list.size() - 1 && j != 11) {
out.write(":");
} else if (j == 26) {
if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
if (DateUtil.isCellDateFormatted(cell)) {
Calendar cellDate = Calendar.getInstance();
cellDate.setTimeInMillis(cell.getDateCellValue().getTime());
String year = "" + cellDate.get(Calendar.YEAR);
String month =
padding(cellDate.get(Calendar.MONTH) + 1);
String day =
padding(cellDate.get(Calendar.DAY_OF_MONTH));
String expDate = year + month + day;
out.write(":" + expDate);
out.write(System.getProperty("line.separator"));
if (in != null) in.close();
if (out != null) out.close();
</pre>

Hi, All,
This posting is at the bottom of the stack. Quite a few more postings were added on top of this and solved, and now I reach back to this one.
The main problems are:
1. Close the I/O buffer after finishing using it. Otherwise the data in the buffer do not get flushed to the file on the disk. I think that is the cause of the problem of getting zero sized output file.
2. Do not count on Excel to stop at a blank cell by using Ctrl-down / Ctrl-up. The file I am processing is produced by some reporting program which, I think, instead of skipping the cell, puts a zero-sized string in it. Obviously, Excel does not stop at such cells. I had checked the columns using the Ctrl-down/Ctrl-up key and through that column did not have blank cells. Sharp-eyed gimbal2 spotted the problem, and led me to re-inspect the column by using up/down arrow keys instead, and found the blank cells. Such empty strings are used in my code as key in searching the map (String role = liveMap.get(titleCode).toUpperCase();) and caused the problem.
And the lesson is, when doing some quick and dirty tests, do not get too quick and too dirty, which can end up slower rather than faster.
Many thank to all of you for giving me the helping hand!
Newman

Problems connecting 2 computers to wireless network at the same time

Switched to Mac 2 weeks ago and will never go back!!!!!
Having a slight problem with my home wireless network.. I am running Leopard 10.5.1 and my wife has Vista... For some reason we cannot connect to our wireless network unless one of the other computers is on and connected.. Example: I just opened my Macbook and it showed that I was connected.. However, I could not get any access to the internet without first turning my wifes computer on and connecting.. The same happens when my wife tries to get online.. Her laptop will not connect unless mine is connected first.. It is rather strange.. The last one on the internet is the only one with access unless the other computer is connected.. I am not sure if this is a problem with the router or a compatibility issue with Microsoft and Apple.. If anyone could help it would be highly appreciated as it is quite frustrating that when I want to connect to our network I must connect my wifes computer first.. and vice versa for her.. Can anyone help? We use a Belkin wireless router...

For $50 or so you could get a Linksys WRT54G and not have the headaches. It cannot be an issue with the computers so by default it is the router. Get a better one.
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Don't forgot to say thanks by giving "Kudos" to those that help solve your problems.
When a solution is found please mark the post that solves your issue.

I am using several Macs running Yosemite. I was recently "upgraded" to Xfinity's new cable modem which can support both 2.5Ghz and 5Ghz networks at the same time. Actually I can connect to the internet over both with a satisfactory bump in speed for

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Press CMD 4 then Scan
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WRT110 Can't connect MAC and PC to wireless network at the same time.

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