Questions about optimizing your computer to take up less boot time, application launch time, download time, etc.

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2
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1answer
2k views

What speed are Wi-Fi management and control frames sent at?

There are a bunch of different 802.11 Wi-Fi standards, e.g. 802.11a, 802.11b, 802.11g, 802.11n etc. that all support different speeds. Wi-Fi frames are generally categorised as one of the following: ...
0
votes
1answer
229 views

Does laptop speed increase with 1 more GB of RAM? [closed]

Hey I have a HP Pavilion DV6500 laptop running windows vista. It only has 2 sticks of 512Mb which is only 1 GB. I am wondering how much faster will it be if I swap those for 2 sticks of 1GB each?
0
votes
2answers
149 views

Computer starts up slower even though I checked which programs are launched [duplicate]

Possible Duplicate: How to diagnose slow booting or logon in Windows 7? When I log into my computer it takes longer for all the background programs to finish loading than it used to. I ...
1
vote
2answers
1k views

Very slow computer; strange console messages

I have an iMac running OS X and since yesterday my processor has been working hard for no particular reason. The computer hangs for a few minutes, then I can work again, then it hangs, etc. Here are ...
0
votes
2answers
436 views

How are advertised internet speeds calculated? [closed]

I've always found that the real speed of internet service never comes close to what is advertised. For example, I'm currently using the basic plan from Time Warner Cable in North Carolina, which ...
1
vote
2answers
425 views

HDD is very slow after voltage drop

The HDD is Seagate Barracuda 7200.7 160 Gbytes Model ST3160023A. Of course it is not SATA. I once connected it to the USB via special adapter IDE-to-USB, and a separate power unit. The voltage drop ...
0
votes
7answers
48k views

my file download speed is 180-200kbps but speedtest is showing 1.7mbps and i am subsribed to 2mbps pack?

i'm from Malaysia. I am subscribed to 2mbps pack from my country's ISP. But all i get is only 200kbps when download files from the internet, when i test my speed on speedtest.com , it shows me ...
7
votes
3answers
12k views

Does it make sense to put your operating system on a SD card?

A friend suggested putting the whole operating system on a SD card, arguing that access time delays where much shorter than a regular hard drive, which needs to spin up first. Wikipedia, however, ...
5
votes
3answers
411 views

Why is linux boot sequence in sh and not in c

I have an embedded device which runs linux. I'm trying to speed up the boot sequence. Would rewriting large parts of the boot sequence in C speed up a lot? for example I have a lot of scripts which ...
3
votes
1answer
763 views

When caps lock is pressed, space bar returns underscore

Basically, what I'm looking for is: when CapsLock is on I want Space to return _ and I want Shift + Space to return . Detail: This is kind of a continuation of this question I asked about the ...
9
votes
1answer
1k views

Remapping SHIFT + SPACE to an underscore (_)

I found this question and was so excited when I found out I could remap my whole keyboard with a really simple Microsoft product called Keyboard Layout Creator. My problem: Keyboard Layout Creator ...
1
vote
2answers
224 views

Why is ADSL speed dependent on location? [closed]

Why does my ADSL connection only reach 1Mbps when my neighbours just a few blocks away reach 3Mbps with the same provider? Someone suggested that it's likely that the local exchange is ...
1
vote
3answers
2k views

Why is downloading over USB so slow?

Why does downloading to flash memory over USB seem to be disastrously slower than to the hard drive? I was downloading a file from rapidshare.com using the Firefox addon DownThemAll. First I tried ...
1
vote
2answers
903 views

How to detect if a hard drive is in PIO or DMA from command-line, or programmatically?

I work for a company that has many machines around the world in the possession of customers that we need to get continuous diagnostics from. One of the issues is occasionally the hard drives of ...
0
votes
0answers
435 views

Ubuntu, Cable modem via USB, limited speed?

At first sorry for my english, I hope you will understand me. I have a Ubuntu 11.04 box. There is a cable modem (motorola sbg900) plugged in via USB. My bandwidth should be 8mbit download and 0,7mbit ...
0
votes
1answer
827 views

gigabit vs T100 router internet speed

i understand that data send/receive among networked computers would be faster on a gigabit router but would there be a speed increase for internet connection? would it make a difference for a program ...
1
vote
1answer
505 views

Vertex 2 SSD is running faster than my Vertex 3 SSD?

I used Acronis Disk Director to do a direct clone of my C:\ windows 7 x64 drive from my Vertex 2 to my new Vertex 3 SSD (Just to show the drive software winstall everything is identical.) I ran a ...
0
votes
2answers
156 views

Micro SDHC class 10 + adapter

I have bought a micro sdhc 32gb class 10 but my camera only accept std sd card, so i would like to know if the adapter will keep the same speed of the card, or there is some kind of class too. Thanks ...
2
votes
1answer
361 views

To speed up firefox, is disabling unwanted add-ons enough or should I remove them completely? [duplicate]

Possible Duplicate: Do disabled Firefox extensions make Firefox slower? In case 'it depends on the type of extension': Ones in my disabled list include DownThemAll, DownloadHelper, DivX ...
6
votes
4answers
3k views

Possible cause(s) of slow transfer on home network?

I have the following home network setup: ZyXEL P-2602HW-D1A Router Ubuntu 10.04 Server: Ethernet card 100Mbps, directly connected to router Configured with SFTP server Windows XP Professional SP3: ...
2
votes
1answer
4k views

How can I make wireless transfers faster on a Linksys WRT54G running DD-WRT?

I have a Linksys WRT54G plugged into the cable modem, and a 2nd wireless router, an old D-Link plugged into that. Both wireless routers work, but if I connect wirelessly to the Linksys router I get ...
0
votes
1answer
361 views

WLAN N connection not full speed, W7

Well i have a problem, im not sure what to do, i have 65mbps connection , and i connect to my PC with WLAN N , with a dual band Linksys wireless N, my internet router that my ISP gave me to me is ...
1
vote
1answer
802 views

Speed-up uTorrent when PC is idle?

Is it possible that uTorrent will use its max speed when there is no other internet activity in the PC? For example, if I'm using Firefox, uTorrent should be limited or have low priority for internet ...
0
votes
2answers
280 views

RAM: 1333 4x4GB cas7 vs 1333 2x8gb cas9

Reading around, i know that the cas7 1333s will time faster of course... however, when more ram stix are involved, there may be a delay in read times. Can someone explain which setup would end up ...
2
votes
1answer
5k views

Which is faster/easier, SFTP or FTP + VPN? [closed]

I'm involved in a data warehousing project for which our clients need to be able to upload large files to our server. Our main concern is speed, since we're expecting to get several TB worth of data ...
0
votes
3answers
1k views

What does MB/s stand for in HDD access speed?

In relation to the hard drive access speed, what does MB/s stand for -- is it Mega Bit per second or Mega Bytes per second?
0
votes
0answers
536 views

Internet download speed is lower than usual but surfing speed is fine

I have a 512 kbps connection. I should receive approx 60 kBps download speed. But from last 2-3 days I am getting only 20 kBps of download speed. But I don't see any difference in speed while ...
2
votes
2answers
2k views

Single spots of slow harddisk performance, but no bad sectors?

I use a Samsung 1.5TB harddisk (EcoGreen F2) and recently tidied up quite a lot. So 500GB is written, the rest is free. Now when I am copying some huge files (gigabyte sized), the harddisk shows full ...
1
vote
2answers
251 views

Possible for a modem to all of the sudden have degraded speed?

I'm on the phone with Charter (cable company) about how overnight my network speed went from 30 Mbps to 2 Mbps and this support person swears it's because my modem doesn't support 30 Mbps. I say ...
1
vote
0answers
2k views

Why does Dropbox upload at only 1/10th of my internet upload speed? [duplicate]

Possible Duplicate: Is it me, or is Dropbox really slow? I have just purchased 50g of storage and am transfering files to go roaming. My internet speed shows as 860kb/sec on a speed test ...
3
votes
2answers
255 views

Firefox location autocomplete without “Down” key (then enter)

Here is the situation : I type for instance "f" : Then I should press the "Down" : And finally press "Enter" to go to the website. Instead, in Chrome, I have just to type "f" : Then Enter and ...
2
votes
1answer
812 views

After upgrading Lenovo 3000 N200 Intel T2330 to T9500 CPU Fan stays on High Always

After upgrading Lenovo 3000 N200 Intel T2330 to T9500 CPU Fan stays on High Always. Running a dual Boot with Windows XP & 7. Stays high on both never decreases & CPU not hot, why & how do ...
3
votes
4answers
2k views

Is it a good idea to tweak the hosts file to speed up internet browsing?

Yesterday I came across a Firefox extension called Speed DNS which claims to speed up browsing by performing DNS lookups in advance. According to the author, it "does DNS pre-resolution of all the ...
1
vote
0answers
43 views

Monitor disk activity, á la top, or nettop (per process) on a Mac? [duplicate]

Possible Duplicate: What's causing all the disk activity on OS X? I find that disk I/O is the single biggest cause of slowdowns on modern computers.. and find "Activity Monitor"'s "Disk ...
0
votes
2answers
2k views

Why is net much slower if computer is plugged in it via a wireless router?

I have a computer which is plugged directly in the net via the ADSL modem provided by the ISP. Sometimes there is need to connect other computers on the net. Then I add a TP-LINK wireless router to ...
12
votes
4answers
22k views

Why has my Mac become so slow? (And how do I start to answer that?)

Over the past few months, many things on my MacBook Pro have become unbearably slow. Often application switching or opening a new tab in Chrome will take up to 10 or 15 seconds. Obviously, no one ...
2
votes
2answers
229 views

Why would network traffic on one computer affect the speed of another?

I have two computers on my network - a desktop and a laptop. Both are hardwired to my router. Yesterday I started a 500MB Windows update on my laptop. My desktop was suddenly very unresponsive: the ...
3
votes
1answer
4k views

DDR3 1333Mhz Ram PC3-10600 vs PC3-10660 performance difference [closed]

I've looked around and I'm unable to find a any real idea of how much performance difference that there is. The timings are the same as the RAM that is in my laptop but I wanted to expand it to 16GB ...
2
votes
7answers
10k views

Is there a easy way to calculate time for data transfer?

Are there any sites or easy methods of finding out it would take for file transfer over different speed links? For example, I need to find out how long it would take to download/transfer file of 75G ...
1
vote
1answer
486 views

Are there pitfalls to using incompatible RAM (frequencies) in motherboards? [duplicate]

Possible Duplicate: Is it safe using RAMs with different Frequencies I'd like to use 2 x 4GB DDR3 1600 dimms in a motherboard capable of only DDR3 1066. The DDR3 1600 is on sale and the ...
-2
votes
1answer
2k views

why are AMD CPU's generally slower then comparable intel CPU's, despite being clocked higher? [closed]

Generally, AMD processors are slower then comparable Intel procesors, despite being clocked higher. A friends intel i7 is clocked at 3.2GHz, my AMD phenom is clocked at 3.4GHz. Both are quad cores, ...
34
votes
4answers
3k views

Why do HDDs mostly have the same speed as 5400, 7200, 10000 RPM?

Why do hard disk drives mostly have the same speed? They are mostly 5400, 7200, 10000 RPM. Why not 6000 or 8000? Is there any reason or benefit for having those speeds?
3
votes
2answers
401 views

How to run the CPU at something like 75%?

My notebook is too old for me to invest into a new fan (it will simply be replaced by a new one when the final heat death occurs), but when it runs on full speed I feel like sitting in front of a ...
2
votes
2answers
1k views

How does Intel Turbo Memory work?

I am thinking about spending the money on the 8GB Intel Turbo Memory for my Thinkpad. The only thing is I am not really sure what the turbo memory does. Is it for speeding up the boot or does it speed ...
1
vote
3answers
5k views

Why is my computer taking so long to copy from one drive to another?

I have two disk drives in my computer of about 120GB each. The 'C' drive has about 50Gb of data and the other drive (E) is almost empty. When I try and copy a large directory (65gb) from the 'C' drive ...
2
votes
1answer
1k views

Slow USB3 under Linux

I have a problem with the speed of USB 3.0 under Linux. I'm testing with the following parts: "NEC Corporation uPD720200 USB 3.0 Host Controller" (pcie) "Pretec 240" USB 3.0 Card-Reader Sandisk ...
4
votes
1answer
2k views

How can I measure the speed of a network drive mounted on Windows 7?

Are there any tools to measure the speed of a network drive mounted on Windows 7? I found a tool called HD Tach but it's not compatible with Windows 7, and it does not look like it can measure ...
0
votes
0answers
1k views

How to persistently configure port speed / duplex on a Billion 7800[n] router?

I have been struggling for a while with port speed / duplex mismatches between a Billion 7800 and Cisco 2924. The basic problem with the Billion is that neither the web interface nor the available ...
3
votes
2answers
2k views

SATA III SSD drive on IDE controller - Runs in UDMA 6 is OK but slow transfers 80MB/s - expect 133MB/s

I have bought a OCZ Agility 3 SSD drive to build into my ASUS laptop. Because the drive is a SATA (III) drive and the laptop has only IDE connectors, i use a Fevi/Apple Second drive Caddy to put it ...
-1
votes
2answers
659 views

how can I improve WI-FI speed? [duplicate]

Possible Duplicate: How can I speed up data transfer between local computers on a WiFi network? My question is similar to this: How can I speed up data transfer between local computers on a ...